Studi kekuatan tekan mortar yang dibuat dari campuran pasir sungai, bubuk pumice, dan semen portland tipe II terhadap ketahanan air laut / Yovi Pramusinta
| Main Author: | Pramusinta, Yovi |
|---|---|
| Format: | Thesis NonPeerReviewed |
| Terbitan: |
, 2018
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| Subjects: | |
| Online Access: |
http://repository.um.ac.id/45392/ |
Daftar Isi:
- ABSTRACTPramusintaYovi.2017.MortarPressStrengthStudyOfRiverSandMixPumicePowderandPortlandTypeIICementAgainstSeaWaterEffect.ThesisDepartmentofCivilEngineeringFacultyofEngineeringMalangStateUniversity.Advisor(I)Drs.SonnyWedhantoM.T(II)Ir.EdiSantosoM.T.KeywordsseawaterpumicemortarSeveralpreviousstudieshaveconcludedthataddingpumicestoneonmortarmixescanincreasemortarresistancetoseawater.Thisstudyaimstodeterminethechemicalcompositionofpumiceandriversandandtheeffectofgivingpumiceonwaterabsorption.InadditionthisstudyalsoevaluatethecompressivestrengthofmortargivenadditionalpumiceafterbeingexposedtotheinfluenceofseawaterthechemicalcompositionofthemortarwhichaddedpumiceifexposedtotheinfluenceofseawaterandbondsofmortarmoleculeswhichaddedextrapumiceafterexposuretoseawaterSampleofmortarcubesize555cm3mixedcomposition1cementPPC3sandbasedonweightratiowithwatertocementratio0485.Usingtwotypesofmortarwhichisaddedwithapumiceof510and15%byweightofsandandmortarwithoutbeinggivenpumiceasacontrolgroup.Eachtreatmentused20specimenstreatmentbysoakingthesampleintotheseawaterfor2845and60daysthenletitdryperfectlynaturalbyair.TestingofcompressivestrengthusingHydraulicCementCompressorStrengthPackingcapacityof100kNwith0.1kNaccuracy.Theresearchresults(1)PumiceusingrelativelyhighSiO2contentreaching44.5%(2)Thesandusedcontains(Si)of24.6%(3)Themortarabsorptionvaluewithanadditionalaveragepumiceincreasedby7.06%ofnormalmortar(withoutadditionalpumice).(4)Mortarcompressivestrengththatoccursinmortargivena5%pumicemixture(MP1)aftersoakinginseawaterfor45daysreaching31.26MPathelowestcompressivestrengthisthemortargiven15%pumicemixture(MP3)aftersoakingfor28daysusingseawaterthecompressivestrengthis10.79MPa(5)ThelongerthemortarissoakedinseawatercausingthesmallerCaelementwhichpressthecompressivestrengthofthemortardecreases(6)Thelongeritisimmersedintheseawaterthemortarstructurewillexperiencethetensioninwhichthemortarisbrokenbyitself.