On the basis of the FEM analysis of the blast distress,the stress and displacement distribution are obtained and the rational distressing scheme is proposed.

• 对采区巷道底板孔底爆破卸压的数值模拟研究，初步得出了卸压后巷道围岩的位移场和应力场，并对不同卸压方案进行了分析比较，提出了合理的卸压方案。