?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+BATU+ANDESIT+SEBAGAI+SUBSTITUSI%0D%0ASEMEN+TIPE+PCC+PADA+PAVING+BLOCK&rft.creator=RENI+SEPTIANA+%2C+1317041036&rft.subject=QC+Physics&rft.description=Substitusi+batu+andesit+mempengaruhi+kuat+tekan%2C+porositas+serta+absorpsi+paving%0D%0Ablock.+Bahan+baku+yang+digunakan+untuk+membuat+paving+block+yaitu+semen%2C%0D%0Abatu+andesit%2C+pasir+serta+air.+Persentase+substitusi+batu+andesit+sebesar+10%2C+20%2C+30%2C%0D%0A40+dan+50%25+dari+berat+semen.+Sebelum+digunakan%2C+batu+andesit+sebelum+dan%0D%0Asetelah+kalsinasi+dikarakterisasi+menggunakan+XRF+(X-Ray+Fluorescence)+dan%0D%0AXRD+(X-Ray+Diffraction).+Hasil+analisis+XRD+batu+andesit+sebelum+kalsinasi%0D%0Aterbentuk+fase+Muscovite%2C+Albite%2C+Hedenbergite+dan+Microcline.+Hasil+analisis%0D%0AXRD+setelah+kalsinasi+pada+900%CE%BFC+terbentuk+fase+Muscovite%2C+Hedenbergite+dan%0D%0AMicrocline.+Setelah+itu+paving+block+melalui+proses+pembuatan+benda+uji%2C%0D%0Apencetakan%2C+perendaman+serta+pengujian+fisik+yang+meliputi+kuat+tekan%2C+porositas%0D%0Adan+absorpsi.+Hasil+uji+kuat+tekan+paving+block+tertinggi+terdapat+pada+substitusi%0D%0Abatu+andesit+10%25+umur+28+hari+sebesar+10%2C92+MPa+dan+kuat+tekan+terendah%0D%0Aterdapat+pada+substitusi+batu+andesit+50%25+umur+7+hari+sebesar+3%2C08+MPa.+Porositas%0D%0Aterendah+terjadi+pada+substitusi+batu+andesit+10%25+umur+28+hari+sebesar+16%25+dan%0D%0Aporositas+paving+block+tertinggi+terdapat+pada+substitusi+batu+andesit+50%25+umur+7%0D%0Adan+14+hari+dengan+nilai+sebesar+17%2C5%25.+Absorpsi+paving+block+tertinggi+terdapat%0D%0Apada+substitusi+batu+andesit+50%25+umur+7+hari+sebesar+9%2C9%25+dan+absorpsi+terendah%0D%0Aterdapat+pada+substitusi+batu+andesit+10%25+umur+14+dan+28+hari+serta+20%25+umur+28%0D%0Ahari+dengan+nilai+sebesar+9%2C1%25.%0D%0AKata+kunci%3A+Paving+block%2C+batu+andesit%2C+kalsinasi%2C+kuat+tekan%2C+porositas+dan%0D%0Aabsorpsi.%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0A%0D%0AAndesite+stone+substitution+affects+the+compressive+strength%2C+porosity+and+paving%0D%0Ablock+absorption.+The+raw+materials+used+for+making+paving+blocks+are+cement%2C%0D%0Aandesite%2C+sand+and+water.+The+percentage+of+andesite+substitution+of+rocks+is+10%2C%0D%0A20%2C+30%2C+40+and+50%25+by+weight+of+cement.+Prior+to+use%2C+andesite+stones+before+and%0D%0Aafter+calcination+were+characterized+using+XRF+(X-Ray+Fluorescence)+and+XRD%0D%0A(X-Ray+Diffraction).+The+result+of+XRD+analysis+of+andesite+rock+prior+to%0D%0Acalcination+formed+Muscovite%2C+Albite%2C+Hedenbergite+and+Microcline+phases.+The%0D%0Aresults+of+XRD+analysis+after+calcination+at+the+calcination+temperature+of+900%C2%B0C%0D%0Ahave+formed+Muscovite%2C+Hedenbergite+and+Microcline+phases.+After+that+paving%0D%0Ablock+through+the+process+of+making+specimens%2C+printing%2C+immersion+and+physical%0D%0Atesting+which+includes+compressive+strength%2C+porosity+and+absorption.+The+result%0D%0Aof+compressive+strength+test+is+the+highest+compressive+strength+of+paving+block%0D%0Afound+in+substitution+of+andesite+stone+10%25+age+28+day+equal+to+10%2C92+MPa+and%0D%0Athe+lowest+compressive+strength+is+found+in+50%25+andesite+stone+substitution+50%0D%0Adays+7+days+at+3%2C08+MPa.+The+lowest+porosity+occurred+in+the+substitution+of%0D%0Aandesite+rock+of+10%25+age+28+days+by+16%25+and+the+highest+porosity+of+paving%0D%0Ablock+was+found+in+50+andesite+stone+substitution+of+50%25+age+7+and+14+days+with%0D%0Avalue+of+17%2C5%25.+The+highest+absorption+of+paving+block+was+found+in+the%0D%0Asubstitution+of+50%25+andesitic+stone+at+7+days+by+9%2C9%25+and+the+lowest+absorption%0D%0Awas+in+the+10%25+andesite+substitution+of+stone+aged+14+and+28+days+and+20%25+age%0D%0A28+days+with+the+value+of+9%2C1%25.%0D%0AKeywords%3A+Paving+block%2C+andesite+stone%2C+calcination%2C+compressive+strength%2C%0D%0Aporosity+and+absorption%0D%0A%0D%0A%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2017-12-18&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29691%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29691%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29691%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RENI+SEPTIANA+%2C+1317041036++(2017)+PENGARUH+PENAMBAHAN+BATU+ANDESIT+SEBAGAI+SUBSTITUSI+SEMEN+TIPE+PCC+PADA+PAVING+BLOCK.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F29691%2F