?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=APLIKASI+TEKANAN+PADA+RODA+KENDARAAN+ALAT+BERAT+DI%0D%0ALAPANGAN+UNTUK+PROSES+PEMADATAN+TANAH+TERHADAP%0D%0ADAYA+DUKUNG+LAPISAN+TANAH+DASAR+(SUBGRADE)&rft.creator=Tessya+Febrania%2C+1415011139&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Seiring+dengan+pertumbuhan+transportasi+dan+peningkatan+perekonomian+di%0D%0Awilayah+sumatra%2C+maka+diperlukan+konstruksi+jalan+yang+baik.+Pada+setiap%0D%0Apekerjaan+konstruksi+selalu+berkaitan+dengan+pekerjaan+tanah.+Daya+dukung+tanah%0D%0Adasar%2Fsubgrade+pada+konstruksi+jalan+sangat+menentukan+nilai+daya+dukung+yang%0D%0Atanah+dinyatakan+dengan+nilai+California+Bearing+Rasio+(CBR).+Pada+penelitian%0D%0Aini+membahas+mengenai+aplikasi+tekanan+pada+roda+kendaraan+alat+berat+di%0D%0Alapangan+untuk+proses+pemadatan+tanah+terhadap+daya+dukung+lapisan+tanah+dasar%0D%0A(subgrade)%0D%0ASampel+tanah+yang+digunakan+pada+pengujian+ini+berasal+dari+daerah+Tirtayasa%2C%0D%0AKec.+Sukabumi%2C+Bandar+Lampung.+Pengujian+sampel+menggunakan+metode%0D%0Atumbukan+di+laboratorium+dan+pengujian+menggunakan+alat+tekan+modifikasi%0D%0Auntuk+pemadatan+standar%2C+dengan+tekanan+yang+digunakan+dalam+pengujian%0D%0Asebesar+2%2C7+MPa%2C+7+MPa+dan+8%2C4+MPa.%0D%0AHasil+pengujian+di+laboratorium+sampel+tanah+digolongkan+sebagai+kelompok%0D%0Atanah+A-2-7+yaitu+tanah+berlempung.+Nilai+CBR+tanpa+rendaman+dari+pengujian%0D%0Apemadatan+tanah+menggunakan+standard+proctor+sebesar+2%2C7%25%2C+sedangkan+untuk%0D%0Anilai+CBR+rendaman+sebesar+2%25.+Nilai+CBR+tanpa+rendaman+dari+pengujian%0D%0Apemadatan+tanah+dengan+metode+tekanan+pada+masing-masing+tekan+sebesar%0D%0A3%2C9%25%2C+5%2C4%25+dan+5%2C8%25%2C+sedangkan+untuk+kondisi+rendaman+didapatkan+nilai+CBR%0D%0Asebesar+0%2C25%25%2C+1%2C57%25+dan+1%2C83%25.+Nilai+CBR+mengalami+peningkatan+seiring%0D%0Abertambahnya+tekanan+yang+diberikan+pada+sampel.%0D%0A%0D%0AKata+kunci+%3A+Alat+tekan+modifikasi%2C+alat+berat%2C+Standard+Proctor%2C+California%0D%0A%0D%0ABearing+Rasio+(CBR)%2C+pasir+berlempung.%0D%0AAccording+to+the+growth+of+transportation+and+economic+enhancement+in%0D%0ASumatra%E2%80%99s+region%2C+then+good+highway+constructions+were+required.+Every%0D%0Aconstructions+work+are+relate+to+soil+manufacturer.+Therefore%2C+bearing+capacity+of%0D%0Asubgrade%E2%80%99s+layer+on+road+constructions+have+been+very+supported+in+bearing%0D%0Acapacity+value%2C+which+had+been+avowed+into+California+Bearing+Ratio+(CBR)%0D%0Avalues.+In+this+research%2C+it+will+discuss+about+the+pressure+applications+of+heavy%0D%0Avehicle%E2%80%99s+wheels+on+field+for+compaction+process+against+bearing+capacity+of%0D%0Asubgrade%E2%80%99s+layer.%0D%0ASoil+sample+that+have+been+tested+in+this+study+were+from+Tirtayasa+area%2C+Kec.%0D%0ASukabumi%2C+Bandar+Lampung.+Then%2C+for+sample+testing+method+was+used%0D%0Aconsolidations+method+in+laboratory+and+the+testing+used+modification+pressuring%0D%0Atools+for+standard+consolidation%2C+with+pressure+testing+values+are%3B+2.7+MPa%2C+7+MPa%2C%0D%0Aand+8.4+MPa.%0D%0AThe+testing+result+of+soil+sample+in+laboratory+have+been+classifying+into+soil%0D%0Agroup+A-2-7+that+is+cohesive+soil.+CBR+value+without+unsoaked+process+from%0D%0Acompaction+testing+which+used+standard+proctor+is+2.7%25%2C+whereas+for+soaked%0D%0ACBR+value+is+2%25.+And+then+CBR+values+without+unsuaked+process+from%0D%0Acompaction+testing+within+pressure+method+are+3.9%25%2C+5.4%25%2C+and+5.8%25%2C+and+then%0D%0Afor+soaked+conditions%2C+the+CBR+values+are+0.25%25%2C+1.57%25%2C+and+1.83%25.+For+the%0D%0Aconclusions%2C+the+CBR+values+increase+as+the+amount+of+the+pressure%E2%80%99s+addition.%0D%0A%0D%0Akeywords%3A+modification+pressuring+tools%2C+heavy+vehicle%2C+standard+proctor%2C%0D%0A%0D%0ACalifornia+Bearing+Rasio+(CBR)%2C+clay+sand.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56307%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56307%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56307%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Tessya+Febrania%2C+1415011139++(2019)+APLIKASI+TEKANAN+PADA+RODA+KENDARAAN+ALAT+BERAT+DI+LAPANGAN+UNTUK+PROSES+PEMADATAN+TANAH+TERHADAP+DAYA+DUKUNG+LAPISAN+TANAH+DASAR+(SUBGRADE).++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56307%2F