基于核主成分分析与SVM的岩爆烈度组合预测模型

许瑞,侯奎奎,王玺,刘兴全,李夕兵

Combined Prediction Model of Rockburst Intensity Based on Kernel Principal Component Analysis and SVM

Rui XU,Kuikui HOU,Xi WANG,Xingquan LIU,Xibing LI

表2 岩爆评价指标的相关系数

Table 2 Correlation coefficient of rockburst evaluation indexes

指标 σθ/MPa σc/MPa σt/MPa SCF B1 B2 Wet σθ/MPa 1.000 0.034 0.334 0.918 -0.248 -0.219 0.468 σc/MPa 0.034 1.000 0.422 -0.265 0.076 0.234 0.193 σt/MPa 0.334 0.422 1.000 0.164 -0.625 -0.471 0.329 SCF 0.918 -0.265 0.164 1.000 -0.258 -0.252 0.329 B1 -0.248 0.076 -0.625 -0.258 1.000 0.526 -0.108 B2 -0.219 0.234 -0.471 -0.252 0.526 1.000 -0.082 Wet 0.468 0.193 0.329 0.329 -0.108 -0.082 1.000