?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMANFAATAN+BENTONIT+DAN+ABU+BATUBARA+(FLY%0D%0AASH+DAN+BOTTOM+ASH)+UNTUK+MENURUNKAN%0D%0ARESISTANSI+PEMBUMIAN+PADA+PEMBUMIAN+DRIVEN%0D%0AROD+DAN+ELEKTRODA+YANG+TERLAPISI+BETON&rft.creator=BR+BUSAY+VIRGI%2C+1315031022&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=The+design+of+grounding+systems+are+intended+as+interface+between+a+fault+current%0D%0Athat+flowing+in+the+down+conductor+and+the+soil+mass.+Therefore%2C+it+takes+as+small%0D%0Aas+possible+of+the+grounding+resistance+value+so+that+the+fault+current+can+be+quickly%0D%0Adischarged+into+the+soil.+The+grounding+resistance+affected+by+the+grounding%0D%0Aelectrode+design+and+the+soil+resistivity+around+location+of+the+grounding+system.%0D%0AAt+a+very+high+soil+resistivity+of+the+grounding+system+location+mostly+done+a+soil%0D%0Atreatment.+The+other+way+in+an+effort+to+reduce+the+grounding+resistance+which+is%0D%0Astill+rarely+found+especially+in+Indonesia+is+by+encasing+the+electrode+with+concrete%0D%0A.%0D%0AThis+research+was+conducted+to+analyze+the+application+of+bentonite+and+coal%0D%0Acombustion+products+(fly+ash+and+bottom+ash)+as+grounding+enhancement+materials%0D%0Afor+soil+treatment.+The+use+of+concrete+encased+electrode+is+to+proof+that+the+concrete%0D%0Acan+be+used+in+the+grounding+systems.+Additive+substances+replace+cement+as+much%0D%0Aas+30%25+to+see+the+effect+of+adding+additives+to+the+concrete+mixture+against+its%0D%0Agrounding+resistance+value.%0D%0AThe+results+of+the+study+show+that+bentonite+and+coal+combustion+products+(fly+ash%0D%0Aand+bottom+ash)+as+well+as+the+use+of+concrete+encased+electrode+can+obtain+smaller%0D%0Agrounding+resistance+compared+direct+into+the+soil+grounding.+Adding+additives+to%0D%0Athe+concrete+mixture+can+improve+the+grounding+resistance+value+of+the+conctrete%0D%0Aencased+electrode.+The+value+of+grounding+resistance+with+fly+ash+is+the+best+in+this%0D%0Astudy%2C+which+results+in+a+reduction+of+67%25.+On+the+study+of+the+use+of+the+concrete%0D%0Aencased+electrode%2C+adding+the+bottom+ash+to+the+concrete+mixture+is+the+best%0D%0Acompared+to+bentonite+and+fly+ash%2C+which+results+in+a+reduction+of+65%25.%0D%0AKey+Words+%3A+bentonite%2C+fly+ash%2C+bottom+ash%2C+grounding+resistance%2C+concrete%0D%0Aencased+electrode%2C+soil+treatment%0D%0A%0D%0A%0D%0APerancangan+sistem+pembumian+ditujukan+sebagai+penghubung+antara+arus%0D%0Agangguan+yang+mengalir+pada+down+conductor+dengan+massa+tanah.+Oleh+karena%0D%0Aitu%2C+diperlukan+nilai+resistansi+tanah+yang+kecil+agar+arus+gangguan+dapat+dengan%0D%0Acepat+dialirkan+secara+merata+ke+dalam+tanah+sehingga+terhindar+dari+bahaya%0D%0Akenaikan+tegangan.+Resistansi+pembumian+dipengaruhi+oleh+desain+elektroda%0D%0Apembumian+dan+tahanan+jenis+tanah+di+sekitar+lokasi+sistem+pembumian.+Pada%0D%0Alokasi+pembumian+dengan+resistivitas+tanah+sangat+tinggi+umumnya+dilakukan+soil%0D%0Atreatment.+Cara+lain+sebagai+upaya+menurunkan+resistansi+pembumian+yang+masih%0D%0Ajarang+ditemukan+khususnya+di+Indonesia+adalah+dengan+melapisi+elektroda%0D%0Apembumian+dengan+beton.%0D%0APenelitian+ini+dilakukan+untuk+menganalisis+pemanfaatan+bentonit+dan+abu%0D%0Abatubara+(fly+ash+dan+bottom+ash)+sebagai+soil+treatment.+Penggunaan+elektroda%0D%0Ayang+terlapisi+beton+dimaksudkan+sebagai+pembuktian+bahwa+beton+dapat%0D%0Adigunakan+dalam+sistem+pembumian.+Zat+aditif+menggantikan+banyak+semen%0D%0Asebesar+30%25+untuk+melihat+pengaruh+penambahan+zat+aditif+ke+dalam+campuran%0D%0Abeton+terhadap+resistansi+pembumiannya.%0D%0AHasil+dari+penelitian+menunjukkan+bahwa+bentonit+dan+abu+batubara+serta%0D%0Apenggunaan+elektroda+yang+terlapisi+beton+dapat+menghasilkan+resistansi%0D%0Apembumian+yang+lebih+kecil+dibandingkan+pembumian+langsung+ke+tanah.+Dengan%0D%0Amenambahkan+zat+aditif+ke+dalam+campuran+beton+dapat+memperbaiki+resistansi%0D%0Apembumian+elektroda+yang+terlapisi+beton.+Nilai+resistansi+pembumian+dengan%0D%0Amedia+fly+ash+adalah+yang+paling+baik+pada+penelitian+ini%2C+yaitu+menghasilkan%0D%0Areduksi+sebesar+67%25.+Pada+elektroda+yang+terlapisi+beton%2C+menambahkan+bottom%0D%0Aash+ke+dalam+campuran+beton+adalah+yang+paling+baik+dibandingkan+penambahan%0D%0Abentonit+dan+fly+ash%2C+yaitu+menghasilkan+reduksi+sebesar+65%25.%0D%0AKata+Kunci+%3A+bentonit%2C+fly+ash%2C+bottom+ash%2C+resistansi+pembumian%2C+elektroda+yang%0D%0Aterlapisi+beton%2C+soil+treatment&rft.publisher=Fakultas+Teknik&rft.date=2019-01-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56567%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56567%2F2%2FSKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56567%2F3%2FSKRIPSI%2520FULL.pdf&rft.identifier=++BR+BUSAY+VIRGI%2C+1315031022++(2019)+PEMANFAATAN+BENTONIT+DAN+ABU+BATUBA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