ISSN 2096-4498
CN 44-1745/U

ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2021, Vol. 41 ›› Issue (2): 326-340.
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ZHENG Jianguo1, ZHENG Jinlong1, *, HUANG Bing2, CHEN Hang1, LIN Guojin1
(1. Sichuan Highway Planning, Survey, Design and Research Institute Ltd., Chengdu 610041, Sichuan, China; 2. Sichuan Ya′anKangding Expressway Co., Ltd., Chengdu 610041, Sichuan, China)