Survey results on the gate roof of the Gaikan Expressway toll gate

Regarding the welding failure of the steel frame joint that supports the gate roof of the toll gate on the Gaikan Expressway, which was announced on January 30, 2006, the site survey has been completed.

place

Gaikan Expressway (Wako-Outer Ring Misato West) 17 toll gates

Investigation result

This time, including the Bijogi (Bijoji) No. 1 toll gate, which was announced on January 30, 2006, welding of the steel frame supporting the toll gate gate roof of the 17 toll gates in the above section of Gaikan Expressway A field survey has been completed for 98 joints. As a result, 62 were judged to be defective and 36 were judged to be healthy. However, when the strength was calculated for all defective parts, the strength as a structure required by the Building Standard Law was satisfied.

Regarding defective parts, repairs are carried out sequentially from the point where preparations are completed in parallel with the inspection, and 15 parts have been completed so far.

This structure was specially adopted at the toll gates on the Gaikan Expressway, and there is no similar structure within the jurisdiction of the East Japan Expressway Company Limited.

We apologize for any inconvenience caused by the repair work, but we ask for your understanding and cooperation.