【摘要】 煤矿立井非采动破裂是一种矿井地质灾害,但对于立井破裂的原因有着多种认识,兖腾—徐淮矿区井筒发生破裂后,有一种观点认为造成井筒破裂的原因是该区内水平构造应力大所致,根据该矿区地应力与井筒破裂关系进行的分析研究,论证了该矿区的井筒破裂与水平构造应力并不存在着很密切的联系。更多还原

【Abstract】 Non-subsidence b reaking of shaft in coal mine is one kind of geological disaster.About the rea son of shaft breaking in Yanteng-Xuhuai mining area,some peple consider that caused by large horizontal structural stress,but through research on relation between ground stress of mining area and breaking of shaft,it has proved no clo se relation between breaking of shaft and horizontal structural stress in the mi ning area.更多还原