Deformation and failure law of the covered rock mass in the close laneways and the calculating of rock pillar load among laneways become one of the hot topics in the field of underground engineering.
近距离巷道群围岩的变形破坏规律和巷间岩柱荷载计算成为地下工程界十分关注的热点课题之一。
The critical load and critical stress were deduced by means of energy principle and catastrophe theory based on these conditions, and the buckling model of pillar was presented.
在此基础上，应用能量原理及突变理论推导矿柱失稳的临界载荷及临界应力，提出矿柱发生失稳的屈曲模型。
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 wall slewing crane requires no floor space, can be mounted on load-bearing concrete walls, pillar or machines with easy installations.
墙壁式悬臂吊不占用地面面积，可以安装在墙上，厂房立柱上或机器设备上，其固定方式十分简单。
The paper numerically demonstrates the pillar failure process-from micro crack to macro crack to unstable failure and studies the relations between limit load and statistical mean strength.
分析结果再现了矿柱从微破裂产生到宏观裂纹形成、最后产生失稳破坏的全过程，并研究了统计平均强度与极限承载力的关系。
A pillar commonly has a load-Bearing or stabilizing function, But it may also stand alone, as do commemorative pillars.
一般起荷重或稳定作用，也可单独存在，如胜利柱、纪念柱等。
With a general program of the3 D RBJE, this paper calculated the upper bound of the square base limit load on the center of the top surface of the square pillar.
文中用通用的二维刚体元程序计算了正方形柱体顶面中心区域作用方形基础载荷情况的上限解。
With a general program of the3 D RBJE, this paper calculated the upper bound of the square base limit load on the center of the top surface of the square pillar.
文中用通用的二维刚体元程序计算了正方形柱体顶面中心区域作用方形基础载荷情况的上限解。
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