?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EFISIENSI+DESAIN+SUMUR+RESAPAN+BERDASARKAN+HASIL+UJI+PERMEABILITAS+LAPANGAN+DIKELURAHAN+BERINGIN+JAYA+KECAMATAN+KEMILING+DENGAN+PERMUKAAN+TANAH+YANG+BERBEDA&rft.creator=M+AQLI%2C+0855011027&rft.subject=+&rft.description=Perbedaan+elevasi+dapat+menyebabkan+terjadinya+gradien+hidrolik+yang+cukup+tinggi+dan+menyebabkan+terjadinya+rembesan.+Bila+air+rembesan+mengalir+dari+lapisan+dengan+butiran+yang+lebih+halus+menuju+lapisan+yang+kasar%2C+kemungkinan+terangkutnya+bahan+butiran+yang+lebih+halus+lolos+melewati+bahan+yang+lebih+kasar+tersebut+dapat+terjadi.+Sifat+tanah+yang+memungkinkan+air+melewatinya+pada+berbagai+laju+alir+disebut+permeabilitas+tanah.+Pada+penelitian+ini+menghitung+nilai+koefisien+permeabilitas%2C+dan+kemudian+menentukan+jumlah+sumur+resapan+yang+efisien.%0D%0A%0D%0ASampel+tanah+yang+diuji+pada+penelitian+ini+yaitu+tanah+lempung+yang+berasal+dari+Perumahan+Kedaung%2C+Kelurahan+Beringin+Jaya%2C+Kecamatan+Kemiling%2C+Bandar+Lampung.+Penelitian+ini+dilakukan+untuk+menentukan+jumlah+efisien+sumur+resapan+yang+akan+dibuat+dengan+nilai+hasil+uji+permeabilitas+lapangan+dengan+alat+yang+telah+dimodifikasi.+Berdasarkan+pemeriksaan+sifat+fisik+tanah+asli%2C+mengklasifikasikan+sampel+tanah+pada+kelompok+tanah+berlempung%2C+sedangkan+USCS+mengklasifikasikan+sampel+tanah+sebagai+tanah+lempung+dan+termasuk+ke+dalam+kelompok+CL.%0D%0A%0D%0AHasil+analisa+dan+perhitungan+yang+dilakukan%2C+diperoleh+koefesien+permeabilitas+lapangan+1%2C06863+x+++-+1%2C83723+x+++cm+%2Fdt.++Penelitian+di+laboratorium+dilakukan+untuk+perbandingan%2C+diperoleh+2%2C2507+x+10-7+-+3%2C6638+x+10-7.+Hal+ini+menunjukkan+bahwa+nilai+koefisien+permeabilitas+antar+lapangan+dan+laboratorium+tidah+terlalu+jauh+perbedaannya.+Nilai+koefisien+permeabilitas+inilah+yang+digunakan+untuk+menghitung+jumlah+sumur+resapan+yang+efsien.+Pada+pembuatan+sumur+resapan+efektif+adalah+berjumlah+2+buah+dengan+diameter+1%2C5+meter+dan+kedalaman+3+meter.%0D%0A%0D%0A%0D%0AThe+difference+in+elevation+can+cause+the+hydraulic+gradient+is+quite+high+and+cause+seepage.+When+the+flow+of+seepage+water+layer+with+a+finer+grain+to+the+layer+of+coarse%2C+granular+material+terangkutnya+possibility+that+more+subtle+pass+through+the+coarser+material+can+occur.+The+nature+of+the+soil+that+allows+water+to+pass+through+at+different+flow+rates+is+called+the+permeability+of+the+soil.+In+this+study+to+calculate+the+coefficient+of+permeability%2C+and+then+determine+the+number+of+recharge+wells+efficient.+%0D%0A%0D%0ASoil+samples+were+tested+in+this+study+are+derived+from+clay+Kedaung+Housing%2C+Village+Banyan+Jaya%2C+District+Kemiling%2C+Bandar+Lampung.+This+study+was+conducted+to+determine+the+efficient+amount+of+recharge+wells+that+will+be+created+with+the+value+of+the+field+permeability+test+results+with+tools+that+have+been+modified.+Based+on+the+examination+of+the+physical+properties+of+the+original+soil%2C+classify+soil+samples+in+group+argillaceous+soil%2C+while+USCS+classified+as+clay+soil+samples+and+included+in+the+CL+group.+%0D%0A%0D%0AThe+results+of+the+analysis+and+calculations+were+performed%2C+the+field+permeability+coefficient+obtained+x+1.06863+-+1.83723+x+cm+%2F+sec.+Research+conducted+in+the+laboratory+for+comparison%2C+obtained+2.2507+x+10-7+-+3.6638+x+10-7.+This+indicates+that+the+value+of+the+coefficient+of+permeability+between+field+and+laboratory+tidah+too+much+difference.+Permeability+coefficient+values+were+used+to+calculate+the+amount+of+recharge+wells+that+efsien.+In+making+effective+absorption+wells+are+numbered+2+pieces+with+a+diameter+of+1.5+meters+and+a+depth+of+3+meters.%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2014-08-19&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F1%2F1.%2520Abstrak.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F2%2F2.%2520Abstract-Bahasa%2520Inggris.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F3%2F3.%2520Cover%2520Dalam.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F4%2F4.%2520Hlm.%2520Persetujuan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F5%2F5.%2520Hlm.%2520Pengesahan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F6%2F6.%2520Pernyataan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F7%2F7.%2520Riwayat%2520Hidup.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F8%2F8.%2520Persembahan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F9%2F9.%2520Motto.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F10%2F10.%2520San%2520wacana.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F11%2F11.%2520DAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3280%2F12%2F12.%2520DAF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