3.1 MATERIAL: 3.1.1 BLACK COTTON SOIL: Blackcottonsoilwasgathered from kalyani layout Bhalki. From an open exhuming at a profundityof1.2munderneathearthsurface.Atdeepthesoil isinblackcolor,thepenetrationattributesaredeficientto average. The actual property of the soil is organized in beneathtable
Key Words: Expansive Soil, Soil Stabilization, Scrap Rubber Tyre Powder, Optimum Moisture Content, Maximum Dry Density, CBR Tests, Atterberg’s limits
2. LITERATURE REVIEW
Mr. Rajvinder kaur et al. [2019]: It has done the performanceofblackcottonsoilisstabilizedbyutilizingtyre rubber powder. For the evaluation the exceptional crumb rubberpowderhavebeenselected.Shewasfoundthatthe strengthofblackcottonsoilisincreaseswithexpansionof 10% crumb rubber powder. From the examination, expansionof10%CRPtothesoilincreaseCBRvalue.
Umesh Dhiman et al. (May 2017): performed reviewon black cotton soil mixed with rubber tire chips. The significanceofUCSisgreaterincontrastwiththatofparent soil.ThemaximumUCSvalueof1.75kg/cm2hasbeenseen bysoiltreatedwith18%oftirescrap(R 425µ)passing600µ andheldon425µISsieve.
1. INTRODUCTION Soilisformedbyphysicalorchemicaldisintegrationofrocks and it differs from their parent material in their characteristics.Italsodefinedastheloosematerial which occupiesthesurfaceoftheearthonwhilethefoundationof themostofthestructurewillrest.Soilimprovementinit’s themodificationofanypropertyofasoiltofurtherdevelop its designing exhibition like strength, decreased compressibility, diminished penetrability, or further developed ground water condition. There are different strategiesutilizedfortheimprovementofthesoildependent on the development action and kind of soil. Soils are the mostelementssettledtobuildtheirstrengthanddurability or to save you disintegration and residue preparations in soils.Thepredominantfactoristhemanufacturingofasoil materialorframeworkinanefforttokeepundertheplan usesituationsandfortheplannedlifestylesofthedesigning project.Thepropertiesofsoilshiftanawesomeassociation athigherplacesorinpreciseinstancesevenatonespot;the accomplishmentofsoiladjustmentreliesuponsoilchecking out.Different techniquesareutilized tosettlesoilandthe methodtobevalidatedinthelabwiththesoilobjectpriorto layingitonthesector.
3. MATERIAL AND METHODOLOGY
Rushikesh V. Langote et al. (April 2018): had done the performance of black cotton soil is stabilizing by utilizing waste shredded rubber tyre chips. The test CBR esteems incrementthroughexpansioninpercentageofrubbertire shred and found to be maximum for 8% rubber tyre. The attachmentesteemsextensivelydecreaseswithexpansionin levelofrubbertireshredmaybedueorientationofrubber tyre.
International Research Journal of Engineering and Technology (IRJET) e ISSN: 2395 0056 Volume: 09 Issue: 01 | Jan 2022 www.irjet.net p ISSN: 2395 0072 © 2021, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page653 IMPROVING STRENGTH OF BLACK COTTON SOIL BY USING SCRAP RUBBER TYRE POWDER Madhu 1 , Prof. Mallikarjun Honna 2 , Dr. Vageesha S. Mathada 3 , Vishal. M 4 1PG Student, Department of Civil Engineering, Bheemanna Khandre Institute of Technology Bhalki, India 2Associate Professor, Department of Civil Engineering, BKIT Bhalki, India 3Professor, Department of Civil Engineering, BKIT Bhalki, India. 4Assistant Professor, Department of Civil Engineering, BKIT Bhalki, India. *** Abstract Soil is a base of structure which actually supports the structure from beneath and distributestheloadeffectively, If the stability of the soil is not adequate then failure of structure occur in the form of settlement,cracksetc,Expansive soil like black cotton soil are more responsible for such situations and its due to presence ofmontmorillonite minerals, which has ability to undergolargeswellingandshrinkage.The admixture i.e., scrap rubber tyre powder is blended with unmodified soil in varying different percentage of 0%, 5%, 10%, 15% & 20% to obtain the optimum percentage of admixture required for soil stabilization. The result show that maximum Dry Density and CBR values are improved after addition of scrap rubber tyre powder to the soil. In this comparative study laboratory tests such as Atterberg’s limits. Compaction test and CBR tests were carried out.
C H Kusuma Keerthi et al. (2018): In the investigation challengeismadetostabilizeblackcottonsoilusingscarp rubber tire. From this review it is seen that extensive improvementinCBRofblackcottonsoiltreatedwithscrap rubbertyres.whilethelevelofrubberpowderincreasethe CBResteemdecreaseonlyatrange5%rubberpowdermay giveeffectivedrydensityandwillgivehigherCBRvaluesdry densityandCBRvaluesgoesondecreasingwith10%15% 2%ofrubberpowder.
International Research Journal of Engineering and Technology (IRJET) e ISSN: 2395 0056 Volume: 09 Issue: 01 | Jan 2022 www.irjet.net p ISSN: 2395 0072 © 2021, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page654 3.1.2 SCRAP RUBBER TYRE POWDER: Scrap rubber tyre powder is collected near national tyre retreading mart Nilangaroad,Bhalki.Thetyrewastematerialitcanbeutilized as a light weight material either as chips, powder, crumb, shredded and as entire and its implementation in geotechnical engineering show to be effectual into soil stabilization. 3.2 METHODOLOGY: COTTONTEST(ENGINEERINGPROPERTIES)CONDUCTEDONBLACKSOIL: • Proctorsoilcompactiontest • Californiabearingratio 4. RESULTS & DISCUSSION 4.1 INDEXANDENGINEERINGPROPERTIESOFABLACK COTTONSOIL: Table 4.1: Basic Properties of Black Cotton Soil Fig 4.1.1: Compaction Test for BC Soil Fig 4.1.2: CBR Test of BC Soil 4.2 PROPERTIES OF BLACK COTTON SOIL IS REPLACED BY VARIFYING PROPORTION OF SCRAP RUBBER TYRE TRIALPOWDER1:BLACK COTTON SOIL + 5% OF SCRAP RUBBER TYRETABLEPOWDE4.2.1:Properties of Black Cotton Soil Replaced By 5% Scrap Rubber Tyre Powder Fig 4.2.1: Compaction Test for BC Soil Replaced By 5% of Scrap Rubber Tyre Powder
International Research Journal of Engineering and Technology (IRJET) e ISSN: 2395 0056 Volume: 09 Issue: 01 | Jan 2022 www.irjet.net p ISSN: 2395 0072 © 2021, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page655 Fig 4.2.2: CBR Test for BCS Replaced By 5% of Scrap Rubber Tyre Powder TRIAL 2: BCS + 10% OF SCRAP RUBBER TYRE POWDER Table 4.2.3: Properties of Black Cotton Soil Replaced By 10% of Scrap Rubber Tyre Powder Fig 4.2.3.1: Compaction Test for BCS Replaced By 10% of Scrap Rubber Tyre Powder Fig 4.2.3.2: CBR Test for BCS Replaced By 10% of Scrap Rubber Tyre Powder TRAIL 3: BCS + 15% SCRAP RUBBER TYRE POWDER Table 4.2.4.: Properties of Black Cotton Soil Replaced By 15% Scrap Rubber Tyre Powder Fig 4.2.4.1: Compaction Test for BCS Replaced By 15% of Scrap Rubber Tyre Powder TRIAL 4: BCS + 20% SCRAP RUBBER TYRE POWDER Table 4.2.5: Properties of Black Cotton Soil Replaced By 20% Scrap Rubber Tyre Powder Fig 4.2.5.1: Compaction Test for BCS Replaced By 20% of Scrap Rubber Tyre Powder
International Research Journal of Engineering and Technology (IRJET) e ISSN: 2395 0056 Volume: 09 Issue: 01 | Jan 2022 www.irjet.net p ISSN: 2395 0072 © 2021, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page656 Fig 4.2.5.2: CBR Test for BCS Replaced By 20% of Scrap Rubber Tyre Powder Fig 4.2.5.3: Variation Graph of Liquid Limit Values Fig 4.2.5.4: Variation Graph of Plastic Limit Values Fig 4.2.5.5: Variation Graph of Shrinkage Limit Values Fig 4.2.5.6: Variation Graph of MDD Fig 4.2.5.7: Variation Graph of OMC Fig 4.2.5.8: Variation Graph of CBR Values 5. CONCLUSIONS Soil stabilization method by using scrap rubber tire powdersuccessfullyimprovesandexistingpoorand blackcottonsoil. Scrap rubber tire cost are effective and available locallyprovestobeeconomical. Plastic limit decrease from 30 to 25% for optimum dosagesof10%scraprubbertirepowder. Decreasetheliquidlimitwasobservedfrom58to55% for an optimum dosage of10% of scrap rubber tire powder. Shrinkage limit important factor that influence the volumechangeofsoildecreasefrom6.5%to6.2%of scraprubbertirepowder.
International Research Journal of Engineering and Technology (IRJET) e ISSN: 2395 0056 Volume: 09 Issue: 01 | Jan 2022 www.irjet.net p ISSN: 2395 0072 © 2021, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page657 Due to decrease in porosity caused by addition of admixtureandMDDvalueincreasesfrom1.62g/ccto 1.88g/ccfor10%scraprubbertirepowder. TheOMCvaluedecreasesfrom22%to20%for10%of scraprubbertirepowder. TheMDD& OMC value decreasesgenerallyfor15% scraprubbertirepowder. The load bearing capacity was determine the Californianbearingratio.Duetoincreaseinstrength CBR value increase from 3.15% to 9.86% for scrap rubbertirepowder. REFERENCES 1. Rajvinderkaur,(2019):”Tirerubberpowderasasoil stabilization” 2. C H Kusuma Keerthi (2018):” Performance of stabilization of black cotton soil by using rubber powder”. 3. Rushikesh V.Langote (2017):” Performance of black cottonsoilstabilizationwithscraptireshreds”. 4. Umesh Dhiman (2017):” Performance of soil stabilizationusingscraprubbertire”. 5. P.Arti sudam (2016):” Behavior of soil by using tire powder”. 6. Umar Jan (2015):” Soil stabilization using shredded rubbertire”. 7. B.SriVasavi,(2016):”Performanceonstabilizationof expansive soil by using crumb rubber powder & cement”. 8. Ms. L. Kokila(2017):” Performed on experimental investigationonsoilstabilizerusingrubbercrumbson expansivesoil” 9. Dr.P.Rakaraddi(2014):”Soilstabilizationusingwaste shreddedrubbertire