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Comparisons of Full Scale and Wind Tunnel Model Response to Wind of Long Span Bridges

by A. G. Davenport, Univ of Western Ontario, London, Ont, Canada,
J. P. C. King, Univ of Western Ontario, London, Ont, Canada,
J. M. W. Brownjohn, Univ of Western Ontario, London, Ont, Canada,



Document Type: Proceeding Paper

Part of: Dynamics of Structures

Abstract:

There are several vital reasons for measuring the response of full scale structures to wind and comparing the results to models - both experimental and analytical - employed in design. The first is to provide some confirmation regarding the validity of basic assumptions and the numerical accuracy - or inaccuracy - of results (the 'scientific' requirements). The second is to assess simplifications which can be introduced into the modelling which assists in the design and the research for improvements in design (the 'engineering' requirements). The results of several long span bridge full scale and wind tunnel model comparisons have been summarized. There is a basic need for additional such studies involving modern aerodynamically shaped cable-stayed and suspension bridges.

Subject Headings: Wind tunnel | Span bridges | Scale models | Suspension bridges | Suspended structures | Structural models | Dynamic structural analysis

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