?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+BOTTOM+ASH+SEBAGAI+BAHAN+PENGGANTI+SEJUMLAH+PASIR+TERHADAP+KUAT+TEKAN%2C+KUAT+TARIK+LENTUR+DAN+MODULUS+ELASTISITAS+PADA+BETON+MUTU+TINGGI&rft.creator=SHOLAHUDDIN+TRIWIDINATA%2C+1215011103&rft.subject=Konstruksi+bangunan&rft.description=Seiring+berjalannya+waktu+produksi+beton+mutu+tinggi+semakin+lama+akan+semakin+meningkat+dan+sebaliknya+akan+mengakibatkan+berkurangnya+sumber+daya+alam.++Salah+satunya+ialah+pasir+sebagai+bahan+baku+beton.++Berdasarkan+permasalahan+tersebut%2C+maka+diperlukan+suatu+material+lain+yang+dapat+menggantikan+sebagian+sumber+daya+alam+tersebut.++Bottom+ash+merupakan+salah+satu+material+dari+limbah+hasil+proses+pembakaran+batubara+pada+sektor+pembangkit+listrik%2C+umumnya+memiliki+ukuran+partikel+atau+butiran+yang+halus+seperti+pasir.%0D%0APenelitian+ini+dilakukan+untuk+menentukan+penggunaan+variasi+pasir+dan+bottom+ash+yang+baik+bagi+beton+mutu+tinggi.++Pengujian+berupa+uji+kuat+tekan+dengan+silinder+beton+10x20+cm%2C+uji+kuat+lentur+dengan+balok+10x10x40+cm+dan+modulus+elastisitas+beton+dengan+silinder+beton+15x30+cm.++Komposisi+penggantian+pasir+dengan+bottom+ash+sebanyak+0%25%2C+20%25%2C+40%25%2C+60%25%2C+80%25+dan+100%25.+%0D%0AHasil+pengujian+kuat+tekan+dan+kuat+lentur+optimum+diperoleh+pada+variasi+80%25+bottom+ash.++Nilai+kuat+tekan+sebesar+39%2C68+MPa+(umur+7+hari)+dan+45%2C41+MPa+(umur+28+hari).++Nilai+kuat+lentur+sebesar+4%2C62+MPa+(umur+7+hari)+dan+5%2C53+MPa+(umur+28+hari).++Nilai+modulus+elastisitas+beton+optimum+diperoleh+pada+variasi+20%25+dan+80%25+bottom+ash+yaitu+sebesar+60625%2C67+MPa+dan+59441%2C67+MPa+(umur+28+hari).%0D%0A%0D%0A%0D%0AOver+time+the+production+of+high+strength+concrete+it+will+increse+more+and+more+and+otherwise+it+will+decrease+the+natural+resources.++One+of+them+is+sand+as+concrete+material.++Based+on+the+problem%2C+it+will+be+required+another+material%2C+that+can+replace+a+number+of+the+sand.++Bottom+ash+is+one+of+material+from+waste+coal+plant%2C+generally+have+particle+size+or+fine+granule+like+as+sand.%0D%0A%0D%0AThis+research+is+used+to+determine+the+variation+of+sand+and+bottom+ash+for+high+strength+concrete.++The+testing+are+compressive+strength+with+cylinder+concrete+10x20+cm%2C+flexural+strength+with+beam+concrete+10x10x40+cm%2C+and+modulus+of+elasticity+concrete+with+cylinder+concrete+15x30+cm.++The+compositions+of+the+bottom+ash+for+substitution+the+sand+are+0%25%2C+20%25%2C+40%25%2C+60%25%2C+80%25+and+100%25.+%0D%0A%0D%0AThe+results+of+the+compressive+strength+and+flexural+strength+optimum+testing+are+showed+on+variation+80%25+of+bottom+ash.++Compressive+strength+values+are+39%2C68+MPa+(7+days+age)+and+45%2C41+MPa+(28+days+age).++Flexural+strength+values+are+4%2C62+MPa+(7+days+age)+and+5%2C53+MPa+(28+days+age).++Modulus+of+elasticity+concrete+optimum+are+showed+on+variation+20%25+and+80%25+of+bottom+ash+with+60625%2C67+MPa+and+59441%2C67+MPa+(28+days+age).%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2017-05-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27079%2F1%2FAbstrak.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27079%2F2%2FSkripsi%2520Full.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27079%2F3%2FSkripsi%2520Full%2520Tanpa%2520Pembahasan.pdf&rft.identifier=++SHOLAHUDDIN+TRIWIDINATA%2C+1215011103++(2017)+PENGARUH+BOTTOM+ASH+SEBAGAI+BAHAN+PENGGANTI+SEJUMLAH+PASIR+TERHADAP+KUAT+TEKAN%2C+KUAT+TARIK+LENTUR+DAN+MODULUS+ELASTISITAS+PADA+BETON+MUTU+TINGGI.++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F27079%2F