Analysis of sensitivity factors to stability of bedding rock cutting slope

GONG Wen-hui; WANG Ping; CHEN Feng

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Analysis of sensitivity factors to stability of bedding rock cutting slope

更新时间：2026-06-25

- Analysis of sensitivity factors to stability of bedding rock cutting slope
- Vol. 28, Issue 4, (2007)
- 作者机构：
  
  1. 华中科技大学土木工程与力学学院,武汉,430074
  2. 铁道第一勘察设计院,西安,710043
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU457
- Online First：05 September 2013，
  
  Published：2007
- 稿件说明：
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GONG Wen-hui, WANG Ping, CHEN Feng. Analysis of sensitivity factors to stability of bedding rock cutting slope[J]. 2007, 28(4).
DOI：

GONG Wen-hui, WANG Ping, CHEN Feng. Analysis of sensitivity factors to stability of bedding rock cutting slope[J]. 2007, 28(4). DOI：

摘要

运用弹塑性理论和有限元法，建立了顺层岩质路堑边坡稳定性的模拟分析模型。结合沪蓉国道主干线湖北宜昌至恩施高速公路的顺层岩质路堑高边坡工程，分析了结构面强度、岩层厚度、岩层倾角等各项因素对顺层岩质路堑边坡稳定性的影响，探讨了顺层岩质路堑边坡稳定性的规律。结果表明：软弱结构面的强度参数对顺层岩质路堑边坡稳定性起主要控制作用，岩层倾角对顺层岩质路堑边坡的稳定性也有明显的影响。在该工程的地质条件下，当岩层倾角为38°左右时，顺层路堑边坡的稳定性最差。

Abstract

Based on the elastoplastic theory and FEM

the simulation model for analyzing the stability of bedding rock cutting slopes is established. According to the engineering condition of high bedding rock cutting slopes in Yichang-Enshi Expressway in the Hu-Rong national main trunk

the stability sensibility of the bedding rock cutting slope to the influence factors

such as strength of the structural surface

thickness and inclination of rock stratum

is analyzed. The stability regularities of bedding rock cutting slopes are researched. The results show that the strength parameters of the structural surface play a main control role to the stability of bedding rock cutting slopes; and the rock stratum inclination has obvious influence on the stability of cutting rock slopes. In the engineering geological condition

the stability of the bedding rock cutting slope is in the poorest state when the rock stratum inclination is about 38°.

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Related Institution

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华中科技大学土木工程与力学学院

State Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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