Eksperimentasi rasio semen-fly ash terhadap sifat fisik dan mekanik beton HVFA-SCC (High Volume Fly Ash-Self Compacting Concrete) yang menggunakan bahan tambah (admixture) / Dema Andra Varisa
| Main Author: | Varisa, Dema Andra |
|---|---|
| Format: | Thesis NonPeerReviewed |
| Terbitan: |
, 2017
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| Subjects: | |
| Online Access: |
http://repository.um.ac.id/45324/ |
Daftar Isi:
- ABSTRAKVarisaDemaAndra.2017.EksperimentasiRasioSemenFlyAshTerhadapSifatFisikdanMekanikBetonHVFA-SCC(HighVolumeFlyAshSelfCompactingConcrete)yangMenggunakanBahanTambah(Admixture)SkripsiProgramStudiS1TeknikSipilFakultasTeknikUniversitasNegeriMalang(UM).Pembimbing(I)Drs.BoedyaDjatmikaS.T.M.T.(II)Drs.Ir.SudomoM.M.T.KatakunciflyashsifatfisiksifatmekanikHVFA-SCC.Untukmengurangipenggunaansemenperludilakukanpenggunaanbahanalternatifyangramahlingkungansalahsatunyayaitupemanfaatanflyash.BetonHVFA-SCC(HighVolumeFlyAshSelfCompactingConcrete)merupakanbetonyangmenggunakanflyashlebihdari50%totalvolumebindersebagaibahanpengisinya.Betoninimampumemadatsendiritanpamemerlukanprosespenggetaransepertipadabetonnormal.PermasalahandalampenelitianiniadalahbagaimanahasilsifatfisikdanmekanikbetonHVFA-SCCdengankadarflyash40%55%70%dan85%.Kemudianberapakahkadarflyashoptimumyangmenghasilkanmututerbaikdenganbahantamabah(admixture)ditinjaudarivariasiumurbeton.Metodeyangdigunakandalampenelitianiniadalahmetodeeksperimen.Dalampenelitianinibahantambahyangdigunakanadalahsuperplasticizerdanbetonmixdenganflyashyangbervariasimulaidari40%55%70%dan85%.PengujiansifatfisikHVFA-SCCdilakukanterhadapsifatsegarberatvolumedanporositas.SedangkanpengujiansifatmekanikHVFA-SCCberupakuattekankuattarik-belahdanmoduluselastisitasbeton.HasilpenelitianmenunjukkansifatfisikHVFA-SCCbahwasemakinbesarkadarflyashberpengaruhterhadapsifatsegarbeton.Berdasarkanpengujianberatvolumebetonberatbetonpadakadarflyash55%yaitu2410kg/m3kemudianmenurunpadakadarflyash85%sebesar2350kg/m3.Berdasarkanpengujianporositaspadakadarflyash85%sebesar1013%kemudianmeningkatpadakadarflyash55%sebesar940%.HasilpenelitianmenunjukkansifatmekanikHVFA-SCCbahwakuattekanpadakadarflyash55%padaumur28hariyaitu1615Mpakemudianmenurunpadakadarflyash85%sebesar1022Mpa.Berdasarkanpengujiankuattarik-belahbahwapadakadarflyash55%yaitu1151Mpakemudianmenurunpadakadarflyash85%sebesar674Mpa.Berdasarkanpengujianmoduluselastisitasdidapatkanhasilpadakadarflyash55%yaitu2018389Mpakemudianmenurunpadakadarflyash85%sebesar1677091Mpa.BerdasarkanvariasikadarflyashumurbetonpengujiansifatfisikdanmekanikbahwakadarflyashoptimumpadabetonHVFA-SCCyaitupadakadarflyash55%.ABSTRACTVarisaDemaAndra.2017.TheExperimentationofCementFlyAshRatioonthePhysicalandMechanicalCharacteristicsofHVFA-SCC(HighVolumeFlyAshSelfCompactingConcrete)usingAdmixture.ThesisS1CivilEngineeringFacultyEngineeringMalangStateUniversity(UM)Mentor(I)Drs.BoedyaDjatmikaS.T.M.T.(II)Drs.Ir.SudonoM.M.TKeywordsflyashphysicalcharacteristicsmechanicalcharacteristicsHVFA-SCCTodecreasecementusingweneedtouseenvironmentallyfriendlyalternativematerialsoneofwhichisusingflyash.HVFA-SCC(highvolumefly-ashselfcompactingconcrete)isidentifiedasaconcretethatusesfly-ashmorethan50%bindervolumetotalasfillermaterial.Concreteisabletosolidifyitsselfwithoutwibrationprocessaslikenormalconcrete.TheproblemofthisthesisishowtheresultphysicalpropertiesandmechanicalHVFASCCwithflyashlevel40%55%70%and85%andthenwhatisthelevelofflyashoptimumthatproducesbestqualitywithadmixturereviewedfromthevariationofconcreteage.Themethodeuseinthisthesisisexperimental.Theadmixtureusedissuperplasticizerandbotanmixwithflyashvaryingfrom40%55%70%and85%.TestingofphysicalpropertiesofHVFASCCdonetowardfreshnaturevolumeweightandporosity.WhilethetestingthetestingofmechanicalpropertiesofHVFASCCformscompressivestrenghttensilestrenghtandmoduluselasticityofconcrete.TheresearchresultofphysicalpropertiesofHVFA-SCCshowsthatthebiggerofflyashleveltakeseffectofthelevelflyash55%is2410kg/m3thenitdecreasesonthelevelofflyash85%is2350kg/m3.Accordingtoporosityonthelevelofflyash85%isthat1013%thenItincreasesonthelevelofflyash55%isthat940%.TheresearchresultofmechanicalpropertiesofHVFASCCshowsthatcompressivestrenghtonthelevelofflyash55%onthe28daysis1015Mpathenitdecreasesonthelevelofflyash85%is1022Mpa.AccordingtothetestingoftensilestrenghtItshowsthatthelevelofflyash55%is1151MpaandthenItdecreasesonthelevelofflyash85%isthat674Mpa.Accordingtomodulusmoduluselasticitytestingittakestheresultonthelevelofflyash55%isthat2018389Mpathenitdecreasesonisthelevelofflyash85%isthat1677091Mpa.AccordingtoflyashvariationlevelconcreteagetestingofphysicalandmechanicalpropertiesthatisthelevelofflyashoptimumonHVFA-SCCisonflyash55%.