?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+WAKTU+PEMERAMAN+TERHADAP+DAYA%0D%0ADUKUNG+TANAH+LEMPUNG+DAN+LANAU+YANG+DISTABILISASI%0D%0AMENGGUNAKAN+SEMEN+PADA+KONDISI+TANPA+RENDAMAN%0D%0A(+UNSOAKED+)&rft.creator=Bravo+Pandiangan%2C+(1015011091)&rft.subject=Mesin+(General).+Mesin+Sipil+(General)&rft.description=Tanah+adalah+bahan+yang+berfungsi+sebagai+dukungan+untuk+dasar+konstruksi.%0D%0ASetiap+daerah+memiliki+karakteristik+tanah+yang+berbeda+di+daerah+lain%2C+ada%0D%0Amemiliki+daya+dukung+yang+baik+sampai+buruk+atau+jelek.+Tanah+lempung+dan%0D%0Atanah+lanau+memiliki+daya+dukung+dan+sifat+tanah+yang+rendah.+Untuk+mengatasi%0D%0Ahal+ini%2C+perlu+memperbaiki+sifat+tanah+dengan+metode+stabilisasi.+Stabilisasi+adalah%0D%0Amemperbaiki+sifat+fisik+dan+mekanik+tanah+sehingga+memenuhi+persyaratan+teknis%0D%0Atertentu.+Salah+satu+cara+stabilisasi+adalah+dengan+semen.+Dalam+penelitian+ini%2C%0D%0Asemen+yang+digunakan+yaitu+semen+tipe+portland+cement.+Penelitian+ini+bertujuan%0D%0Amembandingkan+nilai+CBR+tanah+lempung+dan+lanau+sebelum+dan+sesudah%0D%0Adistabilisasi+dengan+penambahan+semen.%0D%0ATanah+yang+digunakan+adalah+jenis+tanah+lempung+yang+diambil+dari+Desa+Rawa%0D%0ASragi%2C+Kecamatan+Jabung%2C+Kabupaten+Lampung+Timur+dan+jenis+tanah+lanau+dari%0D%0ADesa+Yosomulyo%2C+Kecamatan+Metro+Timur%2C+Kota+Metro.+Pada+hasil+pengujian%0D%0Apemadatan+modified+proctor%2C+penambahan+semen+pada+tanah+lempung+dan+lanau%0D%0Aterbukti+meningkatkan+nilai+berat+volume+maksimum+(%CE%B3d)+secara+berlanjut.%0D%0ASedangkan+nilai+kadar+air+optimum+(%CF%89opt)+terjadi+penurunan+yang+tidak+terlalu%0D%0Asignifikan+pada+pada+setiap+kadar+semennya.+Untuk+nilai+berat+jenis+tanah%0D%0Alempung+dan+lanau+yang+dicampur+semen+mengalami+kenaikan+dibanding+dengan%0D%0Aberat+jenis+tanah+aslinya.+Pada+pengujian+CBR+tanpa+rendaman+pada+campuran%0D%0Asemen+dengan+pemadatan+modified+proctor+didapatkan+nilai+CBR+optimum+pada%0D%0Akadar+semen+9%25+dan+pemeraman+28+hari+sebesar+107%2C6%25+pada+tanah+lempung%2C%0D%0Asedangkan+pada+tanah+lanau+nilai+CBR+tanpa+rendaman+terjadi+peningkatan%0D%0Atertinggi+pada+kadar+semen+9%25+dan+pemeraman+28+hari+yaitu+sebesar+58%25.%0D%0APenambahan+portland+cement+terbukti+dapat+meningkatkan+nilai+CBR+secara%0D%0Asignifikan+dibandingkan+dengan+kedua+tanah+asli+tersebut.%0D%0AKata+kunci+%3A+Semen%2C+Lempung%2C+Lanau%2C+CBR%2C+Daya+Dukung+Tanah.%0D%0A%0D%0A%0D%0Aabstrak+bahasa+inggris%0D%0A%0D%0ASoil+is+the+material+that+serves+as+a+support+for+the+construction+base.+Each+region%0D%0Ahas+different+soil+characteristics+in+other+areas%2C+there+has+a+carrying+capacity+of%0D%0Agood+to+bad+or+poor.+Clay+and+silt+soil+has+a+bearing+capacity+and+low+soil%0D%0Aproperties.+To+overcome+this%2C+the+need+to+improve+the+soil+natures+with+the%0D%0Astabilization+method.+Stabilization+is+to+improve+the+physical+and+mechanical%0D%0Aproperties+of+the+soil+so+that+it+meets+certain+technical+requirements.+One+way+is%0D%0Awith+a+cement+stabilization.+In+this+study%2C+the+cement+used+is+a+cement-type%0D%0Aportland+cement.+This+study+aimed+to+compare+the+value+of+CBR+clay+and+silt%0D%0Abefore+and+after+stabilized+by+the+addition+of+cement.%0D%0ASoil+used+is+a+type+of+clay+taken+from+the+village+of+Rawa+Sragi%2C+District+Jabung%2C%0D%0AEast+Lampung+district+and+silt+types+from+Yosomulyo+Village%2C+East+Metro%0D%0ADistrict%2C+Metro+City.+In+the+modified+proctor+compaction+test+results%2C+the+addition%0D%0Aof+cement+on+clay+and+silt+proven+to+increase+the+value+of+the+maximum+volume%0D%0Aweight+(%CE%B3d)+continuously.+While+the+value+of+the+optimum+water+content+(%CF%89opt)+a%0D%0Adecline+that+is+not+too+significant+on+at+every+level+of+the+cement.+For+a+density%0D%0Avalue+of+clay+and+silt+mixed+cement+has+increased+compared+with+the+original+soil%0D%0Adensity.+In+testing+the+CBR+without+soaking+in+a+mixture+of+cement+with+modified%0D%0Aproctor+compaction+CBR+values+obtained+optimum+cement+content+of+9%25+and%0D%0Aripening+28+days+amounted+to+107.6%25+in+clay%2C+silt+soil+while+the+CBR+value%0D%0Awithout+immersion+saw+the+largest+increase+in+cement+content+9%25+and+ripening+28%0D%0Adays+58%25.+The+addition+of+portland+cement+is+proven+to+increase+the+value+of+CBR%0D%0Asignificantly+compared+with+the+both+real+soil%0D%0AKeywords%3A+Cement%2C+Clay+Soil%2C+Silt+Soil%2C+CBR%2C+Soil+Bearing+Capacity&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2016-04-21&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22559%2F1%2FABSTRACT%2520%2528ABSTRAK%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22559%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22559%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Bravo+Pandiangan%2C+(1015011091)++(2016)+PENGARUH+VARIASI+WAKTU+PEMERAMAN+TERHADAP+DAYA+DUKUNG+TANAH+LEMPUNG+DAN+LANAU+YANG+DISTABILISASI+MENGGUNAKAN+SEMEN+PADA+KONDISI+TA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