Temperature-driven parameter reduction finite element method for slope stability analysis of earth-rockfill dam

OUYANG Jun; XU Qian-jun; SHI Ke-bin; YAN Xin-jun; GONG Jing-wei

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Temperature-driven parameter reduction finite element method for slope stability analysis of earth-rockfill dam

更新时间：2026-06-25

- Temperature-driven parameter reduction finite element method for slope stability analysis of earth-rockfill dam
- Vol. 32, Issue 8, (2011)
- 作者机构：
  
  1. 新疆农业大学水利与土木工程学院,乌鲁木齐,830052
  2. 清华大学水沙科学与水利水电工程国家重点实验室,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：16 August 2011，
  
  Published：2011
- 稿件说明：
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OUYANG Jun, XU Qian-jun, SHI Ke-bin, et al. Temperature-driven parameter reduction finite element method for slope stability analysis of earth-rockfill dam[J]. 2011, 32(8).
DOI：

OUYANG Jun, XU Qian-jun, SHI Ke-bin, et al. Temperature-driven parameter reduction finite element method for slope stability analysis of earth-rockfill dam[J]. 2011, 32(8). DOI：

摘要

将土石坝渗流的有限元计算和坝坡稳定分析的强度折减有限元法相结合，对土石坝坝坡的稳定性进行分析。考虑渗流作用时，首先采用有限元法计算坝体渗流场，通过迭代计算出稳定渗流的逸出点和浸润线位置，并根据水力梯度计算坝体所受的渗透力；然后将渗流分析所确定的渗流力与土体自重、浮力、地震力等荷载共同施加在坝体上，采用温控参数折减有限元法计算土石坝坝坡的临界失稳状态及其所对应的安全系数。分析结果表明，采用此方法进行土石坝坝坡稳定分析是合理的，且大大提高了计算效率

Abstract

Combining seepage finite element calculation and slope stability analysis of strength reduction finite element method

slope stability of earth-rockfill dam is analyzed. When considering the effect of seepage

the seepage field of the dam is calculated by finite element method at first; and then the position of the spill point and the saturation line at steady seepage are calculated through iteration; the seepage forces are calculated according to the hydraulic gradient. Seepage forces

dead weight

buoyancy and seismic force are loaded on the dam; the critical instability state and safety factor of the dam are calculated using temperature-driven parameter reduction finite element method. The analysis results show that the method is reasonable and efficient for slope stability analysis of earth-rockfill dam

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