Optimization of cable-stayed bridges with box-girder decks

被引：0
|
作者：
Simoes, LMC
Negrao, JHJO
机构：
来源：
COMPUTER AIDED OPTIMUM DESIGN OF STRUCTURES V | 1997年
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Box-girder decks are very effective solutions for long span cable-stayed bridges, due to its high torsional stiffness and streamlined profile, which usually leads to a good aerodynamic behaviour. A study on the optimization of such structural system is presented in this paper. The deck is modelled through the assembly of planes of plate-membrane elements. A multicriteria approach is considered for the optimization itself, with constraints on maximum stresses, minimum stresses in stays and deflections under dead load condition Two illustrative examples are shown.
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页码：21 / 32
页数：12
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