About the holding of "Tokyo Gaikan Tunnel Construction Review Committee Expert Committee" (December 18, 2020
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- About the holding of "Tokyo Gaikan Tunnel Construction Review Committee Expert Committee" (December 18, 2020
The 5th Tokyo Gaikan Tunnel Construction Review Committee Held the Expert Committee
December 18, 2020
East Nippon Expressway Co., Ltd.
The 5th meeting of the "Tokyo Outer Ring Tunnel Construction Review Committee, Expert Committee (Chair: Atsushi Koizumi, Professor Emeritus, Waseda University)" was held as follows.
1 date and time
2020 10: 00-12: 30
2 places
NEXCO EAST Kanto Regional Head Office Tokyo Outer Ring Construction Office Meeting Room
3 Outline of deliberation
- Survey status (interim report), ground characteristics, construction data
We confirmed the survey status (interim report), ground characteristics, and construction data. - Factor analysis of depressions and cavities (interim report)
We confirmed the factor analysis (interim report) of depressions and cavities.
- Minutes Summary [PDF: 289KB]
- Survey status (interim report) [PDF: 12.1MB]
- Ground characteristics [PDF: 1.1MB]
- Construction data [PDF: 21.3MB]
- Factor analysis of depressions and cavities [PDF: 1.2MB]
- Review of efforts to ensure safety and security of Tokyo Gaikan (Kan-etsu-Tomei) tunnel construction (provisional version) [PDF: 149KB]
- Reference material [PDF: 52.4MB]
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