ore pillar dilapidation
常見例句
- In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.
本文根據(jù)木架山的具體條件，提出了應用切頂與礦柱崩落聯(lián)合法進行木架山采空場處理。 - 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 .
應用三維ANSYS有限元程序研究了切頂與礦柱崩落前后頂板的應力分布狀態(tài)和巖體移動情況。 返回 ore pillar dilapidation