摘要
本论文采用边界元——有限元耦合应力分析方法,对美国King No.4煤矿中第四采区巷道底鼓与采空区和水平地质构造应力之间的关系进行了探讨。基于计算结果,本文发现较大的采空区范围以及较大的水平地质构造应力是导致该区域巷道底鼓的重要原因等结论。
This paper deals with the relationship between the floor heave and the gob height and horizontal tectonic stress in panel No.4 in U. S. King of No. 4 coal mine by using a hybrid boundary-element-finite element method of stress analysis. According to the calculation results, the writers arrive at the conclusion that the larger gob and larger horizontal tectonic stress are the important causes to induce the floor heave, etc.
