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丰山铜矿副井距北露天边坡较近。剥离、开挖造成的边坡岩体应力的调整及开挖过程中爆破振动,可能影响副井的稳定性。本文论述副井稳定性的评判。结果表明:爆破振动不足以引起副井井壁、井塔破裂,边坡岩体应力的调整未危及副井和围岩的稳定性。
Fengshan Copper Mine from the northern open pit near the slope. The adjustment of stress of slope rock mass caused by peel and excavation and blasting vibration during excavation may affect the stability of the auxiliary well. This article discusses the evaluation of vice-well stability. The results show that the blasting vibration is not enough to cause the shaft wall and the tower of the auxiliary shaft to rupture, and the adjustment of the stress of the slope rock mass does not endanger the stability of the auxiliary shaft and the surrounding rock.