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
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ABSTRACT
+ X1 m; x; o- l: }! \& p& zThe purpose of this thesis is to provide insight into how different geometric parameters such as tower# q! F0 i  j2 J3 N1 {/ ]
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an
3 E; s2 E6 P! U5 n2 ^extradosed bridge.
' `. B9 ]# i& o- H3 [$ h/ yA study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
/ K* {4 W3 w. _, U0 f, a: r1 _and compares their material quantities and structural characteristics to girder and cable-stayed bridges.
8 H7 |' b# `9 {1 d( UThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.! b/ ]- `+ U; C. F
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed
; G. H4 W  D5 H" hbridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
, T* d* Z; n6 Rbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
' ?/ N! K# `- q! ygirder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
( `( g" j* l9 X$ B; p# @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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