通过工程实践表明，巷道底臌得到了有效控制。
The project practice showed that the floor heave can be effectively controlled.
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.
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