基于隧道掘进机掘进过程的岩体状态感知方法
张娜,李建斌,荆留杰,杨晨,陈帅

Prediction method of rockmass parameters based on tunnelling process of tunnel boring machine
Na ZHANG,Jian-bin LI,Liu-jie JING,Chen YANG,Shuai CHEN
表 4 分步回归算法石灰岩岩体状态感知
Tab.4 Prediction of rockmass parameters by stepwise regression algorithm in limestone strata
里程 a b UCSc/
MPa
Jvc/
(条·m−3
BQ围岩分级
70 961 8.05 121.41 57.83 12.76 III
70 716 9.60 194.21 112.23 10.47 III
69 085 11.35 121.70 52.29 8.23 III
68 717 8.41 127.18 61.62 12.20 IV
68 388 5.20 87.05 39.30 18.62 IV
66 154 13.10 165.03 84.19 6.25 IV
63 124 14.36 150.04 70.94 4.94 III
60 171 5.13 85.09 38.07 18.81 IV