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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$ m$ m6 p+ u$ Z6 ~% GABSTRACT8 W5 K% I9 [# G5 `" d
The purpose of this thesis is to provide insight into how different geometric parameters such as tower- ^" I6 A& O! c! H
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an
2 P2 L; K4 q: f/ v3 Cextradosed bridge.
: E7 V: Y1 \9 Y4 N/ R" y+ M- ZA study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,' r  {. \: O% E$ C
and compares their material quantities and structural characteristics to girder and cable-stayed bridges.: \3 m2 V; M: K* z1 Y$ z' p% z* M( R& `
The strategies and factors that must be considered in the design of an extradosed bridge are discussed.
6 B, X/ y$ e  S4 e1 J) ]2 d1 E2 lTwo cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed" Z; M3 u# b; c* T8 B* y
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
8 p1 Q. C$ ~/ zbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
( k. G, T7 z' Egirder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
* u- N! A* r; m  j3 t( e' Z% Dcompetitive designs.6 J3 M: d$ a0 m' y* M

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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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