RT Journal T1 Study on approaching excavation influence between expanding projects of expressway and high speed railway tunnel under operation state A1 SUN Keguo, QIU Wenge, WANG Zhongping, GAO Xiaoyan, GONG Lun, KONG Chao PB Journal of Shandong University(Engineering Science) FD 2018-10-20 YR 0 JF Journal of Shandong University(Engineering Science) JO Journal of Shandong University(Engineering Science) VO IS SP 70 DO 10.6040/j.issn.1672-3961.0.2014.369 K1 expanding project of expressway;high speed railway tunnel;strength reduction method;approaching excavation;beam-slab protective structure LK {http://gxbwk.njournal.sdu.edu.cn/EN/article/article_1379.shtml}