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Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 653282, 10 pages
Research Article

Rainfall Reliability Evaluation for Stability of Municipal Solid Waste Landfills on Slope

1Department of Water Resources and Environmental Engineering, Tamkang University, New Taipei City 25137, Taiwan
2Department of Construction Engineering, Chaoyang University of Technology, Taichung City 41349, Taiwan
3Project Department, GeoTech Science Corporation Ltd., New Taipei City 22103, Taiwan

Received 5 November 2012; Revised 12 February 2013; Accepted 28 February 2013

Academic Editor: Sunghwan Kim

Copyright © 2013 Fu-Kuo Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A method to assess the reliability for the stability of municipal solid waste (MSW) landfills on slope due to rainfall infiltration is proposed. Parameter studies are first done to explore the influence of factors on the stability of MSW. These factors include rainfall intensity, duration, pattern, and the engineering properties of MSW. Then 100 different combinations of parameters are generated and associated stability analyses of MSW on slope are performed assuming that each parameter is uniform distributed around its reason ranges. In the following, the performance of the stability of MSW is interpreted by the artificial neural network (ANN) trained and verified based on the aforementioned 100 analysis results. The reliability for the stability of MSW landfills on slope is then evaluated and explored for different rainfall parameters by the ANN model with first-order reliability method (FORM) and Monte Carlo simulation (MCS).