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 2 贯入度对单刀推力的影响系数和破岩门槛分布范围

Tab.2 Distribution of influence coefficient of penetration on thrust per cutter and rockmass breaking threshold

a 值分布区间 频次 b 值分布区间 频次 0~5 8 60~100 10 5~10 16 100~140 26 10~15 19 140~180 7 15~20 3 180~200 3