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Full Model Wind Tunnel Tests for the Akashi Kaikyo Bridge

by Toshio Miyata, Yokohama Natl Univ, Yokohama, Japan,
Masahiko Yasuda, Yokohama Natl Univ, Yokohama, Japan,



Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract:

In order to carry out final verification of the wind resistance safety of the Akashi Kaikyo Bridge under construction, which has the largest main span of 1,990 m, its full aeroelastic model wind tunnel tests have been conducted in a newly constructed boundary lager wind tunnel of 41 m width. The geometrical scale of 1/100 was chosen to build a very long model of the total length of about 40 m. This paper describes some design considerations for this very long suspension bridge and some parts of test results such as static deformation, flutter instability and gust responses.

Subject Headings: Wind tunnel | Bridge tests | Suspension bridges | Wind gusts | Suspended structures | Load and resistance factor design | Deformation (mechanics) | Japan | Asia

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