AN EXPERIMENTAL STUDY OF PARTIAL REPLACEMENT OF DEMOLITION WASTE IN FLY ASH BRICK

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AN EXPERIMENTAL STUDY OF PARTIAL REPLACEMENT OF DEMOLITION WASTE IN FLY ASH BRICK

Saradha.P1 , Dr.K.Vidhya2

1Assistant Professor, Department of Civil engineering, Mahendra Engineering College, Namakkal-637 503, Tamilnadu, India,

2Professor, Department of Civil engineering, Mahendra Engineering College, Namakkal-637 503, Tamilnadu, India ***

Abstract

The earth blocks are fabricated by consuming the dirt which causes arrival of CO2. Thus these block flotsam and jetsam were gathered and are transformed into a helpful item. The flotsam and jetsam is squashed physically and by utilizing IS sifters examination. These squanders are included as one of the fixing in the assembling of the blocks with concrete as the coupling material. The crude materials utilized for this venture is fly debris, development flotsam and jetsam,stoneresidueandconcrete.Therockdustisutilizedtoupgradetheregularblend,toachievetheobjectivequality bysupplantingtheflotsamandjetsamwith22,25,30and35%ofstoneresidue.Theblendproportionisproportionedfor qualityandthetestoutcomesarearrangedandarecontrastedandthetraditionalmudblocks.

Introduction:

Block is the most significant material in development ventures. The capacity or dumping of the development flotsam and jetsam is the blending issue in the strong wasteadministration.Theearthorsoilaccessibleforthe production of the blocks. Simultaneously the farming relies upon the amount and natureof the dirt for any of itsitems.Ontheoffchancethatthedirtissingedforthe production of the blocks, it can't be reused for agribusiness.Theconsumedsoilwouldbecomenonbiodegradable material. According to the outcomes it is unmistakably seen that there is expanding in compressivequalityandwateringestiontest.

Review of Literature

1. An Experimental investigation on Recycling of Bricks (2018):

This paper manages the production of blocks from the development squanders , particularly blocks. The crude materials utilized for this task is development flotsam and jetsam, quarry residue and concrete. The quarry dust is utilized to advance the regular blend, to achieve the objective quality by supplanting the trash with 5, 10, 15 and 20 % of quarry dust. The blend proportion is proportioned for quality and the test outcomes are classified and are contrasted and the traditionaldirtblocks.

2. Experimental Study on Bricks by Using Demolished Construction Material (2018):

The measure of C and D squander created in the nationhasexpandedextensivelyasoflatebecauseoffast paceofadvancement.Thistaskisexceptionallyvaluable asitiseco-accommodatingtotheearth.CandDmaterial comprises for the most part of dormant and nonbiodegradable material, for example, solid, mortar, metal, plastics and so on. It is assessed that the development segment in India produces around 10-12 million tons of squanders yearly, It is all the more regularlydumpedinopenandlow-lyingregions;bethat as it may, later acknowledgment of the potential for redirection of waste segments from landfills has laid C&D squander turning into a subject of enthusiasm for reusing

3. Reusability of Construction & Demolition waste in bricks (2017):

Buildingupapracticaldevelopmentmaterialutilizing development and destruction (C&D) squander by preoccupation of C&D squander from the principle squander stream can help in increasing a considerable zone ofland.This volume isreliedupontoincrementto 6billiontonsareproduceat2025,soitwilldecreasedby reusing reason. The investigation focused on the utilization of elective material crushed or reused squander)fornewdevelopmentwhichisambushedwith ordinary waste as far as trash, dust, refuse and so forth. Oneofthe(significantendsdrawnfromtheinvestigation isthattheC-typeblockhavingacompressivequalityof

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Table No:3.1 Physical Properties Of Cement

METHODOLOGY

Literature review

Selection of material

Collection of material

Material testing

Specimen preparation

Testing of specimen

Result and Discussion

Conclusion

3. MATERIALS USED

3.1 Cement

The customary Portland concrete of 53 evaluationsaccessibleinnearbymarketisutilizedinthe examination concrete comes in different kinds and concoction creations. "Standard Portland cement"53 Mega Pascal evaluation of concrete is utilized for concrete. The properties of concrete are utilized for block.

S.NO PROPERTIES VALUES

1 Fineness 9% 2 Initialsettingtime 38min 3 Finalsettingtime 2.30hours 4 Standardconsistency 31.5% 5 Soundness 3mm

3.2 Fly ash

Fly debris is finely partitioned buildup coming about because of the ignition of powdered coal and shipped by pipe gases and gathered by electrostatic precipitator.

ASTMextensivelyarrangesflydebrisintotwoclasses:

Fly debris ordinarily created by consuming anthracite or bituminous coal, as a rule has under 5% Cao. Class F fly debris has pozzolanic properties as it were. Fly debris typically created by consuming lignite orsub-bituminouscoal.

Some class C fly debris may have Cao content in overabundanceof10%

Fig 3.2 Fly ash

Table No: 3.2 Physical Properties Of fly ash

S.No PROPERTIES VALUES 1 Fineness 6% 2 SpecificGravity 2.6

3.3 Granite dust

Fig 3.1 Cement

Stone residue is a waste material delivered during cutting and cleaning procedure of rock items. This exploration work presents a trial examination on physical, mechanical properties and support consumption obstruction of cement adjusted with rock

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dust.Stoneresidueconcretesubstitutionorexpansionof 5.0%,7.5%,10.0%and15.0%wereutilized.

also. Then crushed debris as sieved in 600 micron. The project includes optimization of the mix, addition of the granite dust with the optimized mix and then tested for compressivestrength,waterabsorptionandweight.The debris is collected from the various locations. Then the debris is crushed manually and the required grain sizes are obtained. Then the blocks are casted in the moulds forthedecidedmixproportionandaretested

3.4 C&D waste:

Fig 3.3 Granite dust

The waste building materials, dredging materials, tree stumps, and rubble resulting from construction, remodeling, repair and demolition of homes , commercial buildings and other structures and pavements may All such activities are generating the huge amount of waste, called the Construction and Demolition waste. Disposal of such debris in a safe environment is a big challenge for the builders, developers, and owners. Reduction of this demand is possible only with the reusing or recycling of waste generatedfromtheconstructionactivities.

Fig 3.4 C and D waste

Table No: 3.4 Physical Properties of C and D waste

4. Specimen Preparation

The brick debris were collected, crushed and sieve d man ually or by usin g mac hine

Fig 4.1 Casting of brick

5. Curing of bricks:

Brick is curing in 7, 14, 28 days. After the second day, waterissprinkledoverthebricksandisdriedfor3days only to sale the bricks. Mostly the bricks are used in buildingconstruction.

Fig 5.1 Curing of brick

5.2

Compressive strength test:

Thepressurequalityofflydebrisblockismultipletimes more prominent than the ordinary dirt block. The base compressive quality of fly debris block is 3.5 N/mm2.So as the fly debris block has compressive quality of 10-12 N/mm2.After the relieving time frame gets over blocks aresavedfortesting.Totesttheexamplestheblocksare putintheadjustedcompressivetestingmachineoflimit 3000KN applied a uniform burden at the pace of 2.9KN/mm2

Fig 5.2 Compressive the brick

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5.3 Water absorption test:

Block is stove dried for 24 hours and weighted. At that point inundated in water for a time of 24 hours. The example are taken out and cleaned with fabric The heavinessofeveryexampleinwetconditionisresolved.

Fig 5.3 Water Absorption test

Table No: 5.2 Water absorption test

MIX 14 days (%) 21 days (%)

Proportion 1 572 439

Proportion 2 786 556

Proportion 3 7.25 3.36

Proportion 4 995 440

Proportion 5 1095 1014

CONCLUSION

The present research replicates the effect of products like fly ash, C&D waste added in fly ash oncompressive strength of brick and the following results were obtained.

1) The bricks are tested for both material characteristics and strength. The compressive strength varied from 6 to10 N/mm2 for different mixratios.

2) The significance of C&D waste added in fly ash brick is that the is prepared purely by the waste materials from the industries which will be pollutingtheatmospherewhiledumping.Alsowe can safe guard the top crust of the earth (clay) willbeverymuchnecessaryfortheagriculture.

3) Thus from this study it is concluded that fly ash bricks prepared from waste materials like C&D wasteandGranitewastearealmost equivalentto normal fly ash bricks for mix ratio[Fly ash: C&D waste:Cement:Granitedust]-[50:30:10:10].

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