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大量的研究表明，冲击矿压是由岩（煤）壁附近的剥离薄层的屈曲破坏而形成．运用断裂力学原理，分析了在岩（煤）壁附近压应力集中区内原生裂纹的亚临界扩展、贯通以及与自由表面的相互作用使裂纹沿最大压应力方向扩展，最终形成平行于自由表面的岩（煤）壁薄层的机理．建立了岩（煤）壁附近压裂纹的非时间相关和时间相关的２种滑移扩展方程，特别是与时间相关的亚临界扩展方程的建立，可使冲击矿压判据中引入时间参量．通过对裂纹未贯穿前的膨胀导致的自由面位移分析及薄层屈曲的能量计算，可为冲击矿压的预测预报提供新的理论依据．
Numerous studies have shown that rockburst is formed by the buckling failure of the peeled sheet near the rock (coal) wall. Based on the theory of fracture mechanics, the subcritical propagation of primary cracks in the compressive stress concentration zone near the rock (coal) wall and the interaction with the free surface are analyzed to make the crack expand along the direction of maximum compressive stress and finally form a plane parallel to the free surface Mechanism of thin layer of rock (coal) wall. Two non-time-dependent and time-dependent slip propagation equations for fracturing near the rock wall are established, especially the time-dependent subcritical expansion equation. The time parameters can be introduced into the rock burst criteria. The analysis of the free surface displacement and the energy calculation of the thin-walled buckling due to the non-penetrating crack can provide a new theoretical basis for the prediction of rock burst pressure.