?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+ABU+TONGKOL+JAGUNG+TERHADAP+SIFAT+FISIS+DAN+MEKANIS+PADA+MORTAR&rft.creator=+RIO+ORLANDO+PRATAMA+%2C+1517041074&rft.subject=001+Ilmu+pengetahuan&rft.description=%0D%0AThe+research+was+carried+out+about+the+effect+of+adding+corn+cob+ash+to+physical+and+++mechanical+properties+of+mortar.+Mortar+was+moulded+with+three+compositions+i.e.+portland+cement%2C+corn+cob+ash+and+corn+husk+fiber.+Corn+cob+ash++was++burned+at++temperature+of++700++oC++for++2+hours.++Corn+husk+fiber+was+mechanically+sliced+up+to+0.8+mm+in+size.+Then%2C+mortar+molding+and+maintenance+was+processed+for+28+days.+The+mortars+that+had+reached+the+age+of+28+days+were+tested+according+to+the+++Indonesian+National+Standard+(SNI)+including+physical+properties+(density)%2C+and+mechanical+properties+(compressive+strength%2C+modulus+of+elasticity%2C+modulus+of+rupture).+Characterization+of+microstructure%2C+morphology+and+composition+of+all+elements+on+the+surface+of+mortar+were+processed+by+using+Scanning+Electron+Microscopy+-+Energy+Dispersive+X-ray+Spectroscopy+(SEM-EDS).+The+results+of+research+shows+the+influence++of++adding+corn+cob++ash++to++physical++and++mechanical++properties++of+mortar.+Mortar+with+the+most+optimum+physical+and+mechanical+properties+is+mortar+with+a+composition+of+82%3A+6%3A+12.+The+results+of+the+characterization+using+SEM-EDS+shows+that+the+surface+of+this+composition+sample+is+better+then+other+sample.+The+most+dominant+elements+in+the+mortar+are+element+of+Ca+and+Si+which+functioned+as+mortar+binder+and+hardener.%0D%0A%0D%0AKeywords%3A+Mechanical+properties%2C+mortar%2C+physical+properties%2C+SEM-EDS.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0APenelitian+yang+dilakukan+tentang+pengaruh+penambahan+abu+tongkol+jagung+terhadap+sifat++fisis+dan+mekanis++mortar.++Mortar++dicetak++dengan++tiga++perbandingan+komposisi+antara+semen+ordinary+portland%2C+abu+tongkol+jagung%2C+dan+serat+kulit+jagung.+Abu+tongkol+jagung+dibakar+pada+suhu+700%E2%84%83+selama+2+jam%2C+serat+kulit+jagung+dirajang+secara+mekanis+hingga+berukuran+0%2C8+mm%2C+kemudian+dilakukan+pencetakan+mortar+dan+perawatan+selama+28+hari.+Mortar+yang+telah+mencapai+usia+28+hari+di+uji+sesuai+dengan+Standar+Nasional+Indonesia+(SNI)%2C+yang+meliputi+sifat+fisis+(kerapatan)%2C+dan+sifat+mekanis+(kuat+tekan%2C+kuat+tarik+belah%2C+kuat+lentur).+Karakterisasi+struktur+mikro%2C+morfologi%2C+dan+komposisi+semua+unsur++yang++ada++pada++permukaan++mortar++dilakukan++menggunakan++Scanning+Electron+Microscopy+%E2%80%93+Energy+Dispersive+X-Ray+Spectroscopy+(SEM-EDS).+Hasil+penelitian+menunjukkan+adanya+pengaruh+penambahan+abu+tongkol+jagung+terhadap+sifat+fisis+dan+mekanis+mortar.+Mortar+dengan+sifat+fisis+dan+mekanis+yang+paling+optimum++adalah++mortar++dengan++komposisi++82%3A6%3A12.++Hasil++karakterisasi+menggunakan+SEM-EDS+memperlihatkan+permukaan+mortar+tersebut+adalah+yang+lebih+baik.+Unsur+yang+paling+dominan+pada+mortar+adalah+unsur+Ca+dan+Si+yang+berfungsi+sebagai+pengikat+dan+pengeras+mortar.%0D%0A%0D%0AKata+Kunci%3A+mortar%2C+sifat+fisis%2C+sifat+mekanis%2C+SEM-EDS.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2022-06-14&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F66565%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F66565%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F66565%2F3%2FSKRIPSI%2520TANPA%2520PEMBAHASAN.pdf&rft.identifier=+++RIO+ORLANDO+PRATAMA+%2C+1517041074++(2022)+PENGARUH+PENAMBAHAN+ABU+TONGKOL+JAGUNG+TERHADAP+SIFAT+FISIS+DAN+MEKANIS+PADA+MORTAR.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F66565%2F