施工計画 (2)

[VI-1004] Renewal of the box culvert for underground passage whose top slab and ceiling using as earth retaining.

*Taito Sato¹, Masahiro Ohtaka¹, Akimoto Yusuke¹, Sigeharu Hayasi¹, Eiji Tuchiya¹, Kazunari Hironaka¹ (1. SHIMIZU CORPORATION)

Keywords:underground passage, renewal, non-open cut method, ground improvement, round steel, pressure welding