?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+LIMBAH+SERABUT+KELAPA%0D%0ADAN+BENTONIT+YANG+TERCAMPUR+KE+DALAM+BETON%0D%0ATERHADAP+NILAI+TAHANAN+PENTANAHAN%0D%0APADA+SISTEM+UFER+GROUNDING&rft.creator=Marwansyah%2C+1315031052&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=The+value+of+grounding+resistance+is+influenced+by+soil+resistivity+value.+Some+of%0D%0Athe+factors+that+influence+it+are+soil+structure%2C+temperature%2C+water+content+in+the+soil%0D%0A(humidity)+and+the+effect+of+the+chemical+content+in+the+soil.+Concrete+is+a+solid%0D%0Aobject+composed+of+cement%2C+sand+and+gravel+that+has+characteristics+for+binding%0D%0Awater+that+has+been+contained+in+it+and+maintain+substances+around+it+so+that+it+can%0D%0Aretain+moisture+in+the+soil.+The+addition+of+bentonite+additives+and+coconut+fiber%0D%0Awaste+into+the+concrete+is+to+increase+water+absorption+in+the+concrete+as+of+the%0D%0Avalue+of+the+resulting+earth+resistance+is+better.+Additives+are+used+with+the%0D%0Aaddition+of+30%25+bentonite+from+the+amount+of+cement+and+the+addition+of+1.5%25%0D%0Acoconut+fiber+from+the+volume+of+concrete+is+300+gr+and+0.75%25+from+volume+of%0D%0Aconcrete+is+150+gr.+There+are+four+concrete+variations%2C+such+as+the+concrete+that+is%0D%0Acomposed+of+30%25+bentonite%2C+the+concrete+that+is+composed+of+30%25+bentonite+and%0D%0A1.5%25+coconut+fiber%2C+the+concrete+that+is+composed+of+30%25+bentonite+and+0.75%25%0D%0Acoconut+fiber%2C+and+concrete+that+is+composed+of+1.5%25+coconut+fiber.+The+purpose%0D%0Aof+this+study+was+to+analyze+changes+in+the+value+of+grounding+resistance+using%0D%0Aconcrete+composed+of+bentonite+and+coconut+fibers+and+to+know+the+best%0D%0Acomposition+in+reducing+the+value+of+grounding+resistance.+The+average+values+of%0D%0Agrounding+resistance+produced+are+45%2C896+%CE%A9+for+concrete+which+is+composed+of%0D%0A30%25+bentonite+and+1.5%25+of+coconut+fiber%2C+50%2C192+%CE%A9+for+concrete+which+is%0D%0Acomposed+of+30%25+bentonite+and+0.75%25+coconut+fiber%2C+54%2C546+%CE%A9+for+30%25%0D%0Abentonite%2C+and+66%2C158+%CE%A9+for+concrete+that+is+composed+of+1.5%25+coconut+fiber.+The%0D%0Ahighest+percentage+change+in+resistance+value+is+72%25+with+the+average+resistance%0D%0Avalue+is+45%2C896+%E2%84%A6+using+the+concrete+that+is+composed+of+30%25+bentonite+of+the%0D%0Aamount+of+cement+and+1.5%25+coconut+fiber+from+the+concrete+volume+which+is+25+x%0D%0A25+x+30+cm.%0D%0AKeywords%3A+grounding+resistance%2C+soil+resistivity%2C+ufer+grounding%2C+concrete%2C%0D%0A+bentonite%2C+coconut+fiber+waste.%0D%0A%0D%0A%0D%0ANilai+tahanan+pentanahan+dipengaruhi+oleh+besarnya+nilai+tahanan+jenis+tanah.%0D%0ABeberapa+faktor+yang+mempengaruhi+nilai+tahanan+jenis+tanah+antara+lain+adalah%0D%0Astruktur+tanah%2C+temperatur%2C+kandungan+air+dalam+tanah+(kelembaban)%2C+dan%0D%0Apengaruh+kandungan+kimia+di+dalam+tanah.+Beton+merupakan+suatu+benda+padat%0D%0Ayang+tersusun+dari+semen%2C+pasir%2C+dan+kerikil+yang+memiliki+karakteristik+yang%0D%0Adapat+mengikat+air+yang+sudah+terkandung+di+dalamnya+dan+memepertahankan%0D%0Azat-zat+disekitarnya+sehingga+mampu+mempertahankan+kelembaban+pada+tanah.%0D%0APencampuran+zat+aditif+bentonit+dan+penambahan+limbah+serabut+kelapa+ke+dalam%0D%0Abeton+untuk+meningkatkan+penyerapan+air+pada+beton+sehingga+nilai+tahanan%0D%0Apentanahan+yang+dihasilkan+lebih+baik.+Pencampuran+zat+aditif+pada+beton+adalah%0D%0Amenggunakan+bentonit+30%25+dari+jumlah+semen+serta+penambahan+serabut+kelapa%0D%0A1%2C5%25+dari+volume+beton+yaitu+300+gr+dan+0%2C75%25+dari+volume+beton+yaitu+150+gr.%0D%0AVariasi+beton+yang+digunakan+ada+4%2C+yaitu+beton+yang+tercampur+bentonit+30%25%2C%0D%0Abeton+yang+tercampur+bentonit+30%25+dan+serabut+kelapa+1%2C5%25%2C+beton+yang%0D%0Atercampur+bentonit+30%25+dan+serabut+kelapa+0%2C75%25%2C+serta+beton+yang+tercampur%0D%0Aserabut+kelapa+1%2C5%25.+Tujuan+dalam+penelitian+ini+adalah+untuk+menganalisis%0D%0Aperubahan+nilai+tahanan+pentanahan+menggunakan+beton+yang+tercampur+bentonit%0D%0Adan+serabut+kelapa+dan+mengetahui+campuran+terbaik+untuk+menurunkan+nilai%0D%0Atahanan+pentanahan.+Nilai+rata-rata+tahanan+pentanahan+yang+dihasilkan+adalah%0D%0A45%2C896+%E2%84%A6+untuk+beton+yang+tercampur+bentonit+30%25+dan+serabut+kelapa+1%2C5%25%2C%0D%0A50%2C192+%E2%84%A6+untuk+beton+yang+tercampur+bentonit+30%25+dan+serabut+kelapa+0%2C75%25%2C%0D%0A54%2C546+%E2%84%A6+untuk+beton+yang+tercampur+bentonit+30%25%2C+dan+66%2C158+%E2%84%A6+untuk+beton%0D%0Ayang+tercampur+serabut+kelapa+1%2C5%25.+Persentase+perubahan+nilai+tahan+paling%0D%0Atinggi+adalah+72%25+dengan+nilai+tahanan+rata-rata+45%2C896+%E2%84%A6+yaitu+menggunakan%0D%0Abeton+yang+tercampur+bentonit+30%25+dari+jumlah+semen+dan+serabut+kelapa+1%2C5%25%0D%0Adari+voulme+beton+yaitu+25+x+25+x+30+cm.%0D%0AKata+kunci+%3A+tahanan+pentanahan%2C+tahanan+jenis+tanah%2Cufer+grounding%2C+beton%2C%0D%0Abentonit%2C+limbahserabut+kelapa.+&rft.publisher=Fakultas+Teknik&rft.date=2019-01-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56610%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56610%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56610%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Marwansyah%2C+1315031052++(2019)+PENGARUH+PENAMBAHAN+LIMBAH+SERABUT+KELAPA+DAN+BENTONIT+YANG+TERCAMPUR+KE+DALAM+BETON+TERHADAP+NILAI+TAHANAN+PENTANAHAN+PADA+SISTEM+UFER+GROUNDING.++Fakultas+Teknik%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56610%2F