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对于某露天矿开采两面临空矿段的控制爆破,采取了以下措施:①利用地形、地物的优势合理地选取爆破参数和布孔;②精确计算每孔装药量,并进行适当调整;③利用两面临空条件,设计起爆网路及延时间隔时间,巧妙地利用起爆时差使爆破产生的反作用力互相抵消。这些措施确保了施工安全及爆破质量,获得了满意的效果。
The following measures are taken for the controlled blasting of an opencast mine on both sides of an empty ore section: ① Blasting parameters and holes are selected reasonably based on the advantages of topography and terrain; ② The amount of charge per hole is accurately calculated and adjusted; ③ Using both sides of the air conditions, detonation network and delay time interval design, clever use of detonation time difference so that the reaction of the blasting offset each other. These measures have ensured the construction safety and blasting quality, and obtained satisfactory results.