摘要
从底板岩体极限承载力和岩体吸湿膨胀两方面分析了底鼓发生的机理，有助于确定合理的防治方法。
Mechanism of tunnel floor-heave has been studied from two aspects:ultimate bearing capacity of rock mass and its expansion caused by absorbing water.This study is helpful to determination of rational production measures.
出处
《云南冶金》
1998年第4期13-15,31,共4页
Yunnan Metallurgy
关键词
底鼓
极限承载力
剪切破坏
支承压力
岩体
巷道
floor-heave ultimate bearing capacity shear failure expansion abutment pressure
