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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ABSTRACT5 F+ s9 U+ w$ n% t% b! _
The purpose of this thesis is to provide insight into how different geometric parameters such as tower
; r$ o; _5 `7 j6 z8 Nheight, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an
4 E# I. L$ @$ I+ u9 a% E" Z) z1 U* ^extradosed bridge.0 u3 w, e! k  W
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
" U5 b( [. k5 Land compares their material quantities and structural characteristics to girder and cable-stayed bridges.( E" y/ |" b# _8 j" M& j& O1 e, Y
The strategies and factors that must be considered in the design of an extradosed bridge are discussed.. V8 @, b) m0 }; k
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed. O, Q8 e" D! z/ I% Z5 `
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
- E3 ]* {" a7 ?  N1 _1 n; `behaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
. g! c! t# w; G3 kgirder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
  ]* I5 @1 q4 g5 v5 mcompetitive 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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