?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+KUAT+TEKAN+DAN+DAYA+SERAP+AIR%0D%0ADARI+PEMBUATAN+BATA+BETON+DENGAN%0D%0APEMANFAATAN+ABU+DASAR+(BOTTOM+ASH)+(OPTIMIZATION+OF+COMPRESSIVE+AND+WATER+ABSORTION+STRENGTH+OF+THE+CONCRETE+BRICK+WITH+THE+UTILIZATION+OF+BOTTOM+ASH)&rft.creator=Suprapto%2C+AYU+AGUNG+PUSPITASARI&rft.subject=Teknologi+(General)&rft.subject=Mesin+(General).+Mesin+Sipil+(General)&rft.description=Pemakaian+batubara+sebagai+sumber+energi+pada+pembangkit+listrik+ataupun+industri+lainnya+mengakibatkan+timbulnya+limbah+padat%2C+yaitu+berupa+fly+ash+(abu+terbang)+dan+bottom+ash+(abu+dasar).+Salah+satu+cara+pemanfaatan+limbah+batubara+adalah+dengan+memanfaatkannya+sebagai+bahan+bangunan.+Pada+penelitian+ini%2C+limbah+batubara+(bottom+ash)+dimanfaatkan+sebagai+bahan+pengganti+sebagian+pasir+pada+bahan+bangunan+berupa+bata+beton+berlubang.%0D%0APenelitian+ini+bertujuan+untuk+mengetahui+pengaruh+dari+pemanfaatan+bottom+ash+dalam+bata+beton+berlubang+terhadap+kuat+tekan+dan+daya+serap+air+bata+beton+berlubang%2C+serta+mengetahui+persentase+optimum+bottom+ash+dalam+pencampuran+bata+beton+berlubang.+Perbandingan+komposisi+campuran+antara+semen+dan+pasir+yang+digunakan+adalah+1+%3A+5%2C+sedangkan+variasi+penggunaan+bottom+ash+yang+digunakan+dalam+campuran+adalah+sebesar+0%25%2C+5%25%2C+10%25%2C+15%25%2C+20%25%2C+25%25+dan+30%25+dari+berat+pasir.%0D%0AHasil+penelitian+menunjukkan+bahwa+bata+beton+berlubang+dengan+komposisi+bottom+ash+dalam+campuran+sebesar+25%25+dari+berat+pasir%2C+menghasilkan+kuat+tekan+optimum%2C+yakni+45%2C46+kg%2Fcm%C2%B2+untuk+umur+28+hari+dan+48%2C58+kg%2Fcm%C2%B2+untuk+umur+56+hari.+Kedua+bata+beton+berlubang+tersebut+masuk+dalam+kelas+mutu+II+SNI+03-0349-1989.+Untuk+hasil+uji+penyerapan+air%2C+menunjukkan+bahwa+penyerapan+air+bata+beton+berlubang+masuk+ke+dalam+mutu+II+SNI+03-0349-1989%2C+besar+kecilnya+penyerapan+air+dipengaruhi+oleh+nilai+kuat+tekan+bata+beton+berlubang.%0D%0AKata+kunci+%3A+bata+beton+berlubang%2C+bottom+ash%2C+kuat+tekan%2C+daya+serap+air+(The+use+of+coal+as+an+energy+source+in+power+plants+or+other+industries+might+result+emerge+of+solid+waste%2C+in+the+form+of+fly+ash+and+bottom+ash.+One+way+to+utilize+the+use+of+coal+waste+is+by+using+it+as+building+material.+In+this+study%2C+coal+waste+(bottom+ash)+is+used+as+a+partial+replacement+of+sand+in+construction+materials+such+as+hollow+bricks.%0D%0AThis+study+aimed+to+determine+the+effect+of+the+utilization+of+bottom+ash+in+hollow+brick+toward+the+compressive+and+water+absorption+strength+of+hollow+brick%2C+as+well+as+to+determine+the+optimum+percentage+of+bottom+ash+in+the+mixing+of+hollow+brick.+The+comparison+of+the+mixture+composition+of+cement+and+sand+used+is+1%3A+5%2C+whereas+variations+in+the+usage+of+bottom+ash+used+in+the+mixture+is+at+0%25%2C+5%25%2C+10%25%2C+15%25%2C+20%25%2C+25%25+and+30%25+of+the+weight+of+the+sand.%0D%0AThe+results+showed+that+the+hollow+brick+in+a+mixture+with+25%25+bottom+ash+composition+of+the+weight+of+the+sand%2C+produce+the+optimum+compressive+strength%2C+45.46+kg+%2F+cm+%C2%B2+for+28+days+old+and+48.58+kg+%2F+cm+%C2%B2+for+56+days+old.+Both+of+the+hollow+brick+can+be+classified+into+the+class+II+of+SNI+03-0349-1989.+For+the+water+absorption+test+results%2C+showed+that+the+water+absorption+strength+of+Hollow+brick+can+be+classified+into+the+class+II+of+SNI+03-0349-1989%2C+the+amount+of+the+water+absorption+strength+is+affected+by+the+compressive+strength+of+hollow+brick.%0D%0AKey+words%3A+hollow+brick%2C+bottom+ash%2C+compressive+strength%2C%0D%0Awater+absorption+strength.)&rft.publisher=Fakultas+Teknik&rft.date=2013-12-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F2%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F1%2FABSTRAK%2520INDONESIA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F3%2FABSTRACT%2520INGGRIS.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F4%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F6%2FHALAMAN%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F5%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F7%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F8%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F9%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F10%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F11%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F12%2FDAFTAR%2520PUSTAKA.pdf&rft.format=archive&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F505%2F13%2FLAMPIRAN.zip&rft.identifier=++Suprapto%2C+AYU+AGUNG+PUSPITASA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