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6 小红石砬子玉石矿工程实测数据和围岩分级结果

Table 6 Engineering measured data and surrounding rock classification results of Xiaohongshilazi jade mine

序号	R_c/MPa	K_v	RQD/%	K₁	K₂	综合确定度					本文结果	KNN	RF	现场级别
序号	R_c/MPa	K_v	RQD/%	K₁	K₂	$U (Ⅰ)$	$U (Ⅱ)$	$U (Ⅲ)$	$U (Ⅳ)$	$U (Ⅴ)$	本文结果	KNN	RF	现场级别
1	37.10	0.37	90.0	0.1	0.2	0.1308	0.3937	0.1778	0.0750	0.0795	Ⅱ	Ⅳ	Ⅳ	Ⅱ
2	56.10	0.45	60.0	0	0.1	0.3021	0.0453	0.3713	0.0177	0	Ⅲ	Ⅲ	Ⅳ	Ⅲ
3	23.28	0.19	25.9	0.3	0	0.0800	0.0006	0	0.0030	0.4129	Ⅴ	Ⅴ	Ⅴ	Ⅴ
4	54.30	0.34	36.8	0.1	0.1	0.1838	0.2580	0.3378	0.0821	0.1584	Ⅲ	Ⅳ	Ⅳ	Ⅲ
5	27.50	0.35	39.3	0.1	0.2	0.0063	0.3008	0.1175	0.1545	0.3730	Ⅴ	Ⅳ	Ⅳ	Ⅳ