土工基础

›› 2014, Vol. 28 ›› Issue (4): 33-36.

• 工程实录 • 上一篇    下一篇

某岩溶塌陷成因分析及危险性预测

刘宝臣1，唐  黔1，邱孟尧2   

  1. （1.桂林理工大学土木与建筑工程学院，广西桂林 541004;2.武汉铁路局，武汉 430071）
  • 收稿日期:2013-12-17 出版日期:2014-08-20 发布日期:2014-08-27
  • 作者简介:刘宝臣（1968-），教授，研究方向为土木工程测试、教学及科学。
  • 基金资助:

    基金项目： 广西自然科学基金重点项目（ 2010GXNSFD013011 ）

Zhunyi Karst Terrain Sinkhole Collapse Evaluation and Hazard Predictions

LIU Baochen1, TANG Qian1, QIU Mengyao2   

  1. （1.College of Civil Engineering and Architecture, Guilin University of Technology, Guilin, 541004；
    2.Wuhan Railway Bureau, Wuhan 430071）
  • Received:2013-12-17 Online:2014-08-20 Published:2014-08-27

摘要： 岩溶塌陷具有分布广、发生频繁、产生条件复杂、预测困难、作用因素众多、形成机制的多样性、多变性和复杂性以及灾后治理费用昂贵等特征。对研究区岩溶塌陷的成因进行了分析，确定了岩溶条件、地下水条件、地形地貌条件、覆盖层条件、人类工程活动这5个塌陷因子，通过模糊综合分析法，利用excel算法对模糊综合分析法权重进行便捷计算，实现了对研究区岩溶塌陷的危险性分区，对岩溶塌陷危险性进行了评价。

关键词: 岩溶塌陷, 塌陷因子, 危险性评价, 模糊综合分析法

Abstract: Karst sinkhole hazards have the characteristics of wide distributions, frequent occurrences, hard to predict, many affecting factors; high variation and complication as well as high cost for the remediation after collapse. This paper evaluates aspects that cause the karst sinkholes and possible major factors that affecting the collapse are determined in order to provide predictions for the sinkhole risk potentials. The evaluation method utilizes the theory of analytic hierarchy process so that the risk potentials can be reliably evaluated in both quantitatively and qualitatively.  The five (5) subsidence factors, karst conditions, hydrological conditions, topographical conditions, cover thickness as well as human activities, are analyzed using hierarchy process. Their contribution to the collapse are weighted and programmed in excel spreadsheet. The regional subsidence potential is then provided.

Key words: Karst Sinkholes, Subsidence Factors, Risk Potential Evaluations, Analytical Hierarchy Process