Ferniawan, Faizal Tedy and Asyifa, Adwiyah (2021) ANALISIS STABILITAS LERENG UNTUK UPAYA PENCEGAHAN TANAH LONGSOR DENGAN MENGGUNAKAN SIMPLIFED BISHOP METHOD DAN PROGRAM PLAXIS V.8.6. (Studi Kasus : Dusun Gayamharjo, Yogyakarta) SLOPE STABILITY ANALYSIS FOR LANDSLIDE PREVENTION USING SIMPLIFED BISHOP METHOD AND PLAXIS V.8.6 PROGRAM. (Case Study: Gayamharjo Hamlet, Yogyakarta). Tugas Akhir thesis, University Technology Yogyakarta.
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Abstract
Penelitian ini bertujuan untuk menentukan analisis stabilitas tanah dengan dinding penahan tanah untuk becana longsor pada Dusun Gayamharjo, Kec. Prambanan, Kabupaten Sleman. Manfaat penelitian ini dapat meningkatkan kesadaran masyarakat dan pemerintah untuk membuat struktur dinding penahan tanah dalam upaya tanah longsor jika curah itensitas tinggi pada Dusun Gayamharjo, Kec. Prambanan, Kabupaten Sleman. Metode yang digunakan adalah Simplifed Bishop Method digunakan untuk mencari stabilitas tanah, melalui media wawancara permasalahan, mengukur keadaan dilapangan, mengambil sampel tanah untuk diteliti di Univeristas Teknologi Yogyakarta bagian Laboratorium Mekanika Tanah untuk mengetahui kestabilitas tanah. Perencanaan dinding penaha tanah khususnya pada jenis dinding kantilever dikarenakan ketinggian maksimum 9 meter. Pada penggunaan program Palxis V.8.6 digunakan utnuk keadaan dilapangan kemudian diberikan perencanaan dinding penahan tanah kantilever secara langsung mengetahui secara aman. Hasil penelitian berupa Simplifed Bishop Method dalam lapisan pertama yaitu 1,2 dan untuk lapisan ke dua adalah 1,4. Metode plaxis mengetahui nilai faktor aman adalah 1,23. Diketahui dalam Stabilitas Geser 3,716 ≥ 1,5 yang dinyatakan sudah aman, Pada Stabilitas Guling 4,790 ≥ 1,5 yang dinyatakan sudah aman, dan pada Stabilitas Daya Dukung Tanah 3,579 ≥ 3 yang dinyatakan sudah aman, Kata kunci: stabilitas tanah, Simplifed Bishop Method, Gayamharjo This study aims to determine the analysis of soil stability with retaining walls for landslides in Gayamharjo Hamlet, Kec. Prambanan, Sleman Regency. The benefits of this research can increase public and government awareness to build a retaining wall structure in an effort to prevent landslides if the rainfall intensity is high in Gayamharjo Hamlet, Kec. Prambanan, Sleman Regency. The method used is the Simplified Bishop Method which is used to find soil stability, through interviewing problems, measuring conditions in the field, taking soil samples to be studied at the Yogyakarta University of Technology section of the Soil Mechanics Laboratory to determine soil stability. The design of retaining walls, especially in the type of cantilever walls, is due to the maximum height of 9 meters. Palxis V.8.6 is used for field conditions and then the cantilever retaining wall planning is given directly to know safely. The results of the research using the Simplified Bishop Method in the first layer are 1.2 and for the second layer are 1.4. According to the Plaxis method the value of the safety factor is 1.23. It is known that the Shear Stability of 3,716 1.5 which is declared safe, On the Overturning Stability of 4.790 1.5 which is declared safe, and the Soil Bearing Stability of 3.579 3 which is declared safe, Keywords: soil stability, Simplified Bishop Method, Gayamharjo
| Item Type: | Thesis (Skripsi, Tugas Akhir or Kerja Praktek) (Tugas Akhir) |
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Sains dan Teknologi > S1 Teknik Sipil |
| Depositing User: | Kaprodi S1 Teknik Sipil UTY |
| Date Deposited: | 06 Jan 2022 03:40 |
| Last Modified: | 06 Jan 2022 03:40 |
| URI: | http://eprints.uty.ac.id/id/eprint/9029 |
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