?url_ver=Z39.88-2004&rft_id=1815011048&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KUAT+TEKAN+BETON+MUTU+TINGGI+DENGAN+MEMANFAATKAN+FLY+ASH+DAN+SILICA+FUME+SEBAGAI+BAHAN+PENGISI&rft.creator=Rivaldo+Hartono+Putra%2C+1815011048&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Mengingat+limbah+sisa+hasil+pembakaran+batu+bara+(fly+ash)+meningkat+setiap+%0D%0Atahunnya+dan+dapat+menyebabkan+dampak+lingkungan+yang+cukup+membahayakan+%0D%0Aterutama+pada+polusi+udara+dalam+kehidupan+sekitar%2C+maka+perlu+dilakukan+%0D%0Apemanfaatan+fly+ash+sebagai+bahan+campuran+beton.+Dalam+penelitian+ini%2C+penulis+%0D%0Aakan+melakukan+pemanfaatan+fly+ash+sebagai+bahan+pengganti+sebagian+semen+dan+%0D%0Asilica+fume+sebagai+bahan+tambah+untuk+meningkatkan+waktu+setting+time.+Variasi+%0D%0Afly+ash+yang+digunakan+adalah+0%25%2C+5%25%2C+10%25%2C+dan+15%25+dari+berat+total+semen+dan+%0D%0Avariasi+silica+fume+yang+digunakan+adalah+5%25+dan+10%25+dengan+waktu+pengujian+%0D%0Abeton+berumur+28+hari+dan+60+hari+serta+ditambahkan+superplasticizer+sebesar+0%2C5%25+%0D%0Adari+berat+semen.+Berdasarkan+analisis+data+penelitian%2C+didapatkan+bahwa+terjadi+%0D%0Apeningkatan+kuat+tekan+beton+antara+beton+yang+memiliki+kandungan+fly+ash+dan+%0D%0Asilica+fume+terhadap+beton+tanpa+kandungan+fly+ash+dan+silica+fume.+Kuat+tekan+%0D%0Abeton+terbesar+terjadi+pada+penambahan+fly+ash+sebesar+15%25+dan+silica+fume+5%25+%0D%0Adengan+nilai+kuat+tekan+pada+umur+28+hari+sebesar+41%2C48+MPa+dan+pada+umur+60+%0D%0Ahari+sebesar+47%2C03+MPa.+Hal+ini+menunjukan+bahwa+kadar+fly+ash+15%25+dan+kadar+%0D%0Asilica+fume+5%25+adalah+kadar+optimum+penambahan+fly+ash+dan+silica+fume+untuk+%0D%0Aumur+beton+28+hari+dan+60+hari.+%0D%0AKata+Kunci+%3A+fly+ash%2C+kuat+tekan%2C+silica+fume%0D%0AConsidering+that+the+waste+from+burning+coal+(fly+ash)+increases+every+year+and+%0D%0Acan+cause+quite+dangerous+environmental+impacts%2C+especially+on+air+pollution+in+%0D%0Asurrounding+life%2C+it+is+necessary+to+use+fly+ash+as+a+concrete+mixture.+In+this+study%2C+%0D%0Athe+author+will+use+fly+ash+as+a+partial+replacement+for+cement+and+silica+fume+as+%0D%0Aan+added+material+to+increase+the+setting+time.+Variations+of+fly+ash+used+were+0%25%2C+%0D%0A5%25%2C+10%25%2C+and+15%25+of+the+total+weight+of+cement+and+variations+of+silica+fume+used+%0D%0Awere+5%25+and+10%25+with+a+test+time+of+28+days+and+60+days+of+concrete+and+added+a+%0D%0Asuperplasticizer+of+0%2C+5%25+by+weight+of+cement.+Based+on+the+analysis+of+research+%0D%0Adata%2C+it+was+found+that+there+was+an+increase+in+the+compressive+strength+of+concrete+%0D%0Abetween+concrete+containing+fly+ash+and+silica+fume+to+concrete+without+fly+ash+and+%0D%0Asilica+fume.+The+greatest+compressive+strength+of+concrete+occurred+in+the+addition+%0D%0Aof+15%25+fly+ash+and+5%25+silica+fume+with+a+compressive+strength+value+of+41.48+MPa+%0D%0Aat+the+age+of+28+days+and+47.03+MPa+at+the+age+of+60+days.+This+shows+that+the+fly+%0D%0Aash+content+of+15%25+and+the+silica+fume+content+of+5%25+are+the+optimum+levels+of+%0D%0Aaddition+of+fly+ash+and+silica+fume+for+the+concrete+age+of+28+days+and+60+days.%0D%0AKey+words+%3A+fly+ash%2C+compressive+strength%2C+silica+fume&rft.publisher=FAKULTAS+TEKNIK&rft.date=2022-09-05&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65979%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65979%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65979%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Rivaldo+Hartono+Putra%2C+1815011048++(2022)+KUAT+TEKAN+BETON+MUTU+TINGGI+DENGAN+MEMANFAATKAN+FLY+ASH+DAN+SILICA+FUME+SEBAGAI+BAHAN+PENGISI.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65979%2F