Coal-rock as a typical sedimentary rock has obvious stratification,namely it has transversely isotropic feature.Meanwhil......

本文在总结开滦赵各庄矿（-1100m）发生的两次冲击地压特征的基础上，从材料强度破坏、结构失稳、能量释放理论，分析了千米深井高应力、强......