基于综合决策云模型的围岩稳定性分级方法研究

周科平,侯霄峰,林允

Research on Classification Method of Surrounding Rock Stability Based on Comprehensive Decision Cloud Model

Keping ZHOU,Xiaofeng HOU,Yun LIN

表3 隧道围岩分析数据

Table 3 Analysis data of tunnel surrounding rock

样本 Rc/MPa Kv RQD/% K1 K2 实际级别 1 38.1 0.16 18.7 0 0.3 Ⅴ 2 37.1 0.18 27.4 0.2 0.1 Ⅴ 3 38.0 0.45 90.0 0.4 0.1 Ⅳ 4 38.0 0.35 91.0 0.2 0.2 Ⅲ 5 9.2 0.30 75.0 0.4 0.2 Ⅴ 6 17.4 0.34 38.4 0 0.2 Ⅳ 7 27.5 0.37 39.7 0 0.2 Ⅳ 8 56.8 0.50 58.9 0 0 Ⅲ 9 72.3 0.53 62.8 0 0 Ⅲ 10 67.5 0.45 58.9 0 0.2 Ⅳ 11 82.3 0.66 79.8 0 0 Ⅱ 12 56.1 0.29 41.5 0 0.2 Ⅳ 13 15.8 0.27 39.3 0 0.1 Ⅴ 14 49.2 0.19 29.8 0 0.6 Ⅴ 15 38.0 0.80 93.0 0.3 0.2 Ⅲ 16 21.4 0.17 25.9 0.3 0.1 Ⅴ 17 38.0 0.60 92.0 0.2 0.2 Ⅳ 18 65.9 0.58 69.3 0 0.2 Ⅲ 19 54.3 0.30 33.6 0.1 0 Ⅳ 20 47.1 0.25 27.5 0.2 0.3 Ⅴ