PPT2- POLYMER CONCRETE-the construction material of xxi century.pptx

7/29/2019 PPT2- POLYMER CONCRETE-the construction material of xxi century.pptx

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WELCOME


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POLYMER CONCRETE

THE CONSTRUCTION

MATERIAL OF XXI

CENTURY

M.MANJULA

ROLL NO :11012D2012


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DEFINITION

Concrete polymermaterials may be defined as

concrete with or without Portland Cement to which has

been added, either in the hardened state or to fresh

concrete during mixing, a chemical system subsequentlypolymerized. The chemical system is generally a liquid

and may be composed of monomers, resins, polymer

solutions, or polymer emulsions, which are converted to

a solid plastic by polymerization.

- CONCRETE MANUAL


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INGREDIENTS:

PRIMARY INGREDIENTS:

SAME AS TRADITIONAL CONCRETE LIKE

- FINE AGGREGATE

- COARSE AGGREGATE

- CEMENT- WATER

ADDITIVES:

- POLYESTER, VINYL ESTER OR NORMAL

EPOXY

- BINDERS- FILLERS LIKE QUARTZ,

LIMESTONE,SANDSTONE

AND DOLOMITE


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THE STRUCTURE OF CROSS-LINK

POLYESTER

STRUCTURE OF SULPHUR

POLYMER CONCRETE

COURTESY:GOOGLE IMAGES


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TYPES OF POLYMER CONCRETE

POLYMER CONCRETE

POLYMER CEMENT CONCRETE

POLYMER IMPREGNATED CONCRETE

PARTIALLY IMPREGNATED POLYMER

CONCRETE


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1.CORRECT SIZING OF

AGGREGATE

2.POLYMER CONCRETE

MIXER

3.MIXER DISPENSER FOR POLYMER

CONCRETE(VOLUMETRIC)

4.AUTOCASTER CONTINUOUS

CASTING MACHINE


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BENEFITS

OFFERS DIFFERENT BENEFITS DEPENDING ONTHE RESINS USED:

- FURAN RESINS WHICH CAN WITHSTAND

HIGH TEMPERATURES

- POLYUREA RESINS WHICH CAN WITHSTANDCORROSION

THE ACRYLIC BINDERS SET VERY QUICKLY ANDOFFER RESISTANCE TO WEATHERING

THE EPOXIES CREATE A VERY STRONG MATERIALTHAT SHRINKS VERY LITTLE AS IT CURES


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WHERE POLYMER CONCRETE IS USED

USED FOR MANY KINDS OF SPECIALISEDCONSTRUCTION PROJECTS

USED TO JOIN TWO DIFFERENT COMPONENTS

USED TO PROVIDE A STRUCTURE OR BASE

USED IN ELECTRICAL OR INDUSTRIAL

CONSTRUCTION WHERE THE CONCRETENEEDS TO LAST A LONG TIME AND BERESISTANT TO MANY TYPES OF CORROSION


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FIGURE SHOWING THE

STRIP SEAL OF POLYMER

CONCRETE FOREXPANSION JOINT

FIGURE SHOWING THE

WEARING SURFACE OF

POLYMER CONCRETE


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PUMPSTATION WHERE

POLYMER CONCRETE IS

USED

CELLS MADE OF

POLYMER

CONCRETE FOR

STORINGELECTROLYTE


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STRENGTH

THE AVERAGE COMPRESSIVE STRENGTH IF BETWEEN 100N/mm2 TO 120 N/mm2.

THE EXACT COMPRESSIVE STRENGTH VARIES DEPENDINGUPON THE BRAND OF POLYMER AND TYPE OF MATERIALUSED AS BINDER:

- POLYMER METHYL METHACRYLATE

CONCRETE HAS A COMPRESSIVE STRENGTH OF

80 N/mm2 AFTER ONE HOUR OF SETTING AND

120 N/mm2 AFTER 7 DAYS OF SETTING

THE FLEXURAL STRENGTH IS BETWEEN 35 N/mm2 AND37N/mm2 AFTER EIGHT HOURS

THE TENSILE STRENGTH IS BETWEEN 18N/mm2 TO20N/mm2 AFTER THE MATERIAL IS ALLOWED TO SET FOR 7DAYS.


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TYPICAL PROPERTIES OF POLYMER-

IMPREGNATED CONCRETE

COMPRESSIVE STRENGTH (lb/in2)

TENSILE STRENGTH (lb/in2)

MODULUS OF RUPTURE(lb/in2)

WATER ABSORPTION, PERCENT

SPECIFIC GRAVITY

HARDNESS,L-TYPE IMPACT HAMMER

ABRASION LOSS,

- INCHES

- WEIGHT LOSS,GRAMS

CONVENTIONAL CONCRETE IMPREGNATED WITH

METHYL METHACRYLATE

COURTESY: TABLE 29 OF CHAPTER VIII

OF CONCRETE MANUAL

PROPERTY U.I.C P.I.C

5300 18200

400 1500

700 2300

6.4 0.30

2.317 2.386

32 52

0.05 0.015

14 4

U.I.C:: - UNIMPREGNATED CONCRETE

P.I.C ::- POLYMER-IMPREGNATED CONCRETE


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PRE FABRICATED OPEN SEWER

FOR WATER COURSE MADE OFPOLYMER CONCRETE

PRE FABRICATED DRAINAGE

CHANNEL MADE OF POLYMER

CONCRETE

COURTESY : ALIBABA.COM


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ADVANTAGES

MAIN ADVANTAGEOUS PROPERTY IS ITSRESISTANCE TO A WIDE RANGE OF SOLVENTS ANDOILS.

IT IS RESISTANT TO ACIDS WITH A PH LEVEL

RANGING FROM 0 TO 14 LIKE HYDROCHLORICACID, FOMIC ACID, ACETIC ACID,CHLORIDES ANDAMMONIUM SULPHATE.

IT DOESNOT CORRODE IN THE PRESENCE OF

HYDROCARBONS SUCH AS ACETONE, GASOLINE,ETHANE, METHANOL, PETROLEUM, DIESEL ANDVEGETABLE OILS.

THIS TYPE OF CONCRETE OFFERS EXCELLENTRESISTANCE AGAINST WATER.


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BRICKFORM TEXTURED

TILES

MANHOLE COVERS

GARDEN STRUCTURES


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DISADVANTAGES

POLYMER CONCRETE CANNOT BE MIXED

BEFOREHAND.

IT MUST BE MIXED VERY PRECISELY AND

VERY THOROUGLY.

THE CHEMICALS USED CAN BE VERY

DANGEROUS AND EVERY ONE NEARBY MUST

WEAR MASKS AND SKIN PROTECTION.

EVEN IF THE RESINS USED ARE NOT VERY

DANGEROUS, THE SMELL OF THE RESINS IS

UNBEARABLE .


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CONCLUSIONS

THE POLYMER CONCRETE IS REFERRED AS THE CONSTRUCTION MATERIAL OF XXI CENTURY OWING TO

THEIR OUTSANDING PERFORMANCE . RESEARCH CARRIED OUT COOPERATIVELY SINCE 1966 BY THE BUREAU

OF RECLAMATION AND THE FORMER OFFICE OF SALINE WATER, THE BROOKHAVEN NATIONAL LABORATORY,

AND THE ATOMIC ENERGY COMMISSION HAS INDICATED THAT IMPREGNATION AND POLYMERIZATION

PROCESSES HAVE INDUCED SUBSTANTIALLY IMPROVED STRUCTURAL AND DURABILITY PROPERTIES IN

POLYMER-IMPREGNATED CONCRETE FORMED AS COMPARED TO THE CONVENTIONAL CONCRETE.

THE MAXIMUM INCREASE IN STRENGTH IS UPTO ALMOST FOUR TIMES HAVE BEEN OBTAINED

WATER PERMEABILITY HAS BEEN REDUCED TO NEGLIGIBLE VALUES AND WATER ABSORPTION HAS BEEN

DECREASED BY AS MUCH AS 95 PERCENT.

FREEZE-THAW RESISTANCEHAS BEEN GREATLY IMPROVED, AS HAS CORROSION RESISTANCE TO DISTILLED

WATER, SULPHATE SOLUTION, AND ACID

OWING TO THE PROPERTY OF POLYMER CONCRETE TO APPEAR AS NATURAL STONE BUT DEVOID OF

HEAVINESS AND EASY CONSTRUCTION , IT IS EXTENSIVELY USED FOR BEAUTIFICATION WORKS LIKE PAVING

SLABS, TEXTURED BRICKWORK, FLOOR TILES, GARDEN FURNITURE AND OTHER MODERN CONSTRUCTIONS.


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REFERENCES

1) FRANTISEK SKVARA AND OTHER FACULTY OF CIVIL

ENGINEERIN, CZECH TECHNICAL UNIVERSITY IN

PRAGUE GEOPOLYMER CONCRETE AN ANCIENT

MATERIAL TOO? SUBMITTED IN JUNE 2008 AND

ACCEPTED IN SEPTEMBER , 2008.

2) THE CONCRETE MANUAL, A WATER RESOURCES

TECHNICAL PUBLICATION OF THE U.S DEPARTMENT

OF THE INTERIOR WATER AND RESOURCES SERVICE.


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THANK YOU

Documents

PPT2- POLYMER CONCRETE-the construction material of xxi century.pptx