ore pillar dilapidation
常见例句
- In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.
本文根据木架山的具体条件，提出了应用切顶与矿柱崩落联合法进行木架山采空场处理。 - Roof stress-distribution and surface subsidence & rock movement are studied respectively by 3D FEM code ANSYS before and after ore pillar dilapidation and roof cutting .
应用三维ANSYS有限元程序研究了切顶与矿柱崩落前后顶板的应力分布状态和岩体移动情况。 返回 ore pillar dilapidation