About the depression of the ground surface near the construction site of the Tokyo outer ring road (Kan-etsu-Tomei) [11th report]
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- About the depression of the ground surface near the construction site of the Tokyo outer ring road (Kan-etsu-Tomei) [11th report]
November 27, 2020
East Nippon Expressway Co., Ltd. Kanto Regional Head Office
Tokyo Outer Ring Road (Kan-Etsu-Tomei) Main Line Tunnel (Southbound) Regarding the new underground cavity confirmed by the ground survey around the ground surface depression that occurred near the construction site, "Examination of Tokyo outer ring tunnel construction, etc." "Committee of Experts Committee" was held.
Please see here for an overview of the results.