Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/159388
Title: Regional stability and adaptation measures slope failures due to rainfall in Singapore
Authors: Chan, Claire Yi En
Ng, Qi Long
Satyanaga, Alfrendo
Rahardjo, Harianto
Keywords: Engineering::Civil engineering
Issue Date: 2021
Source: Chan, C. Y. E., Ng, Q. L., Satyanaga, A. & Rahardjo, H. (2021). Regional stability and adaptation measures slope failures due to rainfall in Singapore. Environmental Geotechnics. https://dx.doi.org/10.1680/jenge.20.00089
Journal: Environmental Geotechnics 
Abstract: As heavier rainfall intensities are expected in the future, it is important to employ preventive measures for the anticipated possibility of residual soil slope failures. This study primarily focuses on the principles of unsaturated soil mechanics to establish an appropriate framework for adaptation measures against extreme rainfall conditions. These adaptation measures consist of the development and evaluation of slope susceptibility maps, as well as the planting of vegetation for critical slopes based on regional stability analyses of residual soils within Bukit Timah Granite and Old Alluvium in Singapore. In this study, slope susceptibility maps were developed for three zones of residual soils within Bukit Timah Granite and Old Alluvium in Singapore. The pore-water pressure distributions and factors of safety within each zone were obtained from the Transient Rainfall Infiltration and Grid-based Regional Slope-stability model (TRIGRS) analysis and Scoops3D software, respectively. Results from the slope susceptibility maps were verified against two-dimensional (2D) numerical analyses. The 2D numerical models were verified through instrumentation data. The results from slope susceptibility maps agreed with the results from 2D numerical analyses. In addition, the inclusion of vegetation at the slope face was concluded to be an effective slope stabilisation measure from the simulated 2D numerical analyses.
URI: https://hdl.handle.net/10356/159388
ISSN: 2051-803X
DOI: 10.1680/jenge.20.00089
Schools: School of Civil and Environmental Engineering 
Rights: © 2021 ICE Publishing. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

SCOPUSTM   
Citations 50

3
Updated on Jul 13, 2024

Page view(s)

112
Updated on Jul 20, 2024

Google ScholarTM

Check

Altmetric


Plumx

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.