铁路路基岩溶地面塌陷模型分析与讨论  

Analysis and Discussion on Karst Surface Collapse Model in Railway Subgrade

作　　者：王清海[1] 

机构地区：[1]中铁二院工程集团有限责任公司,成都610031

出　　处：《路基工程》2010年第4期151-153,共3页Subgrade Engineering

摘　　要：为建立合理的岩溶地面塌陷分析评价和切实的防治设计方法,文中通过对铁路路基典型的岩溶地面塌陷模型进行分类和抽象研究,归纳了岩溶地面塌陷的基本模型和塌陷机制,提出了塌陷物质特征、运移与塌陷通道特征、运移与塌陷动力特征三个岩溶地面塌陷基本因素。结合塌陷模型机理和塌陷基本特征对预测评价方法展开讨论,提出了建立岩溶地面塌陷动态预测评价分析的基本思路和方法。In order to establish reasonable evaluation method for karst surface collapse and practical prevention method,this paper summarizes the basic model of karst surface collapse and its mechanism through classification and Abstract study of the typical karst surface collapse model in railway subgrade.It puts forward three basic factors for karst surface collapse such as physical characteristics of collapse,displacement and collapse channel characteristics,displacement and collapse dynamic characteristics.Combined with collapse model mechanism and its basic characteristics,this paper discusses prediction method of surface collapse and puts forward the basic thought and method for dynamic prediction and analysis of karst surface collapse.

关 键 词：岩溶地面塌陷 塌陷机理 影响因素 因子分析 

分 类 号：U213.14[交通运输工程—道路与铁道工程]