【摘要】 研究卸压槽治理井壁破裂的机理，提出了卸压槽槽高设计方法，并结合临涣矿区卸压槽内压力和变形实测结果，分析了不同卸压槽的卸压效果。理论、应用和实测均证明开切卸压槽是治理立井井壁破裂的有效方法。更多还原

【Abstract】 The mechanism of pressure-relieving groodves for handling shaftwall break is analysed.The method for design of the grove height is offered.According to the measured stress and deformation in the grooves in Lin Huan Coal Areas, the effects of pressure-relieving of different groves are analysed.By the theoretical analysis and measurement,it is proved that pressure-relieving groove is effective on handling broken shaftwall.更多还原