In accordance with mine field range and topo-geological conditions of quarry for traffic roads in Yangcheng County and in consideration of economic and technical requirements,slicing mining method is adopted and blasting method is correspondingly designed.%根据阳城县某采石场的矿区范围与地形地质条件,同时考虑经济技术要求,选择分层开采法作为采矿方法,并进行了爆破设计。
展开▼