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本文分析了爆破卸压防止巷道底臌的力学原理，据此，确定了现场实验参数。声波检测表明，爆破法卸压是防治底臌的有效方法。
This paper analyzes the mechanics principle of blasting relief to prevent the bottom of roadway, and on this basis, the field experimental parameters are determined. Sonic detection shows that the pressure relief blasting method is an effective way to prevent and control.