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The action of flexible bridges under wind, II: Buffeting theory

โœ Scribed by R.H. Scanlan

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
567 KB
Volume
60
Category
Article
ISSN
0022-460X

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โœฆ Synopsis

By using the analytical and conceptual format set forth in the first of these two companion papers, the problem of bridge buffeting under natural wind is considered. Again, bridges having vibration modes that are not necessarily simple are dealt with. The buffeting action of random wind forces in the presence of self-excited, or bridge motion-induced, forces is discussed, as are energy considerations associated with bridge stability. A possible explanation is offered for the well-known fact that turbulence in the incident wind often delays the onset of flutter.

๐Ÿ“œ SIMILAR VOLUMES

The action of flexible bridges under win
The action of flexible bridges under wind, I: Flutter theory
โœ R.H. Scanlan ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 699 KB

The action of long-span bridges, notably suspension bridges, under wind has long been of concern. This first of two papers summarizes the pertinent experimental and other prerequisite data and proceeds to the linear dynamic analysis of bridge flutter for bridges having vibration modes that are not n

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Suspension bridges are long-span ยฏexible structures susceptible to various types of wind induced vibrations such as bueting actions. In this paper, a three dimensional ยฎnite-element model formulated to deal with suspension bridges under turbulent wind is presented. In this model, all sources of geom