Rainfall-based criteria for assessing slump rate of mountainous highway slopes: A case study of slopes along Highway 18 in Alishan, Taiwan

被引：32
作者：
Chang, Shun-Kung [1 ]
Lee, Der-Her [1 ,2 ]
Wu, Jian-Hong [1 ,2 ]
Juang, C. Hsein [3 ]
机构：
[1] Natl Cheng Kung Univ, Dept Civil Engn, Tainan 70101, Taiwan
[2] Natl Cheng Kung Univ, Sustainable Environm Res Ctr, Tainan 70101, Taiwan
[3] Clemson Univ, Dept Civil Engn, Clemson, SC 29634 USA
来源：
ENGINEERING GEOLOGY | 2011年 / 118卷 / 3-4期
关键词：
Slope failure (slump) rate; Daily rainfall; Effective rainfall; Case study; Artificial neural network; Genetic algorithm; ARTIFICIAL NEURAL-NETWORKS; CODED GENETIC ALGORITHM; LANDSLIDE-SUSCEPTIBILITY; DAMAGE DETECTION; FAILURE SURFACE; BACKPROPAGATION; OPTIMIZATION; RESERVOIR; HAZARD; FUZZY;
D O I：
10.1016/j.enggeo.2011.01.001
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A data-driven approach is considered in the present to investigate the relationship between the precipitation (rainfall) and the slump rate of highway slopes along Highway 18 in Alishan, Taiwan. The basis for the analysis presented herein is a set of 103 slope failure records collected from the study area, where each record consists of entries for daily rainfall, effective rainfall and other topographical and geological factors. To begin with, Artificial Evolution Neural Network (AENN), a data-driven approach, is first used to learn from past slope failure records. The results show that the developed AENN can accurately predict the occurrence of slope failure with a success rate of 99%. Then, this AENN model is employed to study the slump rate of slopes in the study area, and the computational results show that the slump rate can be accurately assessed based on the precipitation data that consists of daily rainfall and effective rainfall. A rainfall-based criterion is further developed as an early warning indicator for accelerated slump rate of slopes in the study area. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：63 / 74
页数：12
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