Improving the control of blasting near miningexcavation can reduce a damage of blasting vibration effect to miningexcavation.
加强对井巷附近爆破的控制，可降低爆破地震效应对井巷的破坏。
2
It is proposed to decrease exposure time of miningexcavation to minimum and fill the excavation quickly using new filling method for security.
为确保采矿安全，减少采场空顶时间，采用了“强采快充”方法，并提出了快速充填具体办法。
3
According to the geologic environment of Beijing, the paper introduces the prevention and treatment measures for collapses in miningexcavation of shallow tunnels.