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覆盖型岩溶潜蚀塌陷临界裂隙开度模型试验研究

任新红 郭永春 王清海 孙金辉 彭辉

水文地质工程地质2012,Vol.39Issue(5):84-87,4.
水文地质工程地质2012,Vol.39Issue(5):84-87,4.

覆盖型岩溶潜蚀塌陷临界裂隙开度模型试验研究

Experiment research of the critical fissure width of collapse of covered karst during underground erosion

任新红 1郭永春 1王清海 2孙金辉 1彭辉1

作者信息

  • 1. 西南交通大学地学学院,成都610031
  • 2. 中铁二院集团有限公司,成都610031
  • 折叠

摘要

Abstract

Based on the experiment and theoretical studies, the relationship between the collapse of covered karst during underground erosion and the fissure width of the limestone was examined. The results show that the critical fissure width is the key factor for the collapse of covered karst due to underground erosion. In the meanwhile, the types of covered soils, compactness, and critical hydraulic gradient are also important. The assessment method of critical fissure width was set up.

关键词

临界裂隙开度/潜蚀/塌陷/覆盖型岩溶

Key words

Critical fissure width/ underground erosion/ collapse/ covered Karst

分类

建筑与水利

引用本文复制引用

任新红,郭永春,王清海,孙金辉,彭辉..覆盖型岩溶潜蚀塌陷临界裂隙开度模型试验研究[J].水文地质工程地质,2012,39(5):84-87,4.

基金项目

中央高校基本科研业务费专项资金项目资助(A09205020511113-139) (A09205020511113-139)

水文地质工程地质

OA北大核心CSCDCSTPCD

1000-3665

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