Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur

This study investigates the slope failure at Taman Setiawangsa, Kuala Lumpur by using back analysis approach. The catastrophic slope failure was triggered by a rainfall that occurred 2 days before the occurrence of slope failure. Site investigation that includes borehole sampling was conducted to ob...

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Main Author: Mohamad Najib, Fatin Hazwani
Format: Thesis
Language:English
Published: 2016
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Online Access:http://eprints.utm.my/id/eprint/80977/1/FatinHazwaniMohamadMFKA2016.pdf
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spelling my-utm-ep.809772019-07-24T00:13:40Z Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur 2016-12 Mohamad Najib, Fatin Hazwani TA Engineering (General). Civil engineering (General) This study investigates the slope failure at Taman Setiawangsa, Kuala Lumpur by using back analysis approach. The catastrophic slope failure was triggered by a rainfall that occurred 2 days before the occurrence of slope failure. Site investigation that includes borehole sampling was conducted to obtain representative information for the study area. The slope can be divided into 3 layers namely Sandy SILT, decomposed of rock and bedrock. Due to the uncertainty about the actual cause of failure initiation, back analyses have been performed via Geostudio 2012 - SLOPE/W and Rocscience - Slide 6.0 for considering various probable mechanisms. In order to deal with the uncertainty and variability of the soil parameters, Limit Equilibrium Method was adopted in this study. Analysis results show that the slope failure is influenced by the shear strength parameter where the cohesion and friction angle at failure were 6 kPa and 33° respectively for a value of FOS is equal to 1.0. For remedial work design of new slope, several options were proposed with comparison on slope stability analyses. Analysis results using SLOPE/W found that the value of FOS obtained for analysis ‘without’ CBP wall is 1.2 and ‘with’ CBP wall is 1.5. In addition, for local stability value of FOS is checked for lower berm of the cut slope is 1.6 and at soil nail’s berm is 2.0. Therefore, this study agreed that the best and recommended design’s option of remedial work is using cut slope with CBP wall with highest FOS value achieved is 1.5. 2016-12 Thesis http://eprints.utm.my/id/eprint/80977/ http://eprints.utm.my/id/eprint/80977/1/FatinHazwaniMohamadMFKA2016.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:120442 masters Universiti Teknologi Malaysia, Faculty of Engineering - School of Civil Engineering Faculty of Engineering - School of Civil Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TA Engineering (General)
Civil engineering (General)
spellingShingle TA Engineering (General)
Civil engineering (General)
Mohamad Najib, Fatin Hazwani
Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur
description This study investigates the slope failure at Taman Setiawangsa, Kuala Lumpur by using back analysis approach. The catastrophic slope failure was triggered by a rainfall that occurred 2 days before the occurrence of slope failure. Site investigation that includes borehole sampling was conducted to obtain representative information for the study area. The slope can be divided into 3 layers namely Sandy SILT, decomposed of rock and bedrock. Due to the uncertainty about the actual cause of failure initiation, back analyses have been performed via Geostudio 2012 - SLOPE/W and Rocscience - Slide 6.0 for considering various probable mechanisms. In order to deal with the uncertainty and variability of the soil parameters, Limit Equilibrium Method was adopted in this study. Analysis results show that the slope failure is influenced by the shear strength parameter where the cohesion and friction angle at failure were 6 kPa and 33° respectively for a value of FOS is equal to 1.0. For remedial work design of new slope, several options were proposed with comparison on slope stability analyses. Analysis results using SLOPE/W found that the value of FOS obtained for analysis ‘without’ CBP wall is 1.2 and ‘with’ CBP wall is 1.5. In addition, for local stability value of FOS is checked for lower berm of the cut slope is 1.6 and at soil nail’s berm is 2.0. Therefore, this study agreed that the best and recommended design’s option of remedial work is using cut slope with CBP wall with highest FOS value achieved is 1.5.
format Thesis
qualification_level Master's degree
author Mohamad Najib, Fatin Hazwani
author_facet Mohamad Najib, Fatin Hazwani
author_sort Mohamad Najib, Fatin Hazwani
title Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur
title_short Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur
title_full Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur
title_fullStr Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur
title_full_unstemmed Slope analysis and remedial work on landslide at Taman Setiawangsa, Kuala Lumpur
title_sort slope analysis and remedial work on landslide at taman setiawangsa, kuala lumpur
granting_institution Universiti Teknologi Malaysia, Faculty of Engineering - School of Civil Engineering
granting_department Faculty of Engineering - School of Civil Engineering
publishDate 2016
url http://eprints.utm.my/id/eprint/80977/1/FatinHazwaniMohamadMFKA2016.pdf
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