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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+ Z: `  t# u: AABSTRACT9 k1 L8 `' s/ L
The purpose of this thesis is to provide insight into how different geometric parameters such as tower: i$ [$ _) k2 q
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an' Q: t2 v; Q6 A2 g  t
extradosed bridge.
" [% X# e9 _, `$ c0 hA study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
3 v5 C; U" h* l7 z$ |2 W2 Hand compares their material quantities and structural characteristics to girder and cable-stayed bridges.
' Y4 D5 f5 M$ w" `The strategies and factors that must be considered in the design of an extradosed bridge are discussed.
* m/ M" ~& F; O  p% m) yTwo cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed
6 A, v8 E) g# J6 lbridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
4 u3 L/ n$ M& |( wbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
0 w, a( ^! J6 wgirder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
! A# g' r# T; X! u0 X& \" z% ]0 ccompetitive designs.0 j3 n+ [) _$ a: |4 v/ g: O$ L
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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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