Report on emergency inspection results of concrete hollow slab bridge using cylindrical formwork.

East Nippon Expressway Co., Ltd. /Central Japan Expressway Co., Ltd./West Japan Expressway Co., Ltd. (hereinafter NEXCO3 companies) have completed an emergency inspection of concrete hollow floor slabs at Expressway. , We will inform you about the result and future correspondence.

NEXCO3 company inspected the concrete hollow floor slab using cylindrical formwork on the national expressway and general toll road managed by NEXCO3 and found no change.

In addition, NEXCO3 will continue to confirm safety through daily inspections such as the road surface of the bridge and periodic detailed inspections of the entire bridge.

Regarding the construction quality and long-term impact of the concrete hollow slab bridge, the first committee (chairperson: Shoji Ikeda Yokohama National University emeritus professor) will be held by the end of the year regarding the construction quality and long-term effects. However, we plan to consider it. In addition to the chairperson of Ikeda, Hidetaka Umehara (Professor Umehara) and Professor Hirotaka Kawano (Kawano Hirotaka) Kyoto University will be appointed as committee members.

The results of the committee's examination will be announced promptly.