Publisher： Edp Sciences
E-ISSN： 2261-236x|25|issue|04002-04002
ISSN： 2261-236x
Source： MATEC Web of conference, Vol.25, Iss.issue, 2015-10, pp. : 04002-04002
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Abstract
To research structural performance of extra-large-span cable-stayed bridge under different section forms, with the engineering background of a 800m main-span cable-stayed bridge with steel truss girder, the cable-stayed bridge with steel box girder is designed according to the current bridge regulations when two bridges are designed in an ultimate state of the carrying capacity, so the maximum stress and minimum stress of the stress envelope diagram are substantially the same. A comprehensive comparison is given to two types of bridge on the aspect of static force, natural vibration frequency, stability, economic performance and so on. Analysis results provide future reference for the large-span cable-stayed bridge to select between the steel truss girder and the steel box girder.
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