经与规定的质点振动速度和围岩变形相对允许值比较、分析，认为该工程爆破参数和支护措施是适宜的。
These data are analyzed and compared to stipulate sound particle velocity and permissible value of wall rock. The engineering blasting parameters and timbering measures are suitable for th...
经与规定的质点振动速度和围岩变形相对允许值比较、分析，认为该工程爆破参数和支护措施是适宜的。
These data are analyzed and compared to stipulate sound particle velocity and permissible value of wall rock. The engineering blasting parameters and timbering measures are suitable for th...
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