European technical approval ETA-12/0601 · threaded steel bar of prestressing steel according to prEN 10138-45. The continuous thread is provided by ribs, hot rolled along the entire

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

European technical approval ETA-12/0601English translation, the original version is in German

Handelsbezeichnung Fels- und Bodenanker System SAS mit Gewindestäben aus Spannstahl Y1050H, Durchmesser 17,5 bis 47 mm

Trade name Rock and soil anchor system SAS with prestressing steel thread bars Y1050H, diameter 17.5 to 47 mm

Zulassungsinhaber

Holder of approval

Stahlwerk Annahütte Max Aicher GmbH & Co. KG 83404 Ainring-Hammerau Deutschland

Zulassungsgegenstand und Verwendungszweck

Bausatz für Fels- und Bodenanker – Bausatz mit Gewindestäben

Generic type and use of construction product

Kit for rock and soil anchors – Kit with thread bars

Geltungsdauer vom

Validity from

12.06.2013

bis zum

to

11.06.2018

Herstellwerk

Manufacturing plant

Stahlwerk Annahütte Max Aicher GmbH & Co. KG 83404 Ainring-Hammerau Deutschland

Diese Europäische technische Zulassung umfasst

36 Seiten einschließlich 19 Anhängen

This European technical approval contains

36 Pages including 19 Annexes

of European technical approval ETA-12/0601 Validity from 12.06.2013 to 11.06.2018

OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

Table of contents EUROPEAN TECHNICAL APPROVAL ETA-12/0601 ...................................................................................... 1 TABLE OF CONTENTS .................................................................................................................................... 2 I LEGAL BASES AND GENERAL CONDITIONS ........................................................................................... 4 II SPECIFIC CONDITIONS OF THE EUROPEAN TECHNICAL APPROVAL......................................................... 5 1 DEFINITION OF PRODUCT AND INTENDED USE ....................................................................................... 5 1.1 Definition of product .......................................................................................................................... 5 1.2 Intended use...................................................................................................................................... 6 2 CHARACTERISTICS OF THE PRODUCT AND METHODS OF VERIFICATION .................................................. 7 2.1 Characteristics of product.................................................................................................................. 7

2.1.1 General .................................................................................................................................... 7 2.1.2 Components............................................................................................................................. 7 2.1.2.1 Load-bearing element, thread bar in prestressing steel........................................................... 7 2.1.2.2 Coupler .................................................................................................................................... 7 2.1.2.3 Anchor head............................................................................................................................. 7 2.1.2.4 Load transfer to the structure ................................................................................................... 8 2.1.2.5 Tendon, grout body.................................................................................................................. 8 2.1.3 Corrosion protection systems................................................................................................... 9 2.1.3.1 General .................................................................................................................................... 9 2.1.3.2 Temporary anchors with a working life of up to 2 years........................................................... 9 2.1.3.3 Semi-permanent anchors with a working life of up to 7 years.................................................. 9 2.1.3.4 Permanent anchor with corrosion protection according to EN 1537 ...................................... 10

2.2 Dangerous substances.................................................................................................................... 10 2.3 Methods of verification .................................................................................................................... 11 2.4 Identification .................................................................................................................................... 11 3 EVALUATION OF CONFORMITY AND CE MARKING ................................................................................ 11 3.1 Attestation of conformity system ..................................................................................................... 11 3.2 Responsibilities ............................................................................................................................... 12

3.2.1 Tasks for the manufacturer .................................................................................................... 12 3.2.1.1 Factory production control...................................................................................................... 12 3.2.1.2 Other tasks for the manufacturer ........................................................................................... 12 3.2.2 Tasks of the approved body................................................................................................... 13 3.2.2.1 General .................................................................................................................................. 13 3.2.2.2 Initial type testing of the products........................................................................................... 13 3.2.2.3 Initial inspection of factory and of factory production control ................................................. 13 3.2.2.4 Continuous surveillance......................................................................................................... 13 3.2.2.5 Audit testing of samples taken at the factory ......................................................................... 13

3.3 CE marking...................................................................................................................................... 13 4 ASSUMPTIONS UNDER WHICH THE FITNESS OF THE PRODUCT FOR THE INTENDED USE WAS

FAVOURABLY ASSESSED.................................................................................................................... 14 4.1 Manufacturing.................................................................................................................................. 14 4.2 Installation of the product ................................................................................................................ 14

4.2.1 General .................................................................................................................................. 14 4.2.2 Installation.............................................................................................................................. 14 4.2.2.1 General .................................................................................................................................. 14 4.2.2.2 Temporary anchor, see Annex 1............................................................................................ 15 4.2.2.3 Semi-permanent anchor, see Annex 2................................................................................... 15 4.2.2.4 Permanent anchor according to EN 1537, see Annex 3 ........................................................ 15


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

4.3 Design of the rock and soil anchor system...................................................................................... 15 4.4 Use, maintenance and repair .......................................................................................................... 17 5 RECOMMENDATIONS FOR THE MANUFACTURER .................................................................................. 17 5.1 Recommendations for packing, transport and storage.................................................................... 17 5.2 Recommendations on installation ................................................................................................... 17 5.3 Accompanying information .............................................................................................................. 17 ANNEXES................................................................................................................................................... 18 ANNEX 1 TEMPORARY ANCHOR .............................................................................................................. 18 ANNEX 2 SEMI-PERMANENT ANCHOR ...................................................................................................... 19 ANNEX 3 PERMANENT ANCHOR............................................................................................................... 20 ANNEX 4 COUPLING SPLICES .................................................................................................................. 21 ANNEX 5 PROOF LOADS AND LOCK-OFF LOAD OF THE ANCHOR ACCORDING TO EN 1537 .......................... 22 ANNEX 6 CENTRE SPACING AND EDGE DISTANCE OF THE ANCHOR SYSTEM............................................... 23 ANNEX 7 PRESTRESSING STEEL THREAD BAR – NOMINAL DIMENSIONS AND MASS, RIB GEOMETRY ............ 24 ANNEX 8 PRESTRESSING STEEL THREAD BAR – MECHANICAL TECHNOLOGICAL CHARACTERISTICS............ 25 ANNEX 9 ACCESSORIES – DOMED NUT, SQUARE ANCHOR PLATE, WELDED STEEL TUBE ............................ 26 ANNEX 10 ACCESSORIES – COUPLER WITH SET SCREWS, LOAD TRANSFER PLATES.................................... 27 ANNEX 11 ACCESSORIES – ANGLE COMPENSATION TUBE, HEAT SHRINKING SLEEVE, COUPLER TUBE .......... 28 ANNEX 12 ACCESSORIES – STEEL CAP, CORROSION PROTECTION GREASE, COATING, AND TAPE ................ 29 ANNEX 13 ACCESSORIES – PLASTIC CAP WITH SCREW SOCKET ................................................................. 30 ANNEX 14 ACCESSORIES – CORRUGATED SHEATHING, SMOOTH SHEATHING.............................................. 31 ANNEX 15 ACCESSORIES – BASKET SPACER, PROFILE RING, SEALING RING ............................................... 32 ANNEX 16 ACCESSORIES – INNER SPACER, MAT SPACER, INJECTION CAP AND END CAP ............................. 33 ANNEX 17 MATERIALS.............................................................................................................................. 34 ANNEX 18 REFERENCE DOCUMENTS......................................................................................................... 35 ANNEX 19 REFERENCE DOCUMENTS......................................................................................................... 36


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

I LEGAL BASES AND GENERAL CONDITIONS

1 This European technical approval is issued by Österreichisches Institut für Bautechnik in accordance with:

1. Council Directive 89/106/EEC of 21 December 1988 on the approximation of laws, regulations and administrative provisions of Member States relating to construction products1 – Construction Products Directive (CPD) –, amended by the Council Directive 93/68/EEC of 22 July 19932, and Regulation (EC) 1882/2003 of the European Parliament and of the Council of 29 September 20033

2. dem Salzburger Bauproduktegesetz, LGBl. Nr. 11/1995, in der Fassung LGBl. Nr. 47/1995, LGBl. Nr. 63/1995, LGBl. Nr. 123/1995, LGBl. Nr. 46/2001, LGBl. Nr. 73/2001, LGBl. Nr. 99/2001 und LGBl. Nr. 20/2010

the Salzburg Construction Product Regulation LGBl. № 11/1995, amended by LGBl. № 47/1995, LGBl. № 63/1995, LGBl. № 123/1995, LGBl. № 46/2001, LGBl. № 73/2001, LGBl. № 99/2001, and LGBl. № 20/2010

3. Common Procedural Rules for Requesting, Preparing and the Granting of European technical approvals set out in the Annex of Commission Decision 94/23/EC4

2 Österreichisches Institut für Bautechnik is authorised to check whether the provisions of this European technical approval are met. Checking may take place in the manufacturing plant. Nevertheless, the responsibility for the conformity of the products to the European technical approval and for their fitness for the intended use remains with the holder of the European technical approval.

3 This European technical approval is not to be transferred to manufacturers or agents of manufacturers other than those indicated on Page 1, or manufacturing plants other than those indicated on Page 1 of this European technical approval.

4 This European technical approval may be withdrawn by Österreichisches Institut für Bautechnik, in particular pursuant to information by the Commission according to Article 5 (1) of Council Directive 89/106/EEC.

5 Reproduction of this European technical approval including transmission by electronic means shall be in full. However, partial reproduction may be made with the written consent of Österreichisches Institut für Bautechnik. In this case partial reproduction has to be designated as such. Texts and drawings of advertising brochures shall not contradict or misuse the European technical approval.

6 The European technical approval is issued by the Approval Body in its official language. This version corresponds to the version circulated within EOTA. Translations into other languages have to be designated as such.

1 Official Journal of the European Communities № L 40, 11.02.1989, page 12 2 Official Journal of the European Communities № L 220, 30.08.1993, page 1 3 Official Journal of the European Union № L 284, 31.10.2003, page 1 4 Official Journal of the European Communities № L 17, 20.01.1994, page 34


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

II SPECIFIC CONDITIONS OF THE EUROPEAN TECHNICAL APPROVAL

1 Definition of product and intended use 1.1 Definition of product

The European technical approval (ETA) applies to a kit, the

Rock and soil anchor system SAS with prestressing steel thread bar Y1050H,

diameter 17.5 to 47 mm, comprising the following components.

− Tendon, load-bearing element

The tendon of the rock and soil anchor is one single load-bearing element, a continuously threaded steel bar of prestressing steel according to prEN 10138-45. The continuous thread is provided by ribs, hot rolled along the entire length of the bar – thread bar. Due to the continuous thread the individual thread bars can be anchored at any given point and coupled at any given point to obtain the required tendon length.

Nominal diameters and strength characteristics of the thread bar are given in Table 1.

Table 1: Nominal diameters and strength characteristics of the thread bar

Nominal diameter Nominal yield strength Nominal tensile

strength

∅ Rp0.1 Rm

mm N/mm2 N/mm2

17.5, 26.5, 32, 36, 40, 47 950 1 050

NOTE 1 MPa = 1 N/mm2

− Anchor head

The anchor head consists of a domed nut and a square anchor plate. A steel tube is tightly welded on the anchor plate as part of the corrosion protection system.

− Coupler

The thread bars are connected using steel couplers that are secured against unscrewing.

− Corrosion protection system

− Temporary rock and soil anchors with a working life of up to 2 years are protected against corrosion by a cement grout cover of ≥ 10 mm in the fixed anchor length and a smooth sheathing in the free anchor length, see Annex 1 and Clause 2.1.3.2.

− Semi-permanent rock and soil anchors, in comparison to temporary rock and soil anchors with an extended working life of up to 7 years, are protected against corrosion by a cement grout cover of ≥ 10 mm in the fixed anchor length. In the free anchor length the tendon is provided with a corrosion protection coating and a smooth sheathing. At the anchor head a corrosion protection is applied on the thread bar and the nut and a cap is connected to the

5 Standards, guidelines and other documents referred to in the European technical approval are listed in the Annexes 18 and

19.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

anchor plate. In Annex 2 the semi-permanent anchor is shown and in Clause 2.1.3.3 further details are given.

− Permanent rock and soil anchors are protected against corrosion according to EN 1537 by encapsulation with a corrugated sheathing covering the tendon in the free and fixed anchor length. The annual void between thread bar and sheathing is filled with cement grout. A smooth sheathing is slipped over the encapsulated thread bar in the free anchor length. The void at the anchor head is filled with a corrosion protection material and a cap filled with corrosion protection material is connected to the anchor plate. In Annex 3 the permanent anchor is shown and in Clause 2.1.3.4 further details are given.

The tendon of the rock and soil anchor, i.e. thread bars if required connected with couplers and provided with corrosion protection according to the intended working life, is centrically installed into a pre-drilled borehole, grouted, tensioned and the final corrosion protection applied.

Further details are given below and in the Annexes.

1.2 Intended use Rock and soil anchors are intended to stabilise the construction ground by passive reinforcement or by active introduction of prestressing forces according to the principles for the execution of geotechnical works. Construction ground refers to both rock and soil.

The principles for the application and installation of temporary and permanent rock and soil anchors are defined in EN 1537 that includes comprehensive information and data on site investigation, construction materials and construction products, design considerations, installation and execution as well as testing, supervision and monitoring.

Special emphasis is placed on the following aspects:

− The works with the rock and soil anchors shall be designed as to form a redundant structure according to EN 1990. The rock and soil anchor shall be subjected to axial loading only. Structures with only one rock and soil anchor shall not be executed.

− The connection rock and soil anchor to the structure shall be designed according to EN 1992-1-1 for transmission from the tendon to the structure via the anchor head. Placing of additional reinforcement according to Annex 6, if required, and punching shall be considered.

− According to the local conditions bursting out of the tendon in case of a bar failure shall be prevented.

The working life of the rock and soil anchor is defined for the following applications.

− Temporary rock and soil anchors for a working life of up to 2 years.

− Semi-permanent rock and soil anchors for a working life of up to 7 years.

− Permanent rock and soil anchors with corrosion protection according to EN 1537 for a working life of up to 100 years.

The provisions made in the European technical approval are based on an assumed working life of the rock and soil anchors of up to 2 years for temporary anchors, of up to 7 years for semi-permanent anchors, and of up to 100 years for permanent anchors, dependent on the ground conditions, if they are installed into the structure in accordance with the standards and regulations in force at the place of use. The indications given on the working life cannot be interpreted as a guarantee given by the manufacturer or the Approval Body, but are to be regarded only as a means for selecting the appropriate product in relation to the expected, economically reasonable working life of the construction works.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

2 Characteristics of the product and methods of verification 2.1 Characteristics of product 2.1.1 General

The components of the rock and soil anchor system SAS as well as the assembled system correspond to the drawings shown in the Annexes of the European technical approval. In Annex 17 information on the materials of the components are listed. The material characteristics, dimensions and tolerances of the components not given in the Annexes shall correspond to the respective data specified in the technical documentation6 of the European technical approval.

2.1.2 Components

2.1.2.1 Load-bearing element, thread bar in prestressing steel

The load-bearing element is a hot rolled, in-line heat treated, stretched and tempered prestressing steel bar Y1050H with a continuous right-hand thread – thread bar.

The most important characteristics are

− Nominal diameter ............................... 17.5, 26.5, 32, 36, 40, and 47 mm

− Characteristic yield strength............... Rp0.1 = 950 N/mm2

− Characteristic tensile strength............ Rm = 1 050 N/mm2

− Elongation at maximum force............. Agt ≥ 5 %

The characteristics of the thread bar are defined according to the requirements for prestressing steel as per prEN 10138-4 and listed in the Annexes 7 and 8. Testing is performed according to EN ISO 15630-3.

The thread bar is in particular suitable for geotechnical applications. The thread bar shall not be welded or bent. Welding or bending, however, is not required according to the intended use of the thread bar as load-bearing element in rock and soil anchors.

2.1.2.2 Coupler

The load-bearing elements, thread bars, can be connected with couplers. The couplers shall be secured against unscrewing with heat shrinking sleeve or screws. Different versions of coupler installations are shown in Annex 4 and the dimensions of the couplers in Annex 10.

The installed coupler shall not impede the free elongation of the tendon.

2.1.2.3 Anchor head

The anchor head consists of a domed nut and a square anchor plate, see Annex 9. As part of the corrosion protection system a steel tube is tightly welded on the anchor plate providing a sealing against the sheathing of the free anchor length. In addition, rock and soil anchors with a working life of > 2 years shall be provided with a steel or plastic end cap and the voids in the area of the anchor head shall be filled with corrosion protection compound.

A larger angle deviation may be achieved using an angle compensation tube, see Annex 11.

Boreholes with large diameters are spanned with load transfer plates in steel, see Annex 10. The load transfer plates shall be designed according to EN 1993-series as to permit a force of 1.1 ⋅ Fpk being transferred into the substructure.

Where

Fpk ......Nominal maximum force of the thread bar, see Annex 8 6 The technical documentation of the European technical approval is deposited at Österreichisches Institut für Bautechnik and,

in so far as is relevant to the tasks of the approved body involved in the attestation of conformity procedure, is handed over to the approved body.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

Details of the components mentioned above are given in the Annexes 9 to 13.

2.1.2.4 Load transfer to the structure

The load is transferred from the tendon via domed nut and anchor plate to the structure.

Concrete structures directly loaded by the anchor plate can be executed without or with additional reinforcement. The additional or bursting reinforcement shall be placed at the anchor head concentric with regard to the tendon. This reinforcement confines the concrete and absorbs bursting forces due to spreading of the load from the anchor head into the concrete structure.

If the following parameters are observed, verification of load transfer to structural concrete has been delivered according to ETAG 013 with efficiency of 1.3 in case without additional reinforcement and of 1.1 in case with additional reinforcement.

− Compressive strength of concrete at time of loading fcm, 0, cube 150 ≥ 25 N/mm2

− Minimum concrete grade ≥ C 20/25 according to EN 206-1

− Centre and edge distances of the anchor head, without or with additional reinforcement, as specified in Annex 6.

− Additional reinforcement, if placed, as specified in Annex 6

− For concrete structures without additional reinforcement, the area around the centric rock and soil anchor with outer dimensions corresponding to the centre distances specified in Annex 6, shall be reinforced as follows

− The reinforcement shall be at least 50 kg/m3.

− Only the loaded depth of the concrete structure down from the anchor plate shall be considered.

− Reinforcement already placed in that area for other reasons may be fully taken into consideration.

− The reinforcement does not have to be detailed and placed as bursting reinforcement.

If load transfer plates are designed and installed according to Clause 2.1.2.3, e.g. as shown in Annex 10, a minimum concrete grade of ≥ C 30/37 shall be used. However, the minimum centre and edge distances as specified in Annex 6 shall not be reduced.

The forces outside the specified centre distances or the additional reinforcement shall be verified and, if required, covered by appropriate reinforcement. Punching shall be considered.

Alternatively the load can be transferred to the structure via

− a concrete member without or with additional reinforcement, constructed specifically for that purpose. The concrete member shall have dimensions and reinforcement as specified for concrete structures above and to permit a force of 1.1 ⋅ Fpk being transferred into the substructure.

− a steel member designed according to EN 1993-series. The steel member shall have dimensions as to permit a force of 1.1 ⋅ Fpk being transferred into the substructure.

Design referred to above shall be according to the Eurocodes and the standards and regulations in force at the place of use.

2.1.2.5 Tendon, grout body

The tendon is comprised of thread bars, if required connected with couplers.

Inherent to the installation of the rock and soil anchor, the fixed anchor length provides a cement grout body between tendon and borehole wall that shall have a thickness of at least


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

10 mm. Concentric position of tendon and minimum thickness of grout body are ensured by spacers. The cement grout shall meet the requirements of EN 1537, taking into consideration the exposure classes according to EN 206-1.

Within the free anchor length a smooth sheathing is slipped over the tendon.

Permanent anchors are encapsulated with a corrugated sheathing. The annular void between corrugated sheathing and thread bar is filled with cement grout. Cement grout shall conform to EN 445 to EN 447.

Details of the components mentioned above are given in the Annexes 14 to 16.

2.1.3 Corrosion protection systems

2.1.3.1 General

The installation of temporary, semi-permanent and permanent anchors is subject to standards and regulations in force at the place of use.

The components of the corrosion protection system are shown in the Annexes 11 to 16.

2.1.3.2 Temporary anchors with a working life of up to 2 years

Annex 1 shows a schematic representation of the corrosion protection of temporary anchors. The most important components of the corrosion protection system are.

− Cement grout body, thickness ≥ 10 mm, between thread bar and borehole wall within the fixed anchor length. Concentric position of thread bar and minimum thickness of grout body are ensured by spacers.

− Smooth sheathing, thickness t ≥ 1.5 mm, in the free anchor length, sealed at the ends with an adhesive tape to prevent the ingress of water.

− Coupler in the free anchor length inside a coupler tube, thickness t ≥ 2 mm, sealed at the ends with heat shrinking sleeves.

− Coupler at the transition free anchor length to fixed anchor length.

− The steel pipe welded onto the anchor plate overlaps the smooth sheathing at the end of the free anchor length.

− Corrosion protection of the anchor head, as required, according to EN 1537.

2.1.3.3 Semi-permanent anchors with a working life of up to 7 years

Annex 2 shows a schematic representation of a semi-permanent anchor with a working life of up to 7 years. The most important components of the corrosion protection system are.

− Cement grout body, thickness ≥ 10 mm, between thread bar and borehole wall within the fixed anchor length. Concentric position of thread bar and minimum thickness of grout body are ensured by spacers.

− In the free anchor length the thread bar is coated with corrosion protection material.

− Smooth sheathing, thickness t ≥ 1.5 mm, in the free anchor length, sealed at the ends with heat shrinking sleeves to prevent the ingress of water.

− Coupler in the free anchor length, coated with corrosion protection material, inside a coupler tube, thickness t ≥ 2 mm, sealed at the ends with heat shrinking sleeves.

− Coupler at the transition free anchor length to fixed anchor length.

− The steel pipe welded onto the anchor plate overlaps the smooth sheathing at the end of the free anchor length and is sealed off against the smooth sheathing with a sealing ring.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

− At the transition between free anchor length and anchor head the void between tendon and steel pipe is filled with corrosion protection material.

− After tensioning, the thread bar protrusion shall be coated with corrosion protection material and a steel or plastic protective cap is tightly connected to the anchor plate.

2.1.3.4 Permanent anchor with corrosion protection according to EN 1537

Annex 3 shows a schematic representation of a permanent anchor with a working life of up to 100 years. The most important components of the corrosion protection system are.

− Permanent rock and soil anchors are protected against corrosion according to EN 1537 by encapsulating the thread bar in a corrugated sheathing with a wall thickness of ≥ 1.0 mm. The bottom end of the rock and soil anchor is closed with a cap. Joints within the encapsulation shall be sealed with an adhesive tape. The annular void between thread bar and corrugated sheathing is filled with cement grout according to EN 445 to EN 447. The thickness of the cement grout inside the corrugated sheathing shall be at least 5 mm. Concentric position of thread bar and minimum thickness of cement grout are ensured by a plastic cord helically wound around the thread bar or by spacers. Encapsulation and grouting of the annular void shall be carried out at the manufacturing plant.

− Cement grout body, thickness ≥ 10 mm, between encapsulated tendon and borehole wall within the fixed anchor length. Concentric position of thread bar and minimum thickness of grout body are ensured by spacers.

− In the free anchor length a smooth sheathing, thickness ≥ 1.5 mm, is slipped over the encapsulated tendon and sealed off against the corrugated sheathing with an adhesive tape.

− Coupler in the free anchor length are placed inside a coupler tube, thickness t ≥ 2 mm, filled with corrosion protection material and sealed at the ends with heat shrinking sleeves.

− Coupler at the transition free anchor length to fixed anchor length is protected with a double layer of heat shrinking sleeve.

− A steel pipe is tightly welded onto the anchor plate. Steel pipe and anchor plate shall be provided with an appropriate corrosion protection according to EN ISO 12944-5.

− The steel pipe overlaps the smooth sheathing at the end of the free anchor length and is sealed off against the corrugated sheathing with a profile ring. At the transition between free anchor length and anchor head the void between tendon and steel pipe is filled with corrosion protection material.

− Following tensioning the rock and soil anchor

− a protective cap in steel, hot dip galvanised according to EN ISO 1461 or

− a protective cap in steel, provided with an appropriate corrosion protection according to EN ISO 12944-5 or

− a plastic protective cap

is tightly connected to the anchor plate and filled with corrosion protection material. If the anchor head is embedded in concrete, a cap is not required.

2.2 Dangerous substances The rock and soil anchor system SAS does not contain dangerous substances according to Regulation (EC) № 1907/2006, Regulation (EC) № 1271/2008, and as listed in the indicative list of regulated dangerous substances DS 041/051.

A declaration in this respect has been made by the manufacturer.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

In addition to the specific clauses relating to dangerous substances in the European technical approval, there may be other requirements applicable to the product falling within their scope (e.g. transposed European legislation and national laws, regulations and administrative provisions). In order to meet the provisions of the Construction Products Directive, these requirements also need to be complied with, when and where they apply.

2.3 Methods of verification The assessment of the fitness of the rock and soil anchor system SAS for its intended use in relation to the requirements for mechanical resistance and stability in the sense of Essential Requirement 1 of the Council Directive 89/106/EEC has been made in conformity to CUAP 01.02/04 “Kit for rock and soil anchors - Kit with thread bars“.

2.4 Identification The European technical approval for the rock and soil anchor system SAS is issued on the basis of agreed data, deposited at Österreichisches Institut für Bautechnik, which identifies the rock and soil anchor system SAS that has been assessed and judged. Changes to the manufacturing process of the rock and soil anchor system SAS, which could result in this deposited data being incorrect, should be notified to Österreichisches Institut für Bautechnik before the changes are introduced. Österreichisches Institut für Bautechnik will decide whether or not such changes affect the European technical approval and consequently the validity of the CE marking on the basis of the European technical approval and, if so, whether further assessment or alterations to the European technical approval are considered necessary.

3 Evaluation of conformity and CE marking 3.1 Attestation of conformity system

According to the Commission Decision 98/456/EC of 3 July 19987, the system of attestation of conformity applied to this product shall be that laid down in Council Directive 89/106/EEC of 21 December 1988, Annex III, 2 (i), referred to as system 1+. This system of attestation of conformity provides for:

Certification of the conformity of the product by an approved certification body on the basis of

(a) Tasks for the manufacturer

(1) Factory production control

(2) Further testing of samples taken at the factory by the manufacturer in accordance with a prescribed test plan8

(b) Tasks for the approved body

(3) Initial type testing of the product

(4) Initial inspection of factory and of factory production control

(5) Continuous surveillance, assessment and approval of the factory production control

(6) Audit testing of samples taken at the factory

7 Official Journal of the European Communities № L 201 of 17 July 1998, page 112 8 The prescribed test plan has been deposited at Österreichisches Institut für Bautechnik and is handed over only to the

approved body involved in the conformity attestation procedure. The prescribed test plan is also referred to as control plan.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

3.2 Responsibilities 3.2.1 Tasks for the manufacturer

3.2.1.1 Factory production control

The manufacturer continues to operate a factory production control system. All elements, requirements and specifications adopted by the manufacturer are documented in a systematic manner in the form of written policies and procedures. This factory production control system ensures that the product is in conformity with the European technical approval.

Within the framework of factory production control, the manufacturer shall carry out tests and controls in accordance with the test plan prescribed in the European technical approval. Details of the extent, nature and frequency of testing and controls to be performed within factory production control shall correspond to the prescribed test plan which is part of the technical documentation of the European technical approval.

The results of factory production control are recorded and evaluated. The records include at least the following information:

− Designation of the products, components and basic materials

− Type of control or testing

− Date of manufacture of the products and date of testing of the products, basic materials and components

− Results of control and testing and, where appropriate, comparison with specifications

− Name and signature of the person responsible for factory production control

Results of testing in the course of factory production control of the SAS – Post-tensioning bar tendon system, ETA-05/0122, may be adopted for factory production control of the rock and soil anchor.

The records of factory production control shall be submitted to the approved body and shall be kept for at least ten years time. On request the records shall be presented to Österreichisches Institut für Bautechnik.

If test results are unsatisfactory, the manufacturer shall take immediate actions to eliminate the deficiencies. Construction products or components which are not in conformity with the requirements shall be removed. After elimination of the deficiencies the respective test – if technically necessary – shall be repeated immediately.

The holder of approval shall inspect each manufacturer of the load-bearing components given in the Annexes 9 and 10 at least once a year.

As long as the basis for CE-marking of prestressing steel is not available, an approval or certifi-cate according to the respective rules in force at the place of use shall accompany each deliv-ery. For “CE”-marked prestressing steel, attestation of conformity is already given and need not to be repeated.

3.2.1.2 Other tasks for the manufacturer

The manufacturer shall, on the basis of a contract, involve a body which is approved in the field of rock and soil anchors to undertake the required tasks according to Clause 3.2.2. For this purpose, the prescribed test plan of the European technical approval shall be handed over to the approved body.

When all criteria of the conformity attestation, including certification, are satisfied, the manufacturer shall issue a declaration of conformity, stating that the construction product is in conformity with the European technical approval


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

3.2.2 Tasks of the approved body

3.2.2.1 General

The approved body involved by the manufacturer shall perform the tasks stated in the clauses below and in accordance with the prescribed test plan of the European technical approval. The characteristics of the product and components shall be documented in a written report, together with the results obtained and conclusions drawn.

When all criteria of conformity attestation are satisfied, the approved certification body shall issue a certificate of conformity of the product, stating the conformity with the European technical approval.

In cases where the specifications of the European technical approval and its prescribed test plan are no longer fulfilled, the certification body shall withdraw the certificate of conformity and inform Österreichisches Institut für Bautechnik without delay.

3.2.2.2 Initial type testing of the products

For initial type testing the results of the tests performed as part of the assessment for the European technical approval may be used unless there are changes in the production process or plant. In the case of changes, the necessary initial type testing has to be agreed between Österreichisches Institut für Bautechnik and the approved body involved.

3.2.2.3 Initial inspection of factory and of factory production control

The approved body shall ascertain that, in accordance with the prescribed test plan, the factory, in particular personnel and equipment, and the factory production control are suitable to ensure a continuous and orderly manufacturing of the rock and soil anchor system SAS in accordance with the specifications defined in Section II as well as in the Annexes of the European technical approval.

3.2.2.4 Continuous surveillance

The approved body shall visit the manufacturer of the product at least once a year for surveillance. Each manufacturer of the load-bearing components specified in the Annexes 9 and 10 shall be inspected at least once in five years time. It has to be verified that the system of factory production control and the specified manufacturing process are maintained taking account of the prescribed test plan.

On demand the results of product certification and continuous surveillance shall be made available by the approved body to Österreichisches Institut für Bautechnik. In cases where the specifications of the European technical approval and the prescribed test plan are no longer fulfilled, the certification body shall withdraw the certificate of conformity and inform Österreichisches Institut für Bautechnik without delay.

3.2.2.5 Audit testing of samples taken at the factory

During surveillance inspections the approved body shall take samples of components of the rock and soil anchor system SAS or of individual components, for which the European technical approval has been granted, for independent testing. Sampling and testing shall be as specified in the prescribed test plan.

Results of audit testing in the course of surveillance of the SAS – Post-tensioning bar tendon system, ETA-05/0122, may be adopted for the rock and soil anchor system SAS.

3.3 CE marking The CE marking shall be affixed on the delivery note of the components of the rock and soil anchor system SAS. The initials “CE” shall be followed by the identification number of the approved certification body and be accompanied by the following information:


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

− Name or identification mark and address of the manufacturer

− The last two digits of the year in which the CE marking was affixed

− Number of the European technical approval

− Number of the certificate of conformity

− Product identification (trade name)

4 Assumptions under which the fitness of the product for the intended use was favourably assessed

4.1 Manufacturing The rock and soil anchor system SAS is manufactured in accordance with the specifications of the European technical approval. Composition and manufacturing process are deposited at Österreichisches Institut für Bautechnik.

4.2 Installation of the product 4.2.1 General

Both in regard to design and installation, the use of the rock and soil anchor system SAS is subject to standards and regulations in force at the place of use.

The rock and soil anchor system SAS includes temporary, semi-permanent and permanent rock and soil anchors for use under axial tensile loads. In accordance with the standards and regulations in force at the place of use, application may be limited to only temporary, semi-permanent or only permanent rock and soil anchors.

4.2.2 Installation

4.2.2.1 General

The holder of the approval shall have written instructions relating to the installation of the rock and soil anchor system SAS. EN 1537 and the relevant Eurocodes shall be considered. The installation instructions shall specify the measures required to prevent damage to the prestressing steel thread bar, anchor head, coupler and components of the corrosion protection system during installation.

It is assumed that assembly and installation of the rock and soil anchor is carried out in accordance with defined procedures by a qualified specialist company with the required resources and expertise for the execution of geotechnical works.

The length of the rock and soil anchor is obtained by connecting the necessary number of thread bars with couplers.

The rock and soil anchor is centrically installed into a pre-drilled borehole and grouted with cement grout. Thereby, the existing geotechnical conditions shall be taken into consideration. All installed rock and soil anchors have a system inherent cement grout body between thread bar and borehole wall. The cement grout shall comply with EN 1537. The cement type shall be selected dependent on the aggressiveness of the soil according to EN 206-1. The water to cement ratio shall be appropriate for the actual conditions on the construction site. Alternatively, grout in accordance with EN 445, EN 446 and EN 447 may be used. To improve the bonding strength to the ground, post-grouting can be carried out.

After the cement grout has set and sufficiently hardened, the anchor head is installed and the rock and soil anchor stressed. See Annex 5 for the recommended lock-off load.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

4.2.2.2 Temporary anchor, see Annex 1

The cement grout cover to the thread bar in the fixed anchor length shall be ≥ 10 mm. The cement grout cover is ensured by spacers at a distance of ≤ 1.5 m. A smooth sheathing is slipped over the tendon in the free anchor length. For further details on the corrosion protection and the installation of couplers and anchor head see Clause 2.1.3.2.

4.2.2.3 Semi-permanent anchor, see Annex 2

The cement grout cover to the thread bar in the fixed anchor length shall be ≥ 10 mm. The cement grout cover is ensured by spacers at a distance of ≤ 1.5 m. In the free anchor length the thread bar is coated with a corrosion protection material and a smooth sheathing is slipped over the tendon. For further details on the corrosion protection and the installation of couplers and anchor head see Clause 2.1.3.3.

4.2.2.4 Permanent anchor according to EN 1537, see Annex 3

The tendon is encapsulated with a corrugated sheathing in the free and fixed anchor length. The annular void between thread bar and corrugated sheathing is filled with cement grout according to defined procedures at the manufacturing plant. The encapsulated and grouted rock and soil anchors shall be lifted from the inclined injection table not before 24 hours.

In the fixed anchor length the cement grout cover to the encapsulated tendon shall be ≥ 10 mm. The cement grout cover is ensured by spacers at a distance of ≤ 1.5 m. A smooth sheathing is slipped over the encapsulated tendon in the free anchor length. For further details on the corrosion protection and the installation of couplers and anchor head see Clause 2.1.3.4.

4.3 Design of the rock and soil anchor system The design shall be carried out by qualified engineers experienced in geotechnical engineering. Design shall be according to the Eurocodes EN 1990, EN 1997-1, EN 1992-1-1 and EN 1993-series, taking into consideration the standards and regulations in force at the place of use.

For verification of structures executed with the rock and soil anchor system SAS the following considerations shall be observed.

− The rock and soil anchor shall only be subjected to axial tensile loading.

− The design value for the ultimate limit state of the rock and soil anchor shall be assumed according to EN 1992-1-1 with a partial safety factor of 1.159 against attainment of the force at yield strength, Fp0.1, nom.

− The ground characteristics shall be determined according to EN 1997-1. The design values for the ultimate limit state of the ground are specified in EN 1990. The capacity of the rock and soil anchors shall be defined according to EN 1997-1 and EN 1537, based on investigation, suitability and acceptance tests. For load introduction into the structure, EN 1992-1-1 applies.

− Structures with only one single rock and soil anchor shall not be executed as to ensure a redundant construction.

− The stress ranges at coupler and anchor head given in Table 2 were determined in fatigue tests at an upper load of 0.65 · Fm, nom and up to 2 · 106 load cycles.

− The parameters of the S-N curve for coupler and anchor head with anchor plate are specified in EN 1992-1-1 and given in Table 3.

9 Recommended partial safety factor to be applied in the absence of applicable standards and regulations in force at the place

of use.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

Table 2: Stress range verified in fatigue tests

Nominal diameter Stress range

∅ Coupler Anchor head with anchor plate

mm N/mm2 N/mm2

17.5 to 47 80 80

Table 3: Parameter of the S-N curve for coupler and anchor head with anchor plate

Nominal diameter Parameter of the S-N curve

∅ Coupler Anchor head with anchor plate

mm ⎯

17.5 to 47

S-N curve with ΔσRsk = 80 N/mm2 with N = 2 ⋅ 106

k1 = 5, k2 = 5 N* = 1 ⋅ 10n, n = 6

Where

ΔσRsk ................Stress range

N ......................Number of load cycles

k1, k2 ................Stress exponents of the S-N curve according to EN 1992-1-1, Table 6.4N

N*.....................Number of load cycles at the transition from k1 to k2

− Minimum centre and edge distances are given in Annex 6 without and with additional reinforcement and for a concrete cube compressive strength of fcm, 0, cube 150 ≥ 25 N/mm2.

− For structures without additional reinforcement the area around the rock and soil anchor shall be reinforced according to Clause 2.1.2.4.

− Boreholes with large diameters are spanned with load transfer plates in steel. The load transfer plates shall be designed according to EN 1993-series as to permit a force of 1.1 ⋅ Fpk being transferred into the substructure.

Where

Fpk ......Nominal maximum force of the thread bar, see Annex 8

− To verify elongations during stressing, a slip value of 2 mm shall be assumed for the coupler and 1.5 mm at the anchorage for load transfer from the jack to the structure.

− With a compressive strength of grout cylinders of ≥ 40 N/mm2, a characteristic bond strength of 6 N/mm2 can be assumed.

− Recommended proof loads and lock-off loads are listed in Annex 5.


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

4.4 Use, maintenance and repair The assessment of the fitness for use is based on the assumption that maintenance is not required during the assumed intended working life. The rock and soil anchors can be re-stressed or subjected to lift-off testing.

5 Recommendations for the manufacturer 5.1 Recommendations for packing, transport and storage

The approval holder shall have written instructions relating to

− Temporary protection of the thread bars and the other components in order to prevent corrosion during transport from the production plant to the construction site;

− Transportation, storage and handling of the thread bars and the other components in order to avoid any mechanical, chemical or electrochemical changes;

− Protection of the thread bars and the other components from moisture if stored outdoors;

For storage of the rock and soil anchor system SAS the specifications of the approval holder shall be observed.

5.2 Recommendations on installation The installation instructions of the manufacturer shall be followed. The respective standards and regulations in force at the place of use shall be observed.

5.3 Accompanying information It is the responsibility of the holder of the approval to ensure that all necessary information on design and installation is submitted to those concerned in design and execution of the structures executed with the rock and soil anchor system SAS.

On behalf of Österreichisches Institut für Bautechnik

The original document is signed by:

Rainer Mikulits

Managing Director


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

Max Aicher GmbH & Co. KG 83404 Ainring-Hammerau

Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Temporary anchor

Annex 1 of European technical approval

ETA-12/0601

Rock and soil anchor system SAS – Temporary anchor

Anchor heads variants Sections

Minimum borehole diameter 2) Thread

bar nominal diameter

Maximum G for

bearing on steel

Maximum A 1) for

load trans-fer plate

Fillet weld minimum thickness

at the anchor head

without coupler

with coupler at Ltf – Ltb 3)

with coupler in

Ltf ∅ G A a ⎯ ⎯ ⎯ ⎯

mm mm mm mm mm mm mm mm 17.5 80 3.5 54 50 57 70 26.5 90 5 61 56 71 85 32 100 6 67 61 81 95 36 7 70 65 89 110 40 8 86 78 91 110 47

130

160

8 98 90 110 130 1) For load transfer plates to span larger distances, see Annex 6, a minimum concrete

strength class according to EN 206-1 of ≥ C25/30 for Pos. 11 and ≥ C30/37 for Pos. 11a is required.

2) The minimum borehole diameter is based on the minimum cover of grout including an injection hose ∅ 10 mm

3) Coupler at transition free anchor length, Ltf, to fixed anchor length, Ltb

Prestressing steel thread bar

Domed nut Anchor plate with steel tube Adhesive tape Smooth sheathing Basket spacer Load transfer plate

Load transfer plate for angle compensation tube

Angle compensation tube Corrosion protection coating

191811a 11765321


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Semi-permanent anchor


ETA-12/0601

Rock and soil anchor system SAS – Semi-permanent anchor Temporary anchor with an extended working life




Maximum G for

bearing on steel

Maximum A 1) for



at the anchor head

without coupler


with coupler in

Ltf ∅ G A a ⎯ ⎯ ⎯ ⎯


130

160






Domed nut Anchor plate with steel tube Smooth sheathing Basket spacer Heat shrinking sleeve Load transfer plate


Steel cap or plastic cap

Corrosion protection grease

Angle compensation tube Corrosion protection coating Sealing ring

9

20

1512

1918

11a 11

76321


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Permanent anchor


ETA-12/0601

Rock and soil anchor system SAS – Permanent anchor




Maximum G for

bearing on steel

Maximum A 1) for



at the anchor head

without coupler


with coupler in

Ltf ∅ G A a ⎯ ⎯ ⎯ ⎯


130

160






Domed nut Anchor plate with steel tube Corrugated sheathing Adhesive tape Smooth sheathing Basket spacer Load transfer plate


Steel cap or plastic cap

Injection cap or end cap

Profile ring


Inner spacer

Inner cement grout

Angle compensation tube

1716

1314

54

15

12

18

11a 1176

321


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Coupling splices


ETA-12/0601

Coupling splices – Temporary anchor Transition free anchor length Ltf – fixed anchor length Ltb In free anchor length Ltf

Coupling splices – Semi-permanent anchor Transition free anchor length Ltf – fixed anchor length Ltb In free anchor length Ltf

Coupling splices – Permanent anchor In free anchor length Ltf

Coupler at transition free anchor length, Ltf, to fixed anchor length, Ltb The coupler shall be protected with a double layer of heat shrinking sleeve. Coupler in fixed anchor length, Ltb In the fixed anchor length coupler should be avoided. If a coupler is required in an exceptional case, the coupler shall be protected with a double layer of heat shrinking sleeve.


Corrugated sheathing Adhesive tape Smooth sheathing Coupler with set screws Heat shrinking sleeve Coupler tube

Injection cap or end cap


13

54

9

15

10

86

1


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Proof loads and lock-off load of the anchor according to EN 1537


ETA-12/0601

Proof loads and lock-off load of the rock and soil anchor according to EN 1537. The specified loads are recommended in the absent of applicable standards and regulations in force at the place of use.

Prestressing steel thread bar Y1050H, Rp0.1 = 950 N/mm2 , Rm = 1 050 N/mm2

Thread bar

nominal diameter

Characteristic force at yield

strength

Characteristic maximum

force

Maximum lock-off load 1)

Investigation test

maximum proof load 2)

Suitability test maximum

proof load 3)

Acceptance test

maximum proof load 4)

∅ Fp0.1 Fpk ⎯ ⎯ ⎯ ⎯

mm kN kN kN kN kN kN

17.5 230 255 153 204 219 207

26.5 525 580 348 464 499 473

32 760 845 507 676 722 684

36 960 1 070 642 856 912 864

40 1 190 1 320 792 1 056 1 131 1 071

47 1 650 1 820 1 092 1 456 1 568 1 485

1) Maximum lock-off force according to EN 1537, 0.60 ⋅ Fpk

2) Maximum proof load in investigation test according to EN 1537, minimum ⎩⎪⎨⎪⎧0.80 ⋅ Fpk0.95 ⋅ Fp0.1

3) Maximum proof load in suitability test according to EN 1537, 0.95 ⋅ Fp0.1 4) Maximum proof load in acceptance test according to EN 1537, 0.90 ⋅ Fp0.1


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Centre spacing and edge distance of the anchor system


ETA-12/0601

Mechanical anchorage without additional reinforcement – bursting reinforcement − Actual concrete compressive strength at time of stressing, fcm, 0, cube 150 ≥ 25 N/mm2 − Minimum concrete compressive strength class according to EN 206-1 ≥ C20/25 − Reinforcement in the anchorage zone according to Clause 2.1.2.4.

Thread bar nominal diameter Centre spacing Edge distance

Thread bar nominal diameter

Maximum diameter 1), 2)

∅ C E ∅

mm mm mm mm mm

17.5 200 90 + c 17.5 26.5 280 130 + c 26.5

63.5

32 340 160 + c 32 70.0 36 380 180 + c 36 40 420 200 + c 40

76.1

47 500 240 + c 47 101.6 c ...Concrete cover of reinforcement according to standards and

regulations in force at the place of use. The exposure classes according to EN 206-1 shall be considered.

1)...Maximum diameter for mechanical anchorage without and with additional reinforcement

Mechanical anchorage with additional reinforcement – bursting reinforcement

− Actual concrete compressive strength at time of stressing, fcm, 0, cube 150 ≥ 25 N/mm2 − Minimum concrete compressive strength class according to EN 206-1 ≥ C20/25

Thread bar nominal diameter Centre spacing Edge distance

Additional reinforcement, ribbed reinforcing steel, Re ≥ 500 MPa

∅ C E n × ∅ / a / l 3) h × h 4)

mm mm mm – × mm / mm / mm mm × mm

17.5 160 70 + c 5 × 10 / 30 / 20 140 × 140

26.5 240 110 + c 4 × 12 / 60 / 20 220 × 220

32 300 140 + c 5 × 12 / 60 / 20 280 × 280

36 340 160 + c 6 × 12 / 60 / 20 320 × 320

40 380 180 + c 6 × 12 / 60 / 20 360 × 360

47 440 210 + c 7 × 12 / 60 / 35 420 × 420 3) n.............Number of stirrups

∅............Nominal diameter of additional reinforcement a.............Axis spacing of additional reinforcement l..............Distance of first stirrup to anchor plate

4) h ............ External dimensions of stirrups c .................. Concrete cover of reinforcement according to

standards and regulations in force at the place of use. The exposure classes according to EN 206-1 shall be considered.

2)...Larger bearing distances are spanned with load transfer plates and the minimum concrete compressive strength class according to EN 206-1 is ≥ C25/30 and with angle compensation tube is ≥ C30/37.

c

CE

CE

c

c

CE

CE

c

l a a

≥h

∅s

add. reinforcement n × ∅

l a a

≥h

∅s

add. reinforcement n × ∅


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Prestressing steel thread bar Nominal dimensions and mass, rib geometry


ETA-12/0601


Geometry

Detail A Cross section

Right hand thread

A

β 90 °

d hdv

a

b cRa

Detail A Cross section

Right hand thread

A

β 90 °

d hdv

a

b cRa

Thread ribs Thread


Nominal mass per

metre 1)

Nominal cross

sectional area

Core diameter

Depth Width Pitch Gradient Radius

∅ M Sn dh dv min. a b c β R

mm kg/m mm2 mm mm mm mm mm ° mm

17.5 1.96 241 17.4 17.2 1.1 4.1 8 82.5 1.8

26.5 4.48 552 26.4 25.9 1.7 6.2 13 81.5 2.6

32 6.53 804 31.9 31.4 1.9 7.6 16 81.5 3.2

36 8.27 1 018 35.9 35.4 2.1 8.7 18 81.5 3.6

40 10.21 1 257 39.7 38.9 2.1 9.6 20 81.5 4.0

47 14.10 1 735 46.6 45.8 2.4 10.5 21 82.5 4.0 1) Nominal mass per metre including 3.5 % of non load-bearing ribs.

Tolerance to nominal mass ± 4.5 %

1


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Prestressing steel thread bar Mechanical technological characteristics


ETA-12/0601


Characteristic Thread bar nominal

diameter force at yield strength maximum force

∅ Fp0.1 Fm

mm kN kN

17.5 230 255

26.5 525 580

32 760 845

36 960 1 070

40 1 190 1 320

47 1 650 1 820

Characteristic yield strength 1) Rp0.1 N/mm2 950

Characteristic tensile strength 1) Rm N/mm2 1 050

Elongation at maximum force

Agt = Ag + RmE ⋅ 100

2) Agt % ≥ 5.0

Fatigue resistance 3)

at an upper stress of σup = 0.7 ⋅ Rm, act and up to 2.0 ⋅ 106 load cycles

Tested stress range for

∅ 17.5 to 40 mm

∅ 47 mm

2 ⋅ σA

N/mm2

N/mm2

180

120 1) 5 % fractile 2) Modulus of elasticity E ≈ 205 000 N/mm2 3) Fatigue resistance of thread bar without anchorage and coupler

1


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Domed nut, square anchor plate, welded

steel tube


ETA-12/0601

Domed nut WR 2001-∅

Thread bar ∅ A/F L ∅1 ∅2

mm mm mm mm mm 17.5 36 55 31 50 26.5 50 75 44 72 32 60 90 48 80 36 65 100 50 90 40 70 115 55 100 47 80 135 65 110

Square anchor plate with steel tube

Temporary anchor Permanent anchor WR 2111-∅ Semi-permanent anchor WR 2110-∅

Steel tube Thread

bar Anchor plate Temporary anchor Permanent anchor 1)

Semi-permanent anchor ∅ a c ∅1 ∅2 ∅a × s L ∅a × s L

mm mm mm mm mm mm × mm mm mm × mm mm 17.5 110 30 28 45 44.5 × 2.3 26.5 150 35 39 72 51.0 × 2.3

63.5 × 2.6

32 180 40 45 82 57.0 × 2.3 70.0 × 2.6 36 200 45 49 92 60.3 × 2.3 40 220 45 54 100 76.0 × 2.6

76.1 × 2.6

47 260 50 64 110 88.9 × 2.9

150

101.6 × 2.9

300

1) For permanent anchors the wall thickness of the steel tube shall be increased by 1 mm for high corrosion load according to EN 12501-1, -2 – sacrificial corrosion

Material specifications are deposited at Österreichisches Institut für Bautechnik.

3

2


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Coupler with set screws,

load transfer plates


ETA-12/0601

Coupler with set screws WR 3020-∅

To prevent unscrewing, 3 set screws at both ends of the couplerHexagon socket set screws with flat point, EN ISO 4026

Thread bar∅ ∅a L Set screw

mm mm mm mm 17.5 36 100 26.5 50 170 32 60 200 36 68 210

M 8

40 70 245 47 89 280

M 10

Load transfer plate 1) for large bore

holes, recess tube WR 2149-∅

Thread bar

∅

max. Ø Aor

boreholea c Ø

mm mm mm mm mm 17.5 180 20 73 26.5 195 20 73 32 215 20 79 36 230 15 79 40 240 15 86 47

160

270 15 111

Load transfer plate 1) for angle

compensation tube WR 2150-∅

Thread bar∅ a c d L

mm mm mm mm mm 17.5 180 20 73 102 26.5 195 25 73 104 32 215 30 79 114 36 230 30 79 114 40 240 30 86 122 47 270 30 111 151

1) For permanent anchors the exposed steel surfaces shall be coated or hot dip galvanised as specified for corrosion protection of steel structures.


11a

11

8


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Angle compensation tube, heat shrinking

sleeve, coupler tube


ETA-12/0601

Angle compensation tube 1)

h for an angle of Thread bar∅

Steel tube∅a × s

A 5 ° 10 ° 15 ° 20 ° 25 ° 30 °

mm mm × mm mm mm 17.5 101.6 × 5.0 25 30 34 39 44 49 55

26.5 133.0 × 8.0 30 36 42 48 55 62 69

32 139.7 × 12.5 30 37 43 49 56 63 71

36 139.7 × 16.0 35 42 48 54 61 68 76

40 168.3 × 16.0 35 43 50 58 66 75 84

47 219.1 × 16.0 35 45 55 65 75 87 99

Heat shrinking sleeve CPSM or SATM

Thread bar∅

∅i Before

shrinking

t Before shrinking/

After shrinking L

mm mm mm mm 17.5

26.5

32

> 70 min. 0.5 / min. 1.0

36

40 > 90 min. 0.5 / min. 1.0

47 > 110 min. 0.5 / min. 1.0

as required 2)

2) Overlap of heat shrinking sleeve on corrugated sheathing or on coupler tube at least 7.5 cm before shrinking

Coupler tube

Thread bar ∅

Temporary, semi-permanent

anchor ∅a / ∅i

Permanent anchor ∅a / ∅i

L 3) min. t

mm mm mm mm mm 17.5 50 / 44 63 / 57

26.5 63 / 57 63 / 57 450

32 75 / 67.8 75 / 67.8

36 90 / 84.6 90 / 84.6 500

40 90 / 84.6 90 / 84.6

47 110 / 105 110 / 105 600

2

3) Elongation for a free anchor length of up to 18 m is considered



10

9

18


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Steel cap, corrosion protection grease,

coating, and tape


ETA-12/0601

Steel cap 1)

with accessories

, EN ISO 4017, EN ISO 4017

Dimensions in mm

Thread bar Steel tube Flange Height Sealing ring ∅ ∅a × t d h da × di × s

mm mm × mm mm mm mm × mm × mm 17.5 63.5 × 3.2 110 110 × 57 × 3 26.5 88.9 × 3.2 135 135 × 82 × 3 32 95.0 × 3.2 142 142 × 88 × 3 36 101.6 × 3.2 148 148 × 94 × 3 40 114.0 × 3.6 148 148 × 107 × 3 47 127.0 × 3.6 171

≥ 200

171 × 120 × 3

Corrosion protection material according to ETAG 013, e.g. Cirinject-CP or corrosion protection material according to the standards and regulations in force at the place of use

Corrosion protection coating with corrosion protection material according to ETAG 013 or corrosion protection material according to the standards and regulations in force at the place of use

Corrosion protection tape according to EN 1537 tapes soaked with corrosion protection material according to ETAG 013 or corrosion protection material according to the standards and regulations in force at the place of use



15

21

19

12


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Plastic cap with screw socket


ETA-12/0601

Plastic cap with accessories

Dimensions in mm

Thread bar Plastic cap Screw socket Sealing ring Sealing

Ø t Øa × h Ø1 A/F Ø2 L Ød × a da / di s

mm mm mm × mm mm mm mm mm mm × mm mm / mm mm

17.5 5 85 × 60 30 41 70 82 56 × 8 89 / 65 3

26.5 - 32 5 112 × 87 42 50 90 126 68 × 8 115 / 85 3

36 - 40 5 132 × 105 58 70 110 154 84 × 8 135 / 105 3

47 5 183 × 125 72 80 130 175 98 × 8 186 / 156 3


12


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Corrugated sheathing, smooth sheathing


ETA-12/0601

Corrugated sheathing

Thread bar Dimensions 1)

∅ ∅a / ∅i min. t mm mm / mm mm 17.5

26.5 50 / 43

32 56 / 49 36

40 65 / 57

47 80 / 71

1.0

1) Length as required

Smooth sheathing Temporary anchor Semi-permanent anchor

Thread bar Dimensions 2) ∅ ∅a t

mm mm mm 17.5 35 26.5 41 32 46 36 50

2.0

40 63 2.0 / 3.6 47 75 4.3


Permanent anchor

Thread bar Dimensions 3)

∅ ∅a min. t mm mm mm 17.5 26.5

54.2

32 60.1 36 40

70.1

47 84.9

1.5



6

4


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Basket spacer, profile ring, sealing ring


ETA-12/0601

Basket spacer

Temporary anchor Semi-permanent anchor Permanent anchor Thread bar

∅ d × s A L d × s A L

mm mm × mm mm mm mm × mm mm mm

17.5 20 × 1.5 26.5 32 × 1.9

> 70 150 to 175 55 × 3.0 > 100

32 63 × 3.0 > 110 36

40 × 3.0 > 90

40 75 × 3.6 > 115

47 50 × 3.0 > 100

250 to 290

90 × 2.7 > 140

250 to 290

Profile ring

Thread bar

∅ ∅a ∅i b

mm mm mm mm 17.5 26.5

58.8 45.5 14

32 65.0 49.5 20 36 40

71.5 58.0 20

47 96.0 75.0 23

Sealing ring

Thread bar

∅ ∅i s

mm mm mm 17.5 33 15 26.5 39 12 32 44 12 36 48 15 40 61 8 47 73 15


20

7

14


OIB-250-004/03-076

elec

tron

ic c

opy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy

ele

ctro

nic

copy


Deutschland

Rock and soil anchor system SAS Prestressing steel thread bar Y1050H, ∅ 17.5 – 47 mm Accessories Inner spacer, mat spacer, injection cap

and end cap


ETA-12/0601

Inner spacer PE cord, pitch ≤ 0.5 m

Thread bar Ø

PE cord min. Ø

mm mm 17.5 26.5 32 36 40 47

6

Mat spacer Distance ≤ 1.0 m

Dimensions Thread bar Ø h L1 L2

Number of ribs

mm mm mm mm ⎯ 36 6 112 124 3 40 6 112 124 3 47 8 132 124 3

Injection cap and end cap alternative type


13

Documents

European technical approval ETA-12/0601 · threaded steel bar of prestressing steel according to prEN 10138-45. The continuous thread is provided by ribs, hot rolled along the entire