Therefore, the method of grouting bed separation can be adopted to ensure the long-term stability of the main key stratum, and eliminate the rock burst danger induced by main key stratum break.
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- 因此,可采用覆岩离层注浆等技术手段保证覆岩主关键层的长期稳定,消除主关键层岩破断引发的冲击矿压危险。