?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+MODIFIKASI+ALAT+VANE+SHEAR+BERDASARKAN%0D%0AVARIASI+TINGGI+KIPAS&rft.creator=Arief+Rahman+Hakim%2C+0855011006&rft.subject=+&rft.description=Ada+beberapa+cara+menentukan+kuat+geser+tanah%2C+seperti+uji+kuat+geser+langsung+(direct+shear+test)%2C+%0D%0Auji+triaksial+(triaxial+test)%2C+uji+tekan+bebas+(unconfined+compression+test)+dan+uji+geser+kipas+(vane%0D%0Asheat+test).+Setiap+pengujian+dapat+menghasilkan+hasil+uji+yang+berbeda+untuk+benda+uji+yang%0D%0Asama.+Hal+ini+dapat+terjadi+karena+prosedur+pengujian+dan+cara+kerja+alat+yang+berbeda-beda+serta%0D%0Atarget+hasil+uji+utama+dari+masing-masing+peralatan+dalam+penentuan+parameter+tanah.+Oleh+karena%0D%0Aitu+diperlukan+suatu+penyelidikan+tanah+yang+cermat%2C+khususnya+untuk+mengetahui+parameter+dan%0D%0Akarakteristik+kuat+geser+tanah+dengan+pengujian+vane+shear+di+lapangan.+%0D%0ADalam+penelitian+ini+tanah+yang+diuji+merupakan+jenis+tanah+lempung+lunak+yang+berasal+dari%0D%0ADaerah+Rawa+Sragi+Desa+Belimbing+Sari%2C+Jabung%2C+Kabupaten+Lampung+Timur.+Pengujian%0D%0Adilakukan+langsung+di+lapangan+dengan+jumlah+pengujian+sebanyak+50+titik+dan+pada+kedalaman%0D%0Ayang+berbeda-beda+sesuai+dengan+kemampuan+stang+vane+yang+digunakan+untuk+menembus+tanah%2C%0D%0Aserta+kemampuan+pembacaan+maksimum+pada+dial+torsimeter.+Alat+vane+shear+yang+digunakan%0D%0Aterdiri+dari+mata+vane+standar+dan+yang+telah+dimodifikasi+ukuran+tingginya.+%0D%0ABerdasarkan+hasil+pengujian+diperoleh+nilai+kuat+geser+rata-rata+alat+vane+shear+standar+sebesar%0D%0A0%2C54+Kg%2Fcm%0D%0A2%0D%0A+dan+alat+vane+shear+yang+sudah+dimodifikasi+tingginya+sebesar+0%2C48+Kg%2Fcm%0D%0A+.+Dengan%0D%0Ademikian+diperoleh+persentase+penurunan+sebesar+9%2C84%25+pada+kedalaman+30cm.+Sedangkan+pada%0D%0Akedalaman+60cm+diperoleh+nilai+kuat+geser+rata-rata+alat+vane+shear+standar+sebesar+1%2C12+Kg%2Fcm%0D%0A%0D%0Adan+alat+vane+shear+yang+sudah+dimodifikasi+tingginya+sebesar+1%2C14+Kg%2Fcm%0D%0A2%0D%0A+.+Dengan+demikian%0D%0Adiperoleh+persentase+kenaikan+sebesar+1%2C10%25.+Terjadi+perbedaan+nilai+persentase+antara+grafik%0D%0Apada+kedalaman+30cm+dengan+grafik+pada+kedalaman+60cm+dikarenakan+kerja+alat+yang+tidak%0D%0Amaksimal%2C+alat+yang+sebenarnya+dikhususkan+untuk+percobaan+pada+tanah+gambut%2C+dilakukan+pada%0D%0Atanah+lempung.%0D%0A%0D%0A%0D%0AThere+are+some+methods+to+determine+soil+shear+strength+such+as+direct+shear+strength+test%2C+triaxial%0D%0Atest%2C+unconfined+compression+test%2C+vane+shear+test.+Each+testing+results+in+different+test+result+for%0D%0Athe+same+object+of+test.+This+is+possibly+because+of+different+test+procedures%2C+different+test+device%0D%0Amechanisms%2C+and+different+target+of+test+result+from+each+test+device+in+determining+soil%0D%0Aparameters.+Therefore%2C+a+careful+soil+examination+is+required+especially+to+find+out+parameter+and%0D%0Acharacteristic+of+soil+shear+strength+within+vane+shear+test+in+the+field.%0D%0A%0D%0AThe+object+test+in+this+research+was+soft+clay+soil+from+Rawa+Sragi+region+in+Belimbing+Sari%0D%0Avillage%2C+Jabung%2C+Eastern+Lampung+district.+Test+was+directly+conducted+in+the+field+with+50+points%0D%0Aof+tests+with+different+depths+according+to+vane+shaft+abilities+to+penetrate+soil+and+maximum%0D%0Areading+at+torsi+meter+dial.+The+vane+shear+device+to+use+contained+of+standard+and+height%0D%0Amodified+vane+eyes.%0D%0A%0D%0AThe+results+showed+that+the+average+shear+values+of+standard+vane+shear+and+modified+vane+shear%0D%0Adevices+were+0.54+kg%2Fcm%0D%0A2%0D%0A+and+0.48+kg%2Fcm%0D%0A2%0D%0A+respectively.+Therefore%2C+a+decrease+of+9.84%25+in+30+cm%0D%0Adepth+was+obtained.+In+the+60+cm+depth%2C+the+shear+values+of+of+standard+vane+shear+and+modified%0D%0Avane+shear+devices+were+1.12+kg%2Fcm%0D%0A2%0D%0A+and+1.14+kg%2Fcm%0D%0A2%0D%0A+respectively.+Therefore%2C+an+increase+of%0D%0A1.10%25+was+obtained.+There+was+a+difference+percentage+value+between+graphic+of+30+cm+depoth%0D%0Aand+60+cm+depth+because+the+performance+of+the+device+was+not+maximum.+The+device+was+in+fact%0D%0Ato+use+for+turf+soil%2C+but+it+was+used+in+clay+soil.&rft.publisher=Universitas+Lampung&rft.date=2014-06-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F5%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F7%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2976%2F8%2FHALAMAN%2520PENGESAHAN.pdf&rft.form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