基于不同岩体稳固级别的地下采场结构参数优化

万串串,陈国良,周高明,于世波,解联库,唐细卓

Optimation of Underground Stope Structure Parameters Based on Different Rockmass Stability Classification

Chuanchuan WAN,Guoliang CHEN,Gaoming ZHOU,Shibo YU,Lianku XIE,Xizhuo TANG

表2 Barton经验公式计算的采场宽度统计

Table 2 Statistics of stope width calculated by Barton empirical formula

岩体稳固级别 RMR Q SRF J w Q ? ESR 采场宽度/m 稳固 64 8.5770 2.5 1.0 21.4424 3.5 16.5 中等稳固 60 4.6416 2.5 1.0 11.6040 3.5 12.9 一般稳固 54 1.8478 2.5 1.0 4.6196 3.5 8.9 不稳固 ＜54 - - - - - -