?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+ABU+SEKAM+SEBAGAI+BAHAN+PENGGANTI+SEJUMLAH%0D%0ASEMEN+TERHADAP+KUAT+TEKAN+DAN+KUAT+LENTUR+PADA%0D%0ABETON+REAKTIF+(REACTIVE+POWDER+CONCRETE)&rft.creator=Mufidah+Aulia+Annisa%2C+1415011098&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.subject=690+Pembangunan+gedung&rft.description=Kualitas+beton+dapat+ditentukan+dari+komposisi+adukan%2C+jenis+bahan%2C+dan+cara%0D%0Aperawatan.+Beton+reaktif+adalah+salah+satu+jenis+beton+mutu+tinggi+yang+komposisinya%0D%0Amengandung+banyak+semen+dan+bahan+sangat+halus+lainnya+serta+di+rawat+dengan%0D%0Acara+pemanasan.+Abu+sekam+padi+yang+mengandung+senyawa+silika+juga+berpotensi%0D%0Auntuk+bahan+adukan+beton+reakif.%0D%0APenelitian+ini+dilakukan+pada+variasi+prosentase+abu+sekam+sebagai+pengganti%0D%0Asejumlah+semen+(0%25%2C+10%25%2C+20%25%2C+30%25%2C+dan+40%25)+dan+cara+perawatan+benda+uji%0D%0Aprisma+40+x+40+x+160+mm+(pemanasan+suhu+pada+180o%2C+perawatan+uap+air+panas+pada%0D%0A90+o%2C+dan+perendaman+dalam+air).+Pengujian+kuat+lentur+pada+umur+7+hari+dan+kuat%0D%0Atekan+pada+umur+7+hari+dan+28+hari%0D%0AHasil+pengujian+menunjukan+bahwa+kuat+lentur+optimum+16%2C+48+MPa%0D%0Adiperoleh+dari+komposisi+10%25+abu+sekam+dan+perawatan+uap+air+panas.+Kuat+tekan%0D%0Aoptimum+juga+diperoleh+dari+perawatan+uap+air+panas%2C+namun+pada+komposisi+30%25%0D%0Aabu+sekam%2C+yaitu+37%2C54+MPa+umur+7+hari+dan+54%2C44+MPa+umur+28+hari.+Dengan%0D%0Ademikian+abu+sekam+dapat+digunakan+untuk+bahan+pengganti+sebagian+semen+dalam%0D%0Akomposisi+beton+reaktif+dengan+perawatan+uap+air+panas.%0D%0AKata+kunci+%3A+beton+mutu+tinggi%2C+beton+reaktif+%2C+reactive+powder+concrete%2C+abu+sekam%2C%0D%0Akuat+tekan%2C+kuat+lentur.%0D%0AThe+quality+of+concrete+can+be+determined+by+mixture+composition%2C+type+of%0D%0Amaterial%2C+and+treatment+method.+Reactive+powder+concrete+is+one+of+high+quality%0D%0Aperformance+concrete+containing+a+lot+of+cement+and+fine+powders+which+needs+a+heat%0D%0Atreatment.+Rice+husk+ash+containing+silica+compounds+has+a+potential+to+be+used+in%0D%0Aconcrete+mixtures.%0D%0AThis+research+was+conducted+with+the+percentage+variation+of+rice+husk+ash%0D%0Ainstead+of+cement+(0%25%2C+10%25%2C+20%25%2C+30%25%2C+and+40%25)+and+the+treatments+method+were%0D%0Aapplied+on+prism+samples+with+dimension+of+40+x+40+x+160+mm+(180o+heating%0D%0Atemperature%2C+90+o+steam+treatment%2C+and+water+treatment).+The+flexural+strength+test%0D%0Awas+conducted+at+7+days+and+the+compressive+strength+was+tested+at+7+days+and+28%0D%0Adays.%0D%0AThe+test+results+show+that+the+optimum+flexural+strength+was+16.48+MPa%2C%0D%0Aobtained+from+the+composition+of+10%25+rice+husk+ash+with+steam+treatment.+The%0D%0Aoptimum+compressive+strength+was+also+obtained+by+the+steam+treatment%2C+but+on+the%0D%0Acomposition+of+30%25+rice+husk+ash%2C+which+are+37.54+MPa+at+7+days+and+54.44+MPa+at%0D%0A28+days.+It+is+concluded+that+rice+husk+ash+can+be+used+as+a+substitute+for+some+cement%0D%0Ain+the+composition+of+reactive+powder+concrete+with+steam+treatment.%0D%0AKeywords%3A+reactive+powder+concrete%2C+rice+husk+ash%2C+compressive+strength%2C+flexural%0D%0Astrength.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56400%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56400%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56400%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Mufidah+Aulia+Annisa%2C+1415011098++(2019)+PENGARUH+ABU+SEKAM+SEBAGAI+BAHAN+PENGGANTI+SEJUMLAH+SEMEN+TERHADAP+KUAT+TEKAN+DAN+KUAT+LENTUR+PADA+BETON+REAKTIF+(REACTIVE+POWDER+CONCRETE).++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56400%2F