?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+KOMPOSISI+BIJIH+BESI+DENGAN+BATU+SPLIT%0D%0ATERHADAP+SIFAT+FISIS+DAN+MEKANIS+BETON+K.+350+DENGAN%0D%0A%0D%0AUMUR+PERENDAMAN+7%2C+14%2C+DAN+28+HARI&rft.creator=Afrizal+Halim%2C+1617041098&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=%0D%0APenelitian+beton+K.350+menggunakan+variasi+bijih+besi+dengan+batu+split+sebagai%0D%0Akomposisi+pembuatan+beton+K.350+dengan+umur+perendaman+7%2C+14+dan+28+hari%0D%0Ayang+menggunakan+metode+hidrolisis.+Bahan-bahan+yang+digunakan+dalam%0D%0Apenelitian+ini+yaitu+bijih+besi%2C+batu+split%2C+pasir%2C+air+dan+semen.+Variasi+komposisi%0D%0Abijih+besi+dan+batu+split+adalah+0%3A100+Wt%25%2C+10%3A90+Wt%25%2C+20%3A80+Wt%25%2C+30%3A70+Wt%25%2C%0D%0A40%3A60+Wt%25+dan+50%3A50+Wt%25.+Pada+sampel+terlihat+bahwa+konsentrasi+bijih+besi%0D%0Aberpengaruh+terhadap+nilai+kuat+tekan%2C+porositas%2C+absorpsi%2C+pembentukan+fasa+dan%0D%0Akonsentrasi+senyawa+kimia+pada+beton+K.350.+Nilai+kuat+tekan+terbaik+terdapat%0D%0Apada+variasi+komposisi+50%3A50+Wt%25+dengan+umur+perendaman+28+hari+sebesar%0D%0A43%2C77+MPa.+Nilai+porositas+dan+absorpsi+terbaik+terdapat+pada+variasi+komposisi%0D%0A50%3A50+Wt%25+dengan+umur+perendaman+28+hari+sebesar+4%2C02+%25+dan+1%2C63+%25.%0D%0APerubahan+juga+terjadi+pada+intensitas+fasa+hematite+dan+konsentrasi+senyawa%0D%0AFe2O3+seiring+dengan+bertambahnya+konsentrasi+bijih+besi.%0D%0A%0D%0AKata+Kunci%3A+Beton+K.350%2C+Bijih+Besi%2C+Absorpsi%2C+Porositas.%0D%0A%0D%0Aii%0D%0A%0D%0A%0D%0AK.350+concrete+research+uses+iron+ore+variation+with+split+stone+as+the%0D%0Acomposition+of+K.350+concrete+making+with+immersion+life+of+7%2C+14+and+28+days%0D%0Ausing+hydrolysis+method.+The+materials+used+in+this+study+are+iron+ore%2C+split+stone%2C%0D%0Asand%2C+water+and+cement.+Variations+in+the+composition+of+iron+ore+and+split+stone%0D%0Aare+0%3A100+Wt%25%2C+10%3A90+Wt%25%2C+20%3A80+Wt%25%2C+30%3A70+Wt%25%2C+40%3A60+Wt%25+and+50%3A50+Wt%25.%0D%0AIn+the+sample+it+is+seen+that+the+concentration+of+iron+ore+affects+the+strong+value%0D%0Aof+press%2C+porosity%2C+absorption%2C+phase+formation+and+concentration+of+chemical%0D%0Acompounds+in+concrete+K.350.+The+best+press+strength+value+is+found+in+the%0D%0Acomposition+variation+of+50%3A50+Wt%25+with+a+28-day+immersion+life+of+43.77+MPa.%0D%0AThe+best+porosity+and+absorption+values+are+found+in+the+composition+variation+of%0D%0A50%3A50+Wt%25+with+a+28-day+immersion+life+of+4.02+%25+and+1.63+%25.+Changes+also%0D%0Aoccur+in+the+intensity+of+the+hematite+phase+and+the+concentration+of+Fe2O3%0D%0Acompounds+in+line+with+the+increasing+concentration+of+iron+ore.%0D%0AKata+Kunci%3A+K.350+Concrete%2C+Iron+Ore%2C+Absorption%2C+Porosity.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2021&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60646%2F1%2F1617041098-Afrizal%2520Halim-Abstrak%2520-%2520Afrizal%2520Halim.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60646%2F2%2F1617041098-Afrizal%2520Halim-Skripsi%2520Full%2520-%2520Afrizal%2520Halim.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60646%2F3%2F1617041098-Afrizal%2520Halim-Skripsi%2520Tanpa%2520Pembahasan%2520-%2520Afrizal%2520Halim.pdf&rft.identifier=++Afrizal+Halim%2C+1617041098++(2021)+PENGARUH+VARIASI+KOMPOSISI+BIJIH+BESI+DENGAN+BATU+SPLIT+TERHADAP+SIFAT+FISIS+DAN+MEKANIS+BETON+K.+350+DENGAN+UMUR+PERENDAMAN+7%2C+14%2C+DAN+28+HARI.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F60646%2F