EXTRADOSED BRIDGES

水潭 发表于 2014-8-13 12:33:01 | 显示全部楼层 | 阅读模式
Behaviour and Design ofEXTRADOSED BRIDGESbyKonstantinos Kris Mermigas/ q8 t0 b. N3 j7 ]. v
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ABSTRACT* A/ w: u) v2 ~, M
The purpose of this thesis is to provide insight into how different geometric parameters such as tower; k( `, }( W% ]+ ]8 G! f0 Z6 W
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an  v2 {% B) B4 \! c5 \8 ]
extradosed bridge.% T. U" c0 q1 n
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
1 t0 g& K- t; N. q. ?and compares their material quantities and structural characteristics to girder and cable-stayed bridges.
+ t9 \' y& B1 F. o1 {. ~& ]# G" @The strategies and factors that must be considered in the design of an extradosed bridge are discussed.7 {! h. W# {+ G+ E; o# e
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed* K: L8 L7 t* y- o# M
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural! i+ {. U$ W* C4 a5 e6 u6 m0 X& i
behaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the" s& T, l- J! _) |8 f
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
& w& [4 h" c' k5 P" p9 y6 \competitive designs.
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tongji007 发表于 2014-8-31 19:03:49
好书 谢谢分享 可惜有点贵啊
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bridgedut 发表于 2014-10-6 17:36:34
好资料,必须支持
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