Survey results on the members of the gate type pillar of the road information board.
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- Survey results on the members of the gate type pillar of the road information board.
November 16, 2009
East Nippon Expressway Co., Ltd.
Kanto Regional Head Office
NEXCO EAST Kanto Regional Head Office (Regional Head Office, Taito-ku, Tokyo; Director: Shinichi Ishikawa) is Kita-Kanto Expressway in relation to the construction project of Higashi-Kanto Expressway in Ibaraki prefecture. A part of the gate-shaped pillar of the road information board installed across the main line between Ibaraki-cho East Interchange (IC) and Ibaraki-cho Nishi IC (westbound) of .io "A member different from the design is used Based on the information, "We have removed this gate-shaped support from Expressway main line and have advanced the detailed investigation.
As a result, it was found that, unlike the design, three of the four steel pipes (3 locations) used for the lateral beam of the gate-shaped support of the information board were connected by welding. This manufacturing method is not approved by us.
In addition, we decided to remanufacture the columns and install them again on the main line of the Kita-Kanto Expressway.
Gate type pillar of road information board
Investigation result
