平庄西露天矿爆破作用对边坡影响

Effect of blasting on slope in Pingzhuang West Open-pit Mine

基于在平庄西露天矿实测的爆破振动数据,拟合获得适用于现场爆破振速计算公式,从爆破振动角度对临近通风井的安全进行预测。综合考虑自重因素与爆破作用,利用ANSYS软件模拟边坡岩体的影响区域,分析边坡各位置应力分布情况,针对边坡的危险区域提出控制方法。

Based on the measured blasting vibration data in Pingzhuang West Open-pit Mine, the author obtains the calculation formula suitable for on-site blasting vibration velocity. From blasting vibration aspect, the article forecasts safety near the ventilation shaft. Considering the weight factors and blasting effect, the author uses ANSYS software to simulate the effect areas of slope rock, analyzes stress distribution of slope position and presents the control method aiming at slope dangerous areas.