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7/26/2019 DSI Underground Systems Rebar Rock Bolts US 01
http://slidepdf.com/reader/full/dsi-underground-systems-rebar-rock-bolts-us-01 1/14
Mining and Tunneling Products Catalogue
www.dsiunderground.com
Rebar Rock Bolts
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Table of Contents Sectio
Mechanical Rock Bolts, Extension Bolts & Stelpipe Bolts
Rebar Rock Bolts
Cable Bolts
Friction Stabilizers & Expandable Bolts
DYWIDAG THREADBAR®
Trusses & Slings
Specialty Bolts
Fiberglass Bolts
Resins & Cement Cartridges
Mesh, Straps & Plate Washers 1
Eyebolts, Scaling Bars & Utility Hangers 1
Tools & Hardware, Drilling Consumables 1
Lattice Girders, Steel Arches & Props 1
High Performance Grouts & Application Equipment 1
Drilling Fluids 1
Miscellaneous 1
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#5 (15M) #6 (20M) #7 (22M) #8 (25M)
Nominal Bar Size E 0.625" (16mm) 0.750" (19.5mm) 0.875" (22.2mm) 1.0" (25.2mm)
Head Across Flats F 1.088" to 1.125" (27.64mm to 28.58mm)
Head Across Corners G 1.425" to 1.591" (36.19 mm to 40.41mm)
Head Height, min. H 0.40" (10.2mm)
Thread Size (left and right) I 5 / 8”- 11 UNC 3 / 4"- 10 UNC 7 / 8"- 9 UNC 1"- 8 UNC
#5 (15M) #6 (20M) #7 (22M) #8 (25M)
Yield Strength, min.18,600 lbs
(80 kN)
26,400 lbs
(120 kN)
36,100 lbs
(155 kN)
47,100 lbs
(200 kN)
Tensile Strength, min.27,600 lbs
(121 kN)
39,600 lbs
(180 kN)
54,100 lbs
(232 kN)
70,600 lbs
(300 kN)
Elongation in 8" (200mm) 9% minimum
5 / 8" - 11 UNC 3 / 4" - 10 UNC 7 / 8" - 9 UNC 1" - 8 UNC
Yield Strength, min.13,600 lbs
(60.5 kN)
20,000 lbs
(89 kN)
27,700 lbs
(123.2 kN)
36,400 lbs
(161.9 kN)
Tensile Strength, min.20,300 lbs
(90.3 kN)
30,100 lbs
(133.9 kN)
41,600 lbs
(185 kN)
54,500 lbs
(242.4 kN)
Elongation in 8" (200mm) 9% minimum
Rebar Rock Bolts (Forged Head & Threaded)
#5 (15M), #6 (20M), #7 (22M) and #8 (25M)Forged Head Rebar
Threaded Rebar
Dimensions
Technical Data - Forged Head - Grade 60
Technical Data - Threaded - Grade 60
Notes: USA - manufactured to ASTM F432 and ASTM A615 specifications; bolts MSHA approved
Canada - manufactured to ASTM F432, CSA M430 and CSA G30.18M specifications
Grade 40 & 75 available where applicable. Notched rebar optional for bending.
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MGSD Bar
The new DSI hybrid size bar to allow easier
insertion through resin and better resin mixing.
Size Grade Yield
min.
Yield
max.
Tensile
min.
Tensile
max.Elongation
"A"
Diameter
"A"
Aim
"C"
Nominal "C" Deviation
3 / 4" 75 75,000 87,000 100,000 131,000 8 % min. 0.680" 0.680"-0.686" 0.060"0.038" min.
0.068" max.
7 / 8" 75 75,000 87,000 100,000 131,000 8 % min. 0.796" 0.796"-0.808" 0.054"0.038" min.
0.068" max.
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Installation Accessories
Rebar Rock BoltsNuts
Domenuts
• for3
/ 4" thread A.F. = 11
/ 8" square• for 7 / 8" thread A.F. = 11 / 8" square
• for 1" thread A.F. = 1 5 / 8" hex
Plain Nuts - used with pinched thread
• for 3 / 4" thread A.F. = 11 / 8" square
• for 7 / 8" thread A.F. = 11 / 8" square with flange
• for 1" thread A.F. = 15 / 8" hex
Torq Bolts - system available
• for 3 / 4" and 7 / 8" thread A.F. = 11 / 8" square
Resin Mixing System "crimped thread"
Hardened Round Washers
• to ASTM F436 specifications
• for 3 / 4" thread:
I.D. = 13 / 16", O.D. = 1 15 / 32", T = 0.122" to 0.177"
• for 7 / 8" thread:
I.D. = 15 / 16", O.D. = 13 / 4", T = 0.136" to 0.177"
• for 1" thread:
I.D. = 11 / 8", O.D. = 2", T = 0.136" to 0.177"
Spherical Seat (Compensation) Washers
• ductile iron ASTM A536 Gr. 65-45-12
• for 3 / 4" thread:
I.D. = 13 / 16", O.D. = 2", H = 13 / 16" (model TSW-4)
I.D. = 15 / 16", O.D. = 2", H = 1 / 2" (model TSW)
• for 7 / 8" & 1" thread:
I.D. = 1 1 / 16", O.D. = 2", H = 1 / 2" (model TSW-1)
Installation Tools - for Stopers/JacklegsForged Head Rebar Driver (Dollie)
• 1 1 / 8" square driver
• available with 7 / 8" hex socket or 3 1 / 4" long hex shank
Threaded Rebar Nutrunners
• 11 / 8" square nutrunner (for 3 / 4" & 7 / 8" bolts)
• 15 / 8" hex nutrunner (for 1" bolts)
• available with 7 / 8" hex socket or 31 / 4" long hex shank
Reverse Spin Reverse Drive
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Installation Accessories
Tandem Anchor
• patented
• slotted shell base removes the chance of severely twisted
shells with leaves buckled inward onto the thread
• the system incorporates both mechanical (expansion shell) &
resin anchorage
Other Rebar Product Variations
• coupled bolts
• notched bolts (for bending)
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Expansion
Shell
Resin
Installation Accessories
Tandem Anchor
Components
• #6 ( 3 / 4") or #7 ( 7 / 8") headed rebar
• expansion shell (usually D8)• support nut
• washer (2" or 21 / 4")
• for 13 / 8" or 11 / 2" drill holes
• Tandem Anchor Bolts are "POINT ANCHOR BOLTS" because
the full length of the bolt is placed under tension. Resin is
inserted into the drilled hole followed by the bolt. Rotation of
the bolt mixes the resin and causes the expansion shell to
expand and place the bolt in tension. This system incorporatesboth mechanical (expansion shell) and resin anchorage.
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Installation Accessories
Two Piece Tandem Anchor
Components
• #6 ( 3 / 4") or #7 ( 7 / 8") rebar
• 5 / 8" or 3 / 4" headed smooth bar• coupling
• expansion shell (usually D8)
• support nut
• washer (2" or 21 / 4")
• Tandem Anchor Combos are "POINT ANCHORS". The primary
difference in this unit and the Tandem Anchor is the utilization
of two or more individual rods to create a single bolt. This is
necessary when the bolt, to be installed, is longer than the
coal seam is high and the bending of a single bolt is difficult
or impossible.
Expansion
Shell
Resin
Rebar
Smooth Bar
Coupling
Washer
Support
Nut
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D-DomeTM Rebar Rockbolts
#7 (22m)
Dimensions and Regulatory Requirements
• see Rebar Rockbolts page for size and regulatory requirement
characteristics of D-DomeTM
Rebar Rockbolts
Technical Data
• the D-DomeTM Rebar Rockbolts produces up to a 60%
increase in head strength versus ASTM F432.95 requirements
Side View Comparison
• the D-DomeTM headed rebar bolt offers increased security against roof loading
• please contact a local sales representative for a sample product and to arrange for a trial
regular head for comparison
D-Dome™ head for comparison
Traditional headed rebar bolt
loaded to 32,000 lbs
D-DomeTM headed rebar bolt
loaded to 54,000 lbs
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• In addition to improved mixing properties the
“posimix” device also tends to pump the plastic
skin of the chemical anchor to the back of the
hole which eliminates the ‘gloving’ effect.
• All DSI conventional chemical bolts can be
manufactured as “posimix” bolts and supplied to
suit either left or right hand bolt rotation.
• Recommended hole size is 31 to 38mm diameter.
• Corrosion protection may be provided by hot
dip galvanizing.
Posimix Resin Bolt System
General Features
• Manufacture of the “posimix” bolt is the
addition of a specially designed spring wire
attached to the up hole end of many of DSI
rock bolts.
• The “posimix” bolting system was designed
to assist in the installation of rock bolts with
chemical anchors in larger diameter holes
(31-38mm) by providing:
• substantially enhanced mixing of thechemical anchors,
• load transfer capabilities are maximised,
• the ability to be installed with a face jumbo
as well as hand held machines.
• The “posimix” device centralises the bolt
in the hole allowing an even distribution of
the chemical anchor around the bolt. It also
acts as an Archimedes screw pump forcing
the chemical towards the back of the hole,
assisting in mixing whilst consolidating the
anchor for improved load transfer properties.
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Tension Jack/Pull Test Kit
30 Ton Capacity
General Information
• The pull test kit consists of two assemblies:
• a mechanical assembly which includes a claw, stand, nut, & spindle
• a hydraulic assembly which includes a hollow core ram, hand pump, gauge, & hose
• The gauge measures pressure, which is easily converted into tons of load
• Suitable for testing virtually all types of rock bolts and soil nails
• When testing Split Set™, Swellex™, or forged head bolts, the pull collar must be put onto the bolt
BEFORE installation of the bolt
• 30 ton units available for sale or rent
• Comes complete with wooden crate
• Pull test collars available upon request
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Please Note:
This brochure serves basic information
purposes only. Technical data and information
provided herein shall be considered
non-binding and may be subject to change
without notice. We do not assume any liability
for losses or damages attributed to the use
of this technical data and any improper
use of our products. Should you require
further information on particular products,
please do not hesitate to contact us.
A R G E N T I N A
A U S T R A L I A
A U S T R I A
B E L G I U M
B O S N I A A N D H E R Z E G O V I N A
B R A Z I L
C A N A D A
C H I L E
C H I N A
C O L O M B I A
C O S T A R I C A
C R O A T I A
C Z E C H R E P U B L I C
D E N M A R K
E G Y P T
E S T O N I A
F I N L A N D
F R A N C E
G E R M A N Y
G R E E C E
G U A T E M A L A
H O N D U R A S
H O N G K O N G
I N D I A
I N D O N E S I A
I T A L Y
J A P A N
K O R E A
L E B A N O N
L U X E M B O U R G
M A L A Y S I A
M E X I C O
N E T H E R L A N D S
N I G E R I A
N O R W A Y
O M A NP A N A M A
P A R A G U A Y
P E R U
P O L A N D
P O R T U G A L
Q A T A R
R U S S I A
S A U D I A R A B I A
S I N G A P O R E
S O U T H A F R I C A
S P A I N
S W E D E N
S W I T Z E R L A N DT A I W A N
T H A I L A N D
T U R K E Y
U N I T E D A R A B E M I R A T E S
U N I T E D K I N G D O M
U R U G U A Y
U S A
V E N E Z U E L A
USA
DSI Underground Systems, Inc.
9786 S Prosperity RoadWest Jordan, UT 84081, USAPhone +1-801 973-7169
DSI Underground Systems, Inc.447 DuPont Rd.
Martinsburg, WV 25404, USAPhone +1-800 332-3308
DSI Underground Systems, Inc.
700 Technology Drive
South Charleston, WV 25309, USAPhone +1-800 547-4751
DSI Underground Systems, Inc.5400 Foundation Blvd.Evansville, IN 47725, USA
Phone +1-812 214-2968
DSI Underground Systems, Inc.
9344 Sunrise RoadCambridge, OH 43725, USAPhone +1-800 457-7633
DSI Underground Systems, Inc.1774 Mellwood AveLouisville, KY 40206-1756, USA
Phone +1-502 473-1010
DSI Underground Systems, Inc.
1032 East Chestnut StreetLouisville, KY 40204-1019, USAPhone +1-502 583-1001
Canada
DYWIDAG-Systems International Canada Ltd.3919 Millar Avenue
Saskatoon, SK S7P 0C1, CanadaPhone +1-306 244-6244
DYWIDAG-Systems International Canada Ltd.
199 Mumford RoadUnit C&DLively, ON P3Y 1L2, Canada
Phone +1-705 692-6100
DYWIDAG-Systems International Canada Ltd.
853 Boulevard RideauRouyn-Noranda, QC J9Y 0G3, CanadaPhone +1-819 762-0901
DYWIDAG-Systems International Canada Ltd.15 Toulouse Crescent
Sturgeon Falls, ON P2B 0A5, CanadaPhone +1-705-753 4872
DYWIDAG-Systems International Canada Ltd.
17 Burns Rd., Unit 2
Whitehorse, YT Y1A 4Z3, CanadaPhone +1-867-393 2841
Mexico
DS International S.A. de C.V.Carretera a Base Aérea Militar No. 1002
Bodegas 13, 14 & 15Parque Industrial FERRANSan Juan de Ocotán, Zapopan, Jalisco
México, CP 45010Phone +52-33-3366-57-94
Brazil
DSI Underground BrasilRua Um, 276Distrito Industrial da bela Fama
Nova Lima/MG, Brazil
Phone +55-31-35 42 02 00
Chile
DSI Chile Industrial Ltda.Las Encinas #1387
Valle Grande
Lampa, Santiago de Chile, ChilePhone +56-2-596 96 20
Colombia
DSI Colombia S.A.SCarrera 43A No. 8 sur – 15 Oficina 403Edificio Torre Oviedo
Medellín, ColombiaPhone +57-4-403 12 00
Peru
DSI Peru S.A.C.Calle Rodolfo Beltran No. 947
Lima 1, PerúPhone +51-1-431 3157