Shinkansen Br. (ends of vertical stiffener) のバックアップ(No.1)

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  • 1 (2013-07-02 (火) 14:24:18)
  • 2 (2013-07-02 (火) 15:47:00)

Shinkansen Br. (ends of vertical stiffener) : TIG dressing †

1.Field of application †

Steel bridge on Shinkansen-railway, Japan.

The Tokaido Shinkansen is the first bullet train system in Japan. This line connects between Tokyo and Osaka 515km in length, has been carrying almost 300 trains a day since 1964.

There are totally 1511 steel bridges, about 27 km in length, in Tokaido Shinkansen.

2.Circumstances of repair †

Fatigue cracks at maingirder - floorbeam connection were found in 1974(after 10 years service).

3.Types of structure †

One through type girders(Fig.1)

4.Details of loading †

Fluctuating loads due to Shinkansen trains traffic.

5.Description of damage and repair method applied †

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