在地压作用下，冻结壁产生超前位移，进而引起工作面的底臌。
Frozen wall produces advanced displacement on the action of ground pressure, and then the rise of working surface has happened.
最优设计的底臌量明显小于经验设计的底臌量，证明了方法的有效性。
The results shows that the floor heaves under optimal designs are much smaller than those under empirical designs and validate the method 's efficiency.
巷道底臌有挤压、压曲、膨胀和剪胀等形式，压曲底臌是最常见的一种形式。
There are roadway floor heave types such as extrusion, bending under pressure, expansion and shearing dilation, among them bending under pressure is the most common type.
随着矿井采深的增加，巷道顶底板岩层表现出软岩特性，常导致巷道形成严重的底臌。
With the increasing of mining depth, the roof-floor lithology of the tunnel shows the characteristics as soft rock, normally resulting in the drift floor-heave.
研究表明，巷道底臌有挤压、挠曲、膨胀和剪胀等形式，剪胀底臌是最常见的一种形式。
The study shows that laneway floor heave has various types such as extrusion, deflection, inflation and shear dilation, with the shear dilation being the most commonly seen.
计算机数值模拟及相似材料模拟试验研究表明，加固不同部位对控制底臌均有一定效果。
Numeric analysis using computer and simulation test with equivalent materials show that reinforcement of different positions of the gateway will help to control the floor heave.
计算机数值模拟及相似材料模拟试验研究表明，加固不同部位对控制底臌均有一定效果。
Numeric analysis using computer and simulation test with equivalent materials show that reinforcement of different positions of the gateway will help to control the floor heave.
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