girder casing

Stress distribution of shield-beam is calculated by the means of translating its three dimensional CAD model directly into finite analysis system.

将掩护梁三维CAD实体模直接型转入有限元系统的方法对掩护梁进行应力计算,为掩护梁的强度设计提供了更详细的应力参考数据。

Discrete Element mumerical simulation of board split structure roof achor beam support;

板裂结构顶板锚梁支护的离散元数值模拟