深基坑开挖致高铁桥墩位移的SVM预测方法

宋旭明,李小龙,唐冕,王天良,程丽娟

SVM prediction method for displacement of high-speed railway piers caused by deep foundation pit excavation

Xuming SONG,Xiaolong LI,Mian TANG,Tianliang WANG,Lijuan CHENG

表 4 超参数设计及相应训练模型回归评价指标

Tab.4 Hyperparameter design and corresponding training model regression evaluation indicators

组号 C γ Y Z R2 RMSE/mm R2 RMSE/mm 1 100 5.000 0.9999 0.0032 0.9999 0.0004 2 70 2.500 0.9999 0.0031 0.9999 0.0004 3 10 0.600 0.9998 0.0060 0.9953 0.0048 4 11 0.089 0.9968 0.0291 0.9807 0.0097 5 30 0.100 0.9989 0.0176 0.9849 0.0086 6 2 0.500 0.9982 0.0220 0.9872 0.0079 7 0.05 1.000 0.8771 0.1817 0.8368 0.0283 8 0.2 0.050 0.8425 0.2057 0.7404 0.0357