Development of Optimal Structural System for Hybrid Cable-Stayed Bridges Using Ultra High Performance ConcreteReportar como inadecuado




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This study developed an optimal structural system for the hybrid cable-stayed bridge expected to have a durable lifetime of 200 years and of which major structural members are made of ultra high performance concrete UHPC with 200 MPa-class compressive strength. This innovative cable-stayed bridge system makes it possible to reduce each of the construction and maintenance costs by 20% compared to the conventional concrete cable-stayed bridge by improving significantly the weight and durability of the bridge. Therefore, detail design is carried out considering a real 800 m cable-stayed bridge and the optimal structure of the hybrid cable-stayed bridge is proposed and verified.

KEYWORDS

Hybrid Cable-Stayed Bridge; Ultra High Performance Concrete UHPC; Optimal Structural System;Durability

Cite this paper

H. Kim, Y. Kim, W. Chin and H. Yoon -Development of Optimal Structural System for Hybrid Cable-Stayed Bridges Using Ultra High Performance Concrete,- Engineering, Vol. 5 No. 9, 2013, pp. 720-728. doi: 10.4236-eng.2013.59086.





Autor: Hee Seok Kim, Young Jin Kim, Won Jong Chin, Hyejin Yoon

Fuente: http://www.scirp.org/



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