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Economic Feasibility of Long Span Cable Bridges with Application of High Performance Steel and Wire

 Economic Feasibility of Long Span Cable Bridges with Application of High Performance Steel and Wire
Autor(en): , , , ,
Beitrag für 18th IABSE Congress: Innovative Infrastructures – Towards Human Urbanism, Seoul, Korea, 19-21 September 2012, veröffentlicht in , S. 1421-1428
DOI: 10.2749/222137912805111942
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To study an economic feasibility with respect to the application of high-performance steel and high strength wire for long span cable bridges, structural analyses and trial designs were performed.<...
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Bibliografische Angaben

Autor(en):




Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: 18th IABSE Congress: Innovative Infrastructures – Towards Human Urbanism, Seoul, Korea, 19-21 September 2012
Veröffentlicht in:
Seite(n): 1421-1428 Anzahl der Seiten (im PDF): 8
Seite(n): 1421-1428
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/222137912805111942
Abstrakt:

To study an economic feasibility with respect to the application of high-performance steel and high strength wire for long span cable bridges, structural analyses and trial designs were performed.

In order to compare trial design with previous real design, the practical cable bridges, which type are suspension and cable stayed, were selected. Based upon design method and appropriate assumption, decrease of wire/steel weight and construction cost are evaluated.

The results showed that the steel weight and construction cost could be reduced certainly by using high performance steel and high strength wire, although the design stresses of some plates in box girder are not governed by material strength due to the stability of stiffened plates and the limitation of minimum plate thickness or specification for bridges.