ISSN 2096-4498

   CN 44-1745/U

二维码
Discussion on Tunnel Portal Design Principles: Analysis on Relationship  Between Access Road Construction and Tunnel Portal Design
ZHAO Baiwen
Tunnel Construction . 2013, (3): 220 -223 .  DOI: 10.3973/j.issn.1672-741X.2013.03.009