E20 Investigation Committee on Seismic Retrofitting of Bridges Crossing the Chuo Expressway
Central Nippon Expressway Company Limited, Ltd. has made an investigation to investigate the cause of this case and a proposal for prevention of recurrence in response to the occurrence of a construction defect due to lack of reinforcing bars in the seismic retrofitting work of the bridge ordered by the Regional Head Office We have set up the "Investigation Committee on Seismic Retrofitting of Bridges Chuo Expressway" by outside experts.
Member list (in alphabetical order, title omitted)
| Chairman Toshiyuki Sugiyama |
Professor Emeritus, University of Yamanashi |
|---|---|
| Committee member Kazumasa Ozawa |
Specially Appointed Professor, Graduate School of Engineering, The University of Tokyo |
| Committee member Atsushi Tsunoda |
lawyer |
| Committee member Shigeki Kusunoki |
Professor, Faculty of Law, Sophia University |
| Committee member Hiroshi Zama |
lawyer |
| observer Kazuhide Maebu |
Ministry of Land, Infrastructure, Transport and Tourism Road Bureau National Road and Technology Section Chief |
Contents of proceedings
1st Committee (held on November 20, 2020)
2nd Committee (held on December 10, 2020)
3rd Committee (held on December 24, 2020)
4th Committee (held on February 18, 2021)
The 5th Committee (held on April 7th and 8th, 2021)
6th Committee (held on May 12, 2021)
7th Committee (held on June 2, 2021)
8th Committee (held on June 16, 2021)
9th Committee (held on July 6, 2021)
The 10th Committee (held on July 16, 2021)
11th Committee (held on July 26, 2021)
Interim report (December 26, 2020)
Our response and efforts (December 28, 2020)
Report (July 27, 2021)
* Please note that the amount of data is large.
- Report of the Investigation Committee on Poor Seismic Retrofitting of Bridges Crossing the E20 Chuo Expressway
- Report of the Investigation Committee on Seismic Retrofitting of Bridges Crossing the E20 Chuo Expressway
