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 3 TBM掘进石灰岩地层岩机参数表
Tab.3 Parameters of TBM and rockmass in limestone strata
里程 P/mm Fn/
kN
Ta/
(kN·m)
UCSa/
MPa
Jva/
(条·m−3
实际围岩
等级
70 961 8.96 293 2 759.1 53 11 III
70 716 10.1 303 3 075.9 95 9 III
69 085 9.4 278 2 544.1 56 7.8 III
68 717 11 210 2 946.5 58 12 IV
68 388 13 152 1 920.6 43 19 IV
66 154 13.2 222 2 873.5 76 5.4 V
63 124 8 256 2 781.6 66 5 IIIa
60 171 12 259 2 853.0 42 18 IIIb