In this paper,the deformation law of supporting coal pillar at Sanbula district is analyzed by using numerical simulation and the reasonable size of coal pillar and the parameter of bolt in the entry is got.
采用数值模拟方法对天隆集团公司三不拉采区支撑煤柱的变形规律进行分析,得出了该采区的合理支撑煤柱尺寸以及巷道锚杆支护参数,对设计和施工有参考作用。
The principle that presupposed off-center can improve the mechanical behavior of the single-column supported curved beam was explained in this paper.
阐述了预设偏心能改善独柱支撑曲梁受力特性的原理,通过实例分析设置不同偏心值对相同半径曲梁内力的影响、以及不同偏心值对不同半径曲梁的内力影响,并得出了具有一般规律的特性。