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Active Aerofoil Stabilisation of Long Span Bridge Decks

 Active Aerofoil Stabilisation of Long Span Bridge Decks
Author(s):
Presented at IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, published in , pp. 464-465
DOI: 10.2749/222137810796025438
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This paper describes some of the research, initially sponsored by the Institution of Civil Engineers, into the mitigation of potentially destructive bridge deck flutter by the use of movable aerofo...
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Bibliographic Details

Author(s):
Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Published in:
Page(s): 464-465 Total no. of pages: 8
Page(s): 464-465
Total no. of pages: 8
Year: 2010
DOI: 10.2749/222137810796025438
Abstract:

This paper describes some of the research, initially sponsored by the Institution of Civil Engineers, into the mitigation of potentially destructive bridge deck flutter by the use of movable aerofoils, much in the same way that modern aircraft are controlled and stabilised by such aerofoils.

Both flat plate and time domain analyses are presented, and the benefits offered by the movable aerofoils are quantified, using data based largely on the Humber Bridge deck parameters.

The paper concludes with a proposal for a practical implementation of active aerofoil controls on the bridge deck along with a discussion on the way ahead.

Keywords:
box girder flutter long span Instability aeroelastic aerofoils