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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# d' X3 M; q" m4 t& dABSTRACT
: e* L. Y7 E4 h1 k& j, ^The purpose of this thesis is to provide insight into how different geometric parameters such as tower
/ m: W9 w* Z0 m; }height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an* p, N% W# \* o2 g
extradosed bridge.& Y" u2 U7 L5 |4 k
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
! A2 U/ h$ M8 N/ R. @; O" c3 [and compares their material quantities and structural characteristics to girder and cable-stayed bridges.% J0 x$ ?$ |$ b% _8 F1 D2 |) B8 I
The strategies and factors that must be considered in the design of an extradosed bridge are discussed.
1 t* ^/ X2 [9 D: E& E" L0 MTwo cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed+ T* i9 v7 _" \' O8 G
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
7 X$ ^) a" C( g5 A. lbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the+ p3 ^( ~+ l. X. |" N: j% c2 `
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to8 c2 o1 u: B8 ]9 J8 \
competitive designs.: T( ?6 |* x5 d. {- v& }$ }5 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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