surrounding rock failure的意思|示意

During the initial excavation, the tender coal seam workings in deep seam in Nantun Colliery takes on slocking of roof, with breaking-out in bulk coal and surrounding rock failure.

南屯煤矿深部松软煤层巷道，在掘进过程中顶板破碎，伴有大量顶煤冒落且围岩破坏严重。

It is important for reinforcement of surrounding rock mass to study the strength and failure modes of the rock mass with persistent cracks.

研究贯穿裂隙岩体的强度及其破坏方式对于围岩加固等具有重要意义。

The equilibrium equation of surrounding rock mining fault system is established. The fault destablizing process with shear failure pattern belongs to fold catastrophe model.

建立了矿井围岩-断层系统的准静态形变平衡方程，将呈剪切破裂形式的断层失稳过程归结为折迭突变模型。

Finally, creep failure mechanism of surrounding rock in deep mining is analyzed by stress difference theory.

并利用应力差理论分析了深部巷道围岩的蠕变破坏机理。

Based on the measured results and field survey, the cause of the failure and deformation of the surrounding rock around soft rock laneway in MaLuPing mine are discussed.

根据现场调查和实测结果，分析了马路坪矿软岩巷道围岩变形和破坏的主要原因。

With site investigation and observation as well as similar material model test, the paper analyzes the surrounding rock deformation and failure characteristics of roadways in high pitched seam.

通过现场调查、观测及实验室相似材料模型实验，分析了大倾角煤层巷道围岩的变形和破坏特征。