roof-coal pillar的意思|示意

The roof of cavern is regarded as an elastic beam with support at the midpoint and the coal pillars are regarded as bearings so as to establishing a cavern roof-coal pillar system.

将顶板视为中点有支承的弹性固结梁，将煤柱视为支座，形成了顶板-煤柱系统。

Thereby it can be seen that the load of Shi ge-jie mine coal pillar roof with sheet character and fluctuate character are the key factors of support selecting.

从而提出石圪节煤矿残留煤柱顶板岩层具有明显的薄板特征、波动特征的基本顶载荷是支架选型的关键因素及综采回收矿井残留煤柱支架选型的依据。

The results show that there are great differences in the stress of roadway surrounding rock, and the stress and strain in coal pillar while the fracture line of main roof locates in different places.

研究表明，基本顶断裂线位于不同位置时，巷道围岩应力、煤柱应力及应变差异较大。

By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.

阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。

The results show that the abutment pressure distribution on coal pillar is the direct reflection of abutment stress induced by mining on the interfaces of coal seam and immediate roof.

研究结果表明，煤柱上支承压力分布是开采影响岩层相互作用的结果，是开采引起集中应力在煤层与直接顶界面上的直接反映。

While the coal seam hardness is definite, the increasing velocity of the width of the plastic zone of pillar decrease with the increase of interfacial bond property between coal seam and roof.

当煤层硬度一定时，随着煤层与顶底板界面粘结性能的提高，煤柱塑性区宽度增长的速度递减；