煤矿掘进炸药消耗定额 kgm3巷道断面支架或砌碹锚喷光爆锚喷软煤1.01.5硬煤23软岩23硬岩46软煤硬煤软岩中硬岩硬岩810坚硬岩1214M2 f<40.670.881.472.130.670.88<60.580.731.321.920.580.781.582.323.264.08<80.530.721.151.650.530.721.561.802.643.30<100.43