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Trial Design on Concrete Arch Bridge with Corrugated Steel Webs

 Trial Design on Concrete Arch Bridge with Corrugated Steel Webs
Author(s):
Presented at 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008, published in , pp. 550-551
DOI: 10.2749/222137908796293866
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Because arch works essentially in compression, thanks to the greater compression strength of concrete, it is reasonable to use concrete in arch bridge. In order to increase the span capacity of con...
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Bibliographic Details

Author(s):
Medium: conference paper
Language(s): English
Conference: 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008
Published in:
Page(s): 550-551 Total no. of pages: 6
Page(s): 550-551
Total no. of pages: 6
Year: 2008
DOI: 10.2749/222137908796293866
Abstract:

Because arch works essentially in compression, thanks to the greater compression strength of concrete, it is reasonable to use concrete in arch bridge. In order to increase the span capacity of concrete arch bridge, a new type of concrete arch with corrugated steel webs is proposed, in order to decrease the heavy dead load of the arch ring and make its possible and economic. Taken Wanxian Yangtze River Bridge with the longest span of 420m in the world as a proto type, a trial design of such a new concrete arch bridge is carried out. Comparing to the built bridge, the self-weight of the arch ring in the trial design was decreased by 27%. Meanwhile, the construction time for cast in-situ of the concrete in the arch ring in the trial design is shortened by 70 days. The trial design research shows that this new type bridge is a potential bridge type for super-long span concrete arch bridge.

Keywords:
concrete arch bridge corrugated web trial design new type