NIPPON STEEL CORPORATION

Aging examples

Product name:Sound insulation device for Shinkansen steel beam bridge (3S sheet)

Project name,installation site

Iwabuchi overbridge, Tokaido Shinkansen

Date of construction

2006 / 12

Date of investigation

2011 / 12

Duration

8 Years

Specification of ZAM®

2.3mm K27

Photo of the project(early years)

main.jpg

3S sheet installation place (Iwabuchi overbridge)

Photo of the project (Aging)

  • aging0.jpg

    After 3S sheet installation

  • aging1.jpg

    8 years after 3S sheet installation

  • aging2.jpg

    Enlarged view of the 3S sheet

  • aging3.jpg

    Part of the 3S sheet where white rust generated

  • aging4.jpg

    3S sheet composition