International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 12 Issue: 02 | Feb 2025 www.irjet.net p-ISSN: 2395-0072
STUDY ON STRENGTH PAREMETER OF CEMENT MORTAR USING FLY
ASH AND GRANITE FINES
Manjunath K1 , Md Sameer2 , Bheemu Nayak3, Gangadhar4, Md Waseem Akram5
1Assistant Professor, Dept. of Civil Engg, Veerappa Nisty Engineering College, Shorapur, Yadgir, Karnataka, India 2,3,4,5UG Student Department of Civil Engineering, Veerappa Nisty Engineering College, Shorapur.
Abstract:
The present study was carried out for 1:3 ratio of cement mortarreplacingcementbyflyashatconstantpercentageof 25% and granite fines replaced by fine aggregate varying percentages of 0%, 10%, 20%, 30%, 40%, and 50%. The resultsconcludesthatthemaximumcompressivestrength wasobtained10%ofgranitefineandafter10%ofgranite finesgoesonreduced.
1.INTRODUCTION
Cementmortarisabuildingcompoundcreatedby mixingsandandaselectionofaggregateswithaspecified amountofwater.Themortarcanbeusedfora numberof applications,suchasplasteringoverbricksorotherformsof masonry. The huge demand for mortar and concrete has made this natural resource to get impoverished hence massivequantitiesofcementneedstobeannuallyproduced This production leads to pollute the environment by releasingsignificantquantitiesofCO2 emissionandonthe other hand extraction of river sand in excess has conspicuousenvironmentalimpacts Largequantityoflike fly ash, and many other types of ashes and powder form materials is being produced every day leading to many environmentalproblems.Lotofresearchhasbeencarried out to use alternative material in cement mortar and concrete so as to satisfy various properties. Granite fine powder is one such alternative material which can be effectivelyusedtoreplacementforcementandmanufacture sand.
Fineaggregateisthemostpopularbuildingmaterialinthe world.ConstructionIndustrycontributeshugeamountsto Indian economy and Fine aggregate is one of the best materials used in construction. The ingredients used in it includeCement,Sand,GravelandWater.Now-a-dayssandis noteasilyavailable.Theworldwideconsumptionofsandas fine aggregate in concrete production is very high, and severaldevelopingcountrieshaveencounteredsomestrain inthesupplyofnaturalsandinordertomeettheincreasing needs of infrastructural development in recent years. A situationthatisresponsibleforincreaseinthepriceofsand, andthecostofconcrete.Expensiveandscarcityofriversand which is one of the constituent materials used in the production. The use of Crushed Granite Fine (CGF) as an
alternativetonaturalsand.TheGranitefinesuseupto10%, 20%,30%,40%and50%asapartialreplacement.
1.1 OBJECTIVES OF THE STUDY
In this present study the granite fine is using as an alternative material for sand and fly ash is using as alternativesforCementincementmortarratioof1:3.
Thefollowingobjectivesoftheproposedworkare
1. Themainobjectistofindasuitableandeconomical alternativeforsandincementmortarwithrequire strength.
2. Tostudythephysicalpropertiesofmaterialssuch asspecificgravity,fineness,initialsettingandfinal settingtimeofcementetc.
3. To study the Compressive strength behaviour of cement mortar with and without alternative material.
2. MATERAILS PROPERTIES
2.1 MATERIALS USED
Cement
Fineaggregate
ReplacementofGranitefines(partialreplacementof 10%,20%,30%,40%and50%)
Water
Flyash(replacement0f25%constant)
1. Cement
The material of cement were used in OrdinaryPortlandCement(OPC)43gradeisused.
Table 1: PhysicalpropertiesofCement
S. No. Properties of Cement Result
2.Fineaggregate
Sand collected from nearby river is used for this project.
International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 12 Issue: 02 | Feb 2025 www.irjet.net p-ISSN: 2395-0072
Table 2: Propertiesoffineaggregate
1
2 SieveAnalysis
3.GraniteFine
For this study Granite cutting dust obtain from locallyavailable.
Table 3: Propertiesofgranitefine
Chart 1:compressivestrength
Table 6: Testofcuringafter7days
4.Water
Water is an important ingredient of the Cement mortaritactuallyparticipatesinthechemicalreactionwith cement.Ingeneralwaterfitfordrinkingpurposeissuitable formixing.
5.Flyash
For this study Karnataka Power Transmission CorporationLimited(KPTCL)FlyAshobtainfromRaichur, Karnataka.
Table 4: ReplacementforCementandSand
3.RESULTS AND
Table 5: Testofcuringafter3days
Chart 2:Compressivestrength
Table 7: Testofcuringafter14days
International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 12 Issue: 02 | Feb 2025 www.irjet.net p-ISSN: 2395-0072
Chart3:Compressivestrength
Table 8: Testofcuringafter24days
Sample No Granite
Chart 4: Compressivestrength
Fromtheabovechart1,2,3,and4itisobservedthatfor10% of granite fines gives maximum strength after that the percentageofgranitefineincreasestrengthgoesondecrease incementmortar.
FUTURE SCOPE OF THE STUDY
Thepresentstudycarriedoutforcementmortar1:3 ratio and for further study the ratios can be changes with samepercentageofreplacementofflyashandgranitefine forcementandfineaggregaterespectively.Forfurtherstudy insteadofusinggranitesfineothermineraladditivescanbe
used for replacement for fine aggregate with varying in percentages and the fly ash can be replace varying in percentageasfurtherinreplacementforcementincement mortaralsoothertypesadditivescanbeusedsuchasmarble powder.
4. CONCLUSIONS
The experimental results concludes that the study focuses the relative performance of mortar by using the Granitepowderaspartialreplacementofthenaturalsand and fly ash as partial replacement of cement. From the laboratory study, it can be concluded that the Granite powder is well appropriate for normal sand up to certain limits. And it has better performance as compared to the sand. It is also concluded that the fly ash can be used as cementreplacementtocertainlimits.
As observed by this study the maximum compressive strength obtained at 10% of granite finesasareplacementforfineaggregate
As the percentage of granite fines increase the strengthgoesondecreaseafter10%ofgranitefines forreplacementforfineaggregate.
Due the presence of fly ash and granite fines percentageincreasereducetheworkabilityofmix wasobserved.
Bythisstudytheflyashcanbereducetheusageof cementitcanreducethecarbonfootprint.
It can also use in future for various wall construction works using mortar, which includes determiningcompressivestrengthparameters.
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International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 12 Issue: 02 | Feb 2025 www.irjet.net p-ISSN: 2395-0072
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