A new method for the stability analysis of geosynthetic- reinforced slopes

This paper is concerned with the stability analysis of reinforced slopes. A new approach based on the limit equilibrium principle is proposed to evaluate the stability of the reinforced slopes. The effect of reinforcement is modeled as an equivalent restoring force acting the bottom of the slice and...

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Bibliographic Details
Published inJournal of mountain science Vol. 13; no. 11; pp. 2069 - 2078
Main Authors Song, Fei, Chen, Ru-yi, Ma, Li-qiu, Cao, Geng-ren
Format Journal Article
LanguageEnglish
Published Heidelberg Science Press 01.11.2016
Springer Nature B.V
Subjects
Earth and Environmental Science
Earth Sciences
Ecology
Environment
Geography
Mathematical models
Slope stability
Slopes
Stability analysis
刚体极限平衡法
力矩平衡
加筋边坡
土工合成材料
极限平衡原理
离心模型试验
稳定性分析
边坡稳定性
Stability analysis
General limit equilibrium method
Centrifuge model test
Limit equilibrium
Reinforced slope
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Summary:This paper is concerned with the stability analysis of reinforced slopes. A new approach based on the limit equilibrium principle is proposed to evaluate the stability of the reinforced slopes. The effect of reinforcement is modeled as an equivalent restoring force acting the bottom of the slice and added into the general limit equilibrium （GLE） method. The equations of force and moment equilibrium of the slice are derived and corresponding iterative solution methods are provided. The new method can satisfy both the force and the moment equilibrium and be applicable to the critical failure surface of arbitrary form. Furthermore, the results predicted by the proposed method are compared with the calculation examples of other researchers and the centrifuge model test results to validate its correctness and effectiveness.
Bibliography:SONG Fei1; CHEN Ru-yi1; MA Li-qiu2; CAO Geng-ren3（1 Institute of Geotechnical Engineering, School of Highway Engineering, Chang＇an University, Xi＇an 710064, China; 2 Guizhou Electricity Engineering Construction Supervise Company, Guiyang 550005, China; 3 Merchants Chongqing Communications Research and Design Institute Co., Ltd., Chongqing 400067, China）
Reinforced slope; Stability analysis; Limit equilibrium; General limit equilibrium method; Centrifuge model test
This paper is concerned with the stability analysis of reinforced slopes. A new approach based on the limit equilibrium principle is proposed to evaluate the stability of the reinforced slopes. The effect of reinforcement is modeled as an equivalent restoring force acting the bottom of the slice and added into the general limit equilibrium （GLE） method. The equations of force and moment equilibrium of the slice are derived and corresponding iterative solution methods are provided. The new method can satisfy both the force and the moment equilibrium and be applicable to the critical failure surface of arbitrary form. Furthermore, the results predicted by the proposed method are compared with the calculation examples of other researchers and the centrifuge model test results to validate its correctness and effectiveness.
51-1668/P
ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:1672-6316
1993-0321
1008-2786
DOI:10.1007/s11629-016-4001-8