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# T  G4 z$ t8 r0 R8 o( W
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ABSTRACT
8 W. z1 h& C: w' MThe purpose of this thesis is to provide insight into how different geometric parameters such as tower
* j+ l, c' k. ~5 T7 Nheight, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an6 x; O# n- B( t6 i5 O
extradosed bridge.' t+ b3 d. z5 Z) M1 h
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
: V9 {; i: P  O1 [and compares their material quantities and structural characteristics to girder and cable-stayed bridges.' I2 F) [! p& b! I0 X
The strategies and factors that must be considered in the design of an extradosed bridge are discussed.
( p; T4 S- @! S+ a* w# ^0 JTwo cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed
% f2 j4 Y8 a/ i; S2 ~bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
. f% S3 X6 ^) ^, |4 N0 Sbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the$ J+ H  K, p, E* c! S( `% B
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
5 I% L% j& C1 i( v  xcompetitive designs.! Z7 y* u# [0 x# C% T4 I, i
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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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