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& C+ |7 i. M. r4 `" l( l: G: z
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2 m3 r# m' }( a) F# \3 PABSTRACT  {2 z- X3 w4 I# F( w4 L- |
The purpose of this thesis is to provide insight into how different geometric parameters such as tower
- y6 w: e# j$ ]8 a4 P* fheight, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an: T2 a" F3 [+ s# [+ L! ]" `
extradosed bridge.
1 C$ D* ^( j8 S8 b1 v; h, k; DA study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
* i( ]+ f/ h/ e, J: ^  Eand compares their material quantities and structural characteristics to girder and cable-stayed bridges.
5 S2 u8 B9 _0 ~# |1 y( \' q* uThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.8 h# J5 G" t7 C" K# b3 E0 \: h
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed9 W# |0 n, W2 K5 {! h& I) E
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
, p, d% G) i# ]  e( j/ fbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the) O( F6 @+ S/ e6 L  E+ v$ _) h
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
+ ]  G( [, {, @$ d7 {1 `: x/ {competitive designs.. m+ @  b; _1 B% R

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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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