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% v7 G/ r! j9 S4 h( g7 b) y/ {
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ABSTRACT
9 D3 P& z5 u5 w( \3 AThe purpose of this thesis is to provide insight into how different geometric parameters such as tower1 F; u, G6 m( d4 f5 J, U: B
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an7 P* {" v/ F+ A' ~: y6 u
extradosed bridge., ~! R) I! R6 r
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,/ o0 ^" e3 |' S" E) q3 m6 x0 `
and compares their material quantities and structural characteristics to girder and cable-stayed bridges.
5 j& R* s" @& d! Z3 tThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.- h! q% e9 E, [0 m
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed$ g& |, x1 x" S/ k
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
" _2 ^2 `. F0 z7 g" G/ i6 D1 i) Abehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the+ C6 L8 e. U7 S+ a: _" s4 `
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to& Q3 b& H( j8 S9 h  ]" f* I
competitive designs.% H# x5 e0 q, f( p% |- Q

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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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