?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+KONSENTRASI+BERAT%0D%0ALAMPUNG%0D%0A%0D%0AFAKULTAS+MATEMATIKA+DAN%0D%0A%0D%0AMINERAL%0D%0ASEBAGAI+MATERIAL+SUBSTITUSI+SEMEN%0D%0APADA+PRODUK+MORTAR&rft.creator=SEPTA+ARIO%2C+1417041081&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Basalt+Lampung+yang+digunakan+berupa+bubuk+tanpa+dan+dengan+dikalsinasi+suhu%0D%0A900%C2%B0C.+Sampel+mortar+dibuat+dengan+metode+pengadukan+basah+yang+terdiri+dari%0D%0Acampuran+semen%2C+pasir%2C+air+dan+bubuk+basalt.+Hasil+uji+menunjukkan+bahwa+basalt%0D%0Atanpa+dan+dengan+dikalsinasi+masing-masing+memiliki+kandungan+SiO2%2C+Al2O3%2C%0D%0Adan+Fe2O3+sebesar+82%2C175%25+dan+82%2C19%25%2C+berat+tertinggal+di+atas+ayakan+45%CE%BCm%0D%0Asebesar+0%2C66%25+dan+1%2C0%25+serta+fasa+yang+terbentuk+diantaranya+adalah+fasa%0D%0Aanorthite%2C+augite%2C+augite+aluminian%2C+forsterite%2C+quartz+dan+silicon+oxide.+Sampel%0D%0Amortar+semen+OPC+substitusi+basalt+tanpa+dan+dengan+dikalsinasi+memiliki+kuat%0D%0Atekan+tertinggi+masing-masing+pada+konsentrasi+5%25+dan+20%25+dengan+porositas%0D%0Asebesar+2%2C4%25+dan+2%2C4%25%2C+absorbsi+sebesar+1%2C29%25+dan+1%2C30%25+serta+kuat+tekan%0D%0Amasing-masing+sebesar+24%2C97+MPa+dan+24%2C16+MPa.+Sampel+mortar+semen+PCC%0D%0Asubstitusi+basalt+tanpa+dan+dengan+dikalsinasi+memiliki+kuat+tekan+tertinggi+pada%0D%0Akonsentrasi+yang+sama+yaitu+5%25+dengan+porositas+sebesar+4%2C8%25+dan+4%2C8%25%2C%0D%0Aabsorbsi+sebesar+2%2C52%25+dan+2%2C50%25+serta+kuat+tekan+masing-masing+sebesar+22%2C55%0D%0AMPa+dan+21%2C11+MPa.+Fasa+yang+terbentuk+pada+mortar+semen+OPC+dan+PCC+yaitu%0D%0ACSH%2C+portlandite%2C+calcite+dan+quartz.+Fasa+CASH+juga+muncul+pada+mortar+semen%0D%0APCC.+Hasil+tersebut+menunjukkan+bahwa+variasi+konsentrasi+berat+basalt+pada%0D%0Asemen+OPC+dan+PCC+mempengaruhi+sifat+dan+karakteristik+produk+mortar.%0D%0A%0D%0AKata+kunci%3A+basalt%2C+mortar%2C+semen+OPC+dan+PCC%2C+struktur+fasa%2C+kuat+tekan.%0D%0ALampung+basalt%E2%80%99s+used+in+the+form+of+powder+without+and+with+calcined%0D%0Atemperature+of+900%C2%B0C.+Mortar+samples+are+made+by+wet+stirring+method+which%0D%0Aconsists+of+a+mixture+of+cement%2C+sand%2C+water+and+basalt+powder.+The+test+results%0D%0Ashowed+that+basalt+without+and+with+calcined+each+contained+SiO2%2C+Al2O3%2C+and%0D%0AFe2O3+amounting+to+82%2C175%25+and+82%2C19%25%2C+the+weight+left+on+the+45%CE%BCm+sieve+was%0D%0A0%2C66%25+and+1%2C0%25+and+the+phases+formed+included+are+the+phases+of+anorthite%2C%0D%0Aaugite%2C+augite+aluminian%2C+forsterite%2C+quartz+and+silicon+oxide.+OPC+cement+mortar%0D%0Asamples+of+basalt+substitution+without+and+with+calcined+had+the+highest%0D%0Acompressive+strength+at+concentrations+of+5%25+and+20%25+with+porosity+are+2%2C4%25+and%0D%0A2%2C4%25%2C+absorption+are+1%2C29%25+and+1%2C30%25+and+compressive+strength+respectively%0D%0A24%2C97+MPa+and+24%2C16+MPa.+PCC+cement+mortar+samples+of+basalt+substitution%0D%0Awithout+and+with+calcined+had+the+highest+compressive+strength+at+the+same%0D%0Aconcentration+of+5%25+with+porosity+are+4%2C8%25+and+4%2C8%25%2C+absorption+are+2%2C52%25+and%0D%0A2.50%25+and+compressive+strength+respectively+at+22%2C55+MPa+and+21%2C11+MPa.%0D%0APhases+are+formed+on+OPC+and+PCC+cement+mortars+are+CSH%2C+portlandite%2C+calcite%0D%0Aand+quartz.+CASH+phase+also+appeared+on+PCC+cement+mortar.+These+results%0D%0Aindicate+that+variations+in+basalt+weight+concentration+on+OPC+and+PCC+cement%0D%0Aaffect+the+properties+and+characteristics+of+mortar+products.%0D%0A%0D%0AKeywords%3A+basalt%2C+mortar%2C+OPC+and+PCC+cement%2C+phase+structure%2C+compressive%0D%0Astrength.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57347%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57347%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57347%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++SEPTA+ARIO%2C+1417041081++(2019)+PENGARUH+VARIASI+KONSENTRASI+BERAT+LAMPUNG+FAKULTAS+MATEMATIKA+DAN+MINERAL+SEBAGAI+MATERIAL+SUBSTITUSI+SEMEN+PADA+PRODUK+MORTAR.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57347%2F