... chamber and pillar system 房柱开采法 chamber blasting 药室爆破 chamber charge 洞室装药 ...
基于198个网页-相关网页
针对这一情况，从药室爆破放顶充填采空区，从而达到分层崩落法采矿的护顶层要求。
Based on this case, through filling the gob area by means of chamber blasting, the requirement of protective top - layer for slicing and caving can be achieved.
叙述了药室爆破的一般方法，并论述了通过合理改造，药室爆破在露天矿山生产中仍然具有实用价值。
The ordinary method of room-blasting is presented, and it is proved that room-blasting still has practical value to open pit provided it is reasonablely changed.
分析了集中药室爆破时，爆破冲击波和应力波对药室附近岩体的破碎过程及应力波在自由面的反射作用。
The paper analysed the process of smashing rock near a explosion source by shock wave and stress wave and the reflecting action of stress wave on the free face.
应用推荐