EVALUASI KELONGSORAN PADA RUAS JALAN WELERI – SUKOREJO KM. 55 KAB. KENDAL

*Galieh Alfanto  -  Jurusan Teknik Sipil FT. UNDIP, Indonesia
Yusni Apriatmoko  -  Jurusan Teknik Sipil FT. UNDIP, Indonesia
Indrastono Dwi Atmanto  -  Jurusan Teknik Sipil FT. UNDIP, Indonesia
Bambang Pardoyo  -  Jurusan Teknik Sipil FT. UNDIP, Indonesia
Published: 30 Jan 2013.
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Section: Articles
Language: EN
Statistics: 59 69
Abstract

This undergraduate thesis is about the stability of slopes on Weleri roads, mechanisms and mitigation in Weleri – Sukorejo roads, Kendal Regency. The road was built to support economic growth in Weleri and its surroundings. The road across the hills and valleys that contain clay shale. Catastrophic landslide and slope occurs in Weleri – Sukorejo roads Km. 55, Kendal RegencyThis undergraduate thesis involves conditions which the motions of the soil on the slope because of slope unstability, manual calculation slope stability with Fellinius methods and Simplified Bishop methods, geotechnical analysis and the use of retaining wall with bored pile reinforcement as an alternative method of reinforcementGeotechnical analysis using Plaxis finite element software. Plastic and elastic model of Mohr-Coulomb failure criterion was chosen as a model soil. Analysis showed that the most optimum avalanche  mitigation is to install a retaining wall combine with group of bored pile reinforcement with a diameter of 1 meter which is modeled with elastic-plastic beam elements. By using retaining wall combine with geoup of bored pile reinforcement, minimum slope safety factor beincreased and reached 1.562.

Keywords: Landslides; Slope Stability; Fellinius; Bishop; Plaxis; Retaining Wall; Bored Pile

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