Stability analysis of high rock slope with FLAC

SUN Zong-jun; CHI Yan-zhi; LI Nai-yuan; LIU Xiao-bin

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Stability analysis of high rock slope with FLAC

更新时间：2026-06-25

- Stability analysis of high rock slope with FLAC
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 山东科技大学,泰安,271019
  2. 胶南市建筑工程质量监督站，胶南,266400
  3. 胶南市市政公用事业管理处，胶南,266400
- 作者简介：
- 基金信息：
- DOI：
  CLC： O241
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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SUN Zong-jun, CHI Yan-zhi, LI Nai-yuan, et al. Stability analysis of high rock slope with FLAC[J]. 2006, 27(S1).
DOI：

SUN Zong-jun, CHI Yan-zhi, LI Nai-yuan, et al. Stability analysis of high rock slope with FLAC[J]. 2006, 27(S1). DOI：

摘要

针对岩质高边坡的稳定性采用差分方法进行分析，通过对原始边坡和开挖后边坡的比较，岩质高边坡的破坏方式为旋转剪切滑动，滑动面为圆弧形的，应用圆弧法计算边坡稳定性。位移场分析得出，边坡的水平位移和竖直位移均比较大，位移区分层明显。应力场分析结果表明，原始边坡最大主应力和最小主应力方向主要为垂直向下，在坡角处，最大主应力和最小主应力发生了明显的偏转；开挖后，最小主应力在坡脚处出现应力集中，最大主应力不明显，坡顶和坡面一定厚度的岩体处于应力区，坡面一定厚度的岩体向着临空面滑移。

Abstract

The stability of high rock slope is analyzed with finite difference method. Comparing the difference between original and excavated slope some conclusions are acquired. The destroy mode is round and cut slippage. The slide face is an arc.So arc method is used to calculate the slope stability. The level and vertical displacement is relatively big. The delamination is evident. The maximum and minor principal stress is vertical. And their direction is inclined at the corner of the slope. The minor principal stress of the excavated slope is concentrated. The maximum one is not evident. Some rock area of at the tip and surface of the slope is tension- stress. And some rock slides towards the empty face.

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