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超大断面扁平结构隧道施工参数优化研究
刘宽1(),莫冠旺2(),李响2(),沈平欢1,万波1,刘建坤2
Optimization of the Construction Parameters of Super-large Section Flat Structure Tunnel
Kuan LIU1(),Guanwang MO2(),Xiang LI2(),Pinghuan SHEN1,Bo WAN1,Jiankun LIU2

图3. 隧道Ⅲ级围岩段数值模型

Fig.3. Numerical model of grade Ⅲ surrounding rock section of tunnel