Rescue workers in 8 to start late, as the miners mining rescue channel and escapepassage.
救援人员于8月底开始，为矿工挖掘救援通道和逃生通道。
2
According to the size and height of the falling rock block, the thickness of the circular tube can be determined, which can provide the foundation of designing the escapepassage system.
同时，根据岩块大小和下落高度，可以通过计算凹陷变形而确定圆管厚度，为逃生管道的安全设计提供依据。
3
Besides, the influence of opening cross passage on the locations of escape and rescue sections is given under fire in highway tunnel.