分段空场采矿法是矿岩稳固至中等稳固的中厚及中厚以上急倾斜矿体的高效开采方法，具有开采强度大，劳动生产率高，通风条件好，管理简单等突出优点，在国内外矿山得到广泛的应用。该采矿方法的实质是沿矿块垂直高度划分若干分段，并在分段巷道或分段凿岩们中进行凿岩爆破，空 The sectional open-field mining method is an efficient mining method for ore rock solid to medium-stable steeply inclined ore body with medium and thick thickness. It has the advantages of large mining intensity, high labor productivity, good ventilation and simple management. In the domestic Outside the mine has been widely used. The essence of this mining method is to divide a number of sections along the vertical height of the ore block and carry out rock blasting in segmented tunnels or sectioned rock drills,