Adaboost集成学习优化的巷道围岩松动圈预测研究

方博扬,赵国彦,马举,陈立强,简筝

Prediction Study on Loosening Ring of Surrounding Rock Around Roadways Using the Optimized Ensemble Learning Algorithms Based on Adaboost

Boyang FANG,Guoyan ZHAO,Ju MA,Liqiang CHEN,Zheng JIAN

表3 松动圈厚度实测值与计算值的对比

Table 3 Comparison between calculated values and measured values of thickness of loosening ring

序号

矿山名称

H/m

B/m

S/m²

R/MPa

实际值/m

预测值/m

相对误差/%

实例一

三山岛金矿

600

3.8

14.2

71.26

1.10

1.16

5.45

实例二

大顶山矿区

420

3.6

7.8

14.30

1.10

1.12

1.82

实例三

141

3.2

7.8

37.90

1.35

1.42

5.18