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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; ?9 _( B5 s/ J# k: k# X5 n4 DABSTRACT# o' w( f6 x, [& n# ~% m8 n
The purpose of this thesis is to provide insight into how different geometric parameters such as tower
4 i) [# V3 }+ f, p; C5 Vheight, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an
- Y, i2 B! p* X3 a0 xextradosed bridge.' k& u0 k, F, i+ U
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
1 I- A7 C! ~3 }0 x" Nand compares their material quantities and structural characteristics to girder and cable-stayed bridges.
8 \4 u, j/ H' g. c: \9 SThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.
# C- ?' T) `! `Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed, t2 A! G% W8 k* T' O
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
! }6 _3 X" s+ N3 @( I; ?" n& ibehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the/ ?8 y( G' O0 e- _" m
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
* v+ g9 a+ \" s7 h/ _competitive designs.+ Q# ]; n0 G' D4 v7 M5 |( N' ~5 V
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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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