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Title: Effects of rainfall characteristics on the stability of tropical residual soil slope
Authors: Rahardjo, Harianto
Satyanaga, Alfrendo
Leong, Eng Choon
Keywords: Rainfall Characteristics
Residual Soil Slope
Engineering::Environmental engineering
Issue Date: 2016
Source: Rahardjo, H., Satyanaga, A., & Leong, E. C. (2016). Effects of rainfall characteristics on the stability of tropical residual soil slope. E3S Web of Conferences, 9, 15004-. doi:10.1051/e3sconf/20160915004
Series/Report no.: E3S Web of Conferences
Abstract: Global climate change has a significant impact on rainfall characteristics, sea water level and groundwater table. Changes in rainfall characteristics may affect stability of slopes and have severe impacts on sustainable urban living. Information on the intensity, frequency and duration of rainfall is often required by geotechnical engineers for performing slope stability analyses. Many seepage analyses are commonly performed using the most extreme rainfall possible which is uneconomical in designing a slope repair or slope failure preventive measure. In this study, the historical rainfall data were analyzed and investigated to understand the characteristics of rainfall in Singapore. The frequency distribution method was used to estimate future rainfall characteristics in Singapore. New intensity-duration-frequency (IDF) curves for rainfall in Singapore were developed for six different durations (10, 20, 30 min and 1, 2 and 24 h) and six frequencies (2, 5, 10, 25, 50 and 100 years). The new IDF curves were used in the seepage and slope stability analyses to determine the variation of factor of safety of residual soil slopes under different rainfall intensities in Singapore.
DOI: 10.1051/e3sconf/20160915004
Rights: © 2016 The Author(s) (published by EDP Sciences). This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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