地下構造物 (2)

[VI-533] Method of excavation under existing structure and construction of new bottom slab directly under subway line
- Installation work of turnaround facilities between Iidabashi and Kudanshita station on the Tokyo Metro Tozai Line -

*Satoshi Iwayanagi¹, Yasuhito Usui¹, Asaka Tokuishi¹ (1. Tokyo Metro Co)

Keywords:Installation work, excavation under construction, subway, bottom slab