饱和渗流对土洞拓展机理研究  

Study on the mechanism of soil cavity expansion under saturated seepage

作　　者：李天慈[1] 

机构地区：[1]中国地质大学(武汉)工程学院,湖北武汉430074

出　　处：《山西建筑》2016年第26期69-71,共3页Shanxi Architecture

摘　　要：简述了土洞的形成与发育原因,介绍了地下水对土洞拓展的影响,探讨了渗流对土洞土体的作用机理,并结合土层的水文地质条件及土力学参数,对土洞的拓展进行了有效的预测评估。This paper discussed the formation and developmental reasons of soil cavity,introduced the influence of groundwater to soil cavity development,discussed the mechanism of seepage to soil cavity and soil,and combining with the soil hydrology geology conditions and soil mechanics parameters,made effective prediction and evaluation to soil cavity development.

关 键 词：土洞 渗流 剥落力 剪应力 

分 类 号：TU411.4[建筑科学—岩土工程]