notice

November 21, 2023
Central Nippon Expressway Company Limited
Kanazawa Regional Head Office

We would like to express our sincere gratitude for your continued understanding and cooperation regarding our business.
Central Nippon Expressway Company Limited Kanazawa Regional Head Office has decided to implement the "Sheet Pile Method Tunnel Lining Reconstruction in Operation" because it is necessary to carry out construction work while regulating lanes in order to avoid long-term road closures in order to avoid long-term road closures. We have compiled a draft guideline on this and published it in January 2020.
In order to realize this construction method, we ordered "Technology development work related to Hokuriku Expwy lining regeneration work" and conducted technology development and demonstration from April 2021 to October 2022. I was able to complete it.
We would like to inform you that we have revised the "Guidelines (Draft) for Reconstruction of Sheet Pile Method Tunnel Linings in Service" based on the results.

■“Guidelines for Reconstruction of Sheet Pile Method Tunnel Linings in Operation (Draft) Central Nippon Expressway Company Limited Kanazawa Regional Head Office” (revised edition) (October 2023)

Reference material　　for this volume　　: old and new comparison table

(reference)
“Guidelines (draft) for the rehabilitation of sheet pile method tunnel lining in service” (before revision) (January 2020)
Results of “Technology development work related to Hokuriku Expwy lining reconstruction” (March 2023)