张集煤矿东翼轨道大巷底鼓机理探讨

Mechanism of Floor Heave in East Main Track-roadway in Zhangji Coal Mine

底鼓是巷道变形破坏的主要表现形式,针对不同的底鼓表现形式及机理,底鼓可以分为4种类型。针对张集煤矿东翼轨道大巷的底鼓现象,分析了底鼓的影响因素,对巷道底鼓的机理进行探讨,认为该种地质条件下的底鼓属于挤压流动性底鼓。

Floor heave is the main form of roadway＇ s damaging. Against the floor heave in east main track - roadway in ZhangJi Coal Mine, this paper analyses the influencing factor of floor heave , discuses the mechanism of floor heave, according to the analyzes, get the conclusion that the floor heave in the geological conditions is extruding and flowing floor heave.