Teuku Fajriansyah, - (2020) EFEKTIVITAS METODE PEMADATAN RAPID IMPACT COMPACTION (RIC) VS METODE PEMADATAN ROLLER DALAM SKALA LABORATORIUM PADA STUDI KASUS PROYEK TOL DUMAI RIAU. S1 thesis, Universitas Pendidikan Indonesia.
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Abstract
Pemadatan dilakukan untuk mengurangi volume tanah, volume pori namun tidak mengurangi volume butir tanah. Pemadatan dengan metode RIC adalah sistem pemadatan tanah secara dinamis dengan konsep low energy dynamic compaction, yang pertama kali dikenalkan di United Kingdom tahun 1990 dan di tahun 2003 telah digunakan secara efektif di beberapa negara seperti Dubai UEA. Penelitian ini bertujuan untuk mengetahui efektivitas pemadatan RIC dibandingkan dengan metode pemadatan roller dengan menggunakan tanah timbunan Proyek Tol Dumai Riau. Pengujian awal tanah asli dilakukan dengan pengujian berat jenis tanah, pengujian hidrometer, pengujian kompaksi dan pengujian triaxial. Kemudian sampel tanah dipadatkan dengan metode roller dan rapid impact compaction. Hasil dari pemadatan tersebut diuji kepadatan dan kekuatan tanahnya serta dicari nilai efektifitasnya. Pengujian awal tanah asli menghasilkan data berat jenis tanah (gs) 2,712, distribusi tanah clay 1,77% dan silt 98,23%, kadar air optimum (Optimum Moisture Content, OMC) 16,086% dan berat volume maksimum (Maximum Dry Density, MDD) 1,817 gr/cm3, nilai cu (kuat geser tanah) = 0,33 kg/cm2 dan ϕ (sudut geser dalam) = 15,58. Komperasi hasil uji dalam skala laboratorium menunjukan pemadatan menggunakan metode RIC lebih efektif dibandingkan menggunakan metode roller pada segi waktu, penurunan, kepadatan serta kekuatan tanah yang dihasilkan. Dengan nilai efektivitas kuat geser tanah metode rapid impact compaction sebesar 291,81%, dan efektivitas sudut geser dalam rapid impact compaction sebesar 51,95%. Soil compaction is important in construction because it can reduce soil volume, pore volume without reducing soil grain volume. RIC (rapid impact compaction) method is a dynamic soil compaction system with low energy dynamic compaction concept. This method was first introduced in the United Kingdom in 1990 and was use effectively in some countries like Dubai, UEA in 2003. The purposes of these study is to determine the effectiveness of RIC method compared to roller compaction method using the heap soil of Dumai, Riau Toll Project. The soil was tested with specific gravity (gs) test, hydrometer test, compaction test and triaxial test. The soil samples were compacted with roller method and RIC method. The results were tested for density, strength and effectiveness. Initial testing on the soil resulted specific gravity (gs) of 2.712, clay soil distribution 1.77% and silt 98.23%, optimum moisture content 16.086% and maximum dry density 1.817 gr/cm3, cu value (cohesion) = 0.33 kg/cm3 and ϕ (internal-friction angle) = 15.58. The final result indicate that the RIC method is more effective than the roller method in term of time, deformation, density, strength of the resulting soil. Shear strength effectiveness value with RIC method is equal to 291.81%, and internal friction angle with RIC method is equal to 51.95%.
| Item Type: | Thesis (S1) |
|---|---|
| Uncontrolled Keywords: | compaction, roller method, rapid impact compactions method, effectiveness |
| Subjects: | L Education > L Education (General) T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Pendidikan Teknologi dan Kejuruan > Jurusan Pendidikan Teknik Sipil > Program Studi Teknik Sipil |
| Depositing User: | Teuku Fajriansyah |
| Date Deposited: | 05 Oct 2020 06:14 |
| Last Modified: | 05 Oct 2020 06:14 |
| URI: | http://repository.upi.edu/id/eprint/55856 |
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