Presentation Information
[VI-1079]A study on the actual compressive strength of concrete in subway cut-and-covertunnels constructed more than 50 years ago.
*Hiroto Takahashi1, Kenichi Hirota1, Hiroaki Hashiguchi1 (1. Tokyo Metro Co., Ltd)
Keywords:
cut-and-cover tunnel,underground structure,subway,concrete core,compressive strength,field surbey