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Wind Engineering Challenges of Modern Footbridges

 Wind Engineering Challenges of Modern Footbridges
Author(s): , ,
Presented at IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018, published in , pp. S34-1
DOI: 10.2749/nantes.2018.s34-1
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The on-going development of footbridge design embraces a wide range of forms and organic architectural styles. Curved decks as well as complex pylon and stay-cable arrangements inevitably impose se...
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Bibliographic Details

Author(s): (BMT Fluid Mechanics, Teddington, United-Kingdom)
(BMT Fluid Mechanics, Teddington, United-Kingdom)
(BMT Fluid Mechanics, Teddington, United-Kingdom)
Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018
Published in:
Page(s): S34-1 Total no. of pages: 8
Page(s): S34-1
Total no. of pages: 8
DOI: 10.2749/nantes.2018.s34-1
Abstract:

The on-going development of footbridge design embraces a wide range of forms and organic architectural styles. Curved decks as well as complex pylon and stay-cable arrangements inevitably impose severe limitations on the application and interpretation of results of conventional section model wind tunnel testing. Also, differently from long-span road bridges, footbridges are typically located in an urban setting and are generally subjected to high levels of atmospheric turbulence. These two factors emphasize the importance of including ad hoc wind tunnel testing at an early stage of the design process. Making use of a number of case studies, the authors of this technical paper will share their extensive experience in developing and implementing wind engineering strategies capable of enabling the vision of modern footbridge designers.

Keywords:
footbridges codes of practice vortex shedding wind tunnel testing divergent instability aerodynamic mitigation measures