Syahreza Nurdian, 0915011088 (2015) KORELASI PARAMETER KEKUATAN GESER TANAH DENGAN MENGGUNAKAN UJI TRIAKSIAL DAN UJI GESER LANGSUNG PADA TANAH LEMPUNG SUBSTITUSI PASIR. Fakultas Teknik, Universitas Lampung.
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Abstrak (Berisi Bastraknya saja, Judul dan Nama Tidak Boleh di Masukan)
Penelitian ini bertujuan untuk mendapatkan hubungan (korelasi) antara parameter kuat geser tanah yang dihasilkan dari pengujian Triaksial Unconsolidated Undrained dan pengujian kuat geser langsung. Hasil pengujian dianalisis dengan menggunakan analisis regresi linier berganda antara hasil pengujian Triaksial Unconsolidated Undrained, hasil pengujian kuat geser langsung, dan sifat fisis tanah campuran sehingga didapatkan persamaan sederhana untuk memperkirakan parameter kuat geser tanah berdasarkan hasil pengujian Triaksial Unconsolidated Undrained, hasil pengujian kuat geser langsung, dan sifat fisis tanah campuran. Dengan menggunakan analisis regresi linier berganda, didapatkan korelasi parameter kuat geser (c dan ϕ) antara hasil pengujian triaksial, pengujian geser langsung, dan sifat-sifat fisik tanah. Nilai kohesi hasil pengujian triaksial lebih besar 1,1 – 1,3kg/cm2 daripada nilai kohesi uji geser langsung untuk kondisi basah dengan selisih rata-rata 1,26kg/cm2 dan 0,7 – 0,9kg/cm2 untuk kondisi kering dengan selisih rata-rata 0,892kg/cm2. Sedangkan nilai sudut geser hasil pengujian geser langsung untuk kondisi basah lebih besar 24o – 42o daripada sudut geser uji triaksial dengan selisih rata-rata 35,138o dan untuk kondisi kering lebih besar 1,7o – 19,7o daripada sudut geser uji triaksial dengan selisih rata-rata 11,56o. This study aims to get the relationship (correlation) between the shear strength parameters obtained from unconsolidated undrained triaxial test and direct shear test. The test results were analyzed using multiple linear regression analysis between the results of unconsolidated undrained triaxial tests, the results of direct shear test, and physical properties of the soil mixture to obtain a simple equation to estimate the shear strength parameters based on the results of unconsolidated undrained triaxial test, results of direct shear test, and physical properties of the mixed soil. By using multiple linear regression analysis, correlation shear strength parameters (c and ϕ) between the results of triaxial, direct shear test, and physical properties of soil tests is obtained. The Cohesion value of triaxial test results are bigger 1.1 to 1.3 kg/cm2 than the value of cohesion direct shear test for wet conditions with an average difference of 1,26kg /cm2 and 0.7 – 0,9kg/cm2 for dry conditions with average differences 0,892kg/cm2. While the value of the angle of internal friction of direct shear test results for wet conditions are bigger 24o - 42o than the angle of internal friction of triaxial test with average differences 35,138o and for dry conditions is bigger 1,7-19,7o than the angle of internal friction of triaxial test with an average difference of 11,56o.
| Jenis Karya Akhir: | Skripsi |
|---|---|
| Subyek: | > Mesin (General). Mesin Sipil (General) > Mesin (General). Mesin Sipil (General) Mesin (General). Mesin Sipil (General) |
| Pengguna Deposit: | 6988214 . Digilib |
| Date Deposited: | 03 Mar 2015 08:41 |
| Terakhir diubah: | 03 Mar 2015 08:41 |
| URI: | http://digilib.unila.ac.id/id/eprint/7600 |
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