【摘要】 在许多地下巷道工程中,围岩巨大的变形严重影响巷道稳定性。这种大变形如果仅是应力重分布引起的体积膨胀则称为岩石扩容。岩石扩容与侧限压力有内在的联系。通过理论推导和试验分析得出和验证了岩石扩容与围压的关系函数,对稳定性分析和支护设计有较大的指导意义。更多还原

【Abstract】 Huge deformation of wall rock has a strong impact on the stability of roadway in many underground opening engineering.This large deformation is called for rock dilatancy if volume dilation only occurs owing to stress redistribution.There is an immanent relation between rock dilatancy and confining pressure,the function of the relation is studied by theoretical method and experimental method,and it will be a guide for stability analysis and support design.更多还原