土工基础

›› 2013, Vol. 27 ›› Issue (4): 89-91.

• 工程实录 • 上一篇    下一篇

用非饱和土渗透理论分析降雨对边坡稳定的影响

陈国国,徐名彬   

  1. （深圳高速工程顾有限公司,广东深圳 518000）
  • 收稿日期:2013-05-16 出版日期:2013-08-20 发布日期:2013-08-27
  • 作者简介:陈国国(1982-)，男，硕士，工程师，研究方向为岩土工程勘察设计。

Unsaturated Soil Mechanics Approach to the Effect on Precipitation on the Slope Stability

CHEN Guoguo, XU Mingbin   

  1. (Shenzhen Expressway Consulting Co., Ltd.,Shenzhen Guangdong,518000)
  • Received:2013-05-16 Online:2013-08-20 Published:2013-08-27

摘要： 对非饱和土渗流及强度理论进行了简要介绍，结合工程实例分析了降雨对边坡的影响机理，模拟出了边坡孔隙水压力瞬时分布，将基质吸力引入稳定性计算中，提供了一种评价降雨对边坡稳定性影响的定量分析方法。

关键词: 非饱和, 降雨, 基质吸力, 稳定性

Abstract: This paper first briefly introduces the principles of seepage in the unsaturated soils. Then, a case history is presented to analyze the effect of the precipitation on the stability of the slopes. The distribution of the pore pressures along the slopes is numerical simulated. A new slope stability analysis approach is presented by introducing the matric suction into the stability analysis.

Key words: Unsaturated Soils, Precipitations, Matric Suction, Slope Stability