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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0 B) v# V! N) ^( \, GABSTRACT
3 L) W! i# ?+ W( a- [The purpose of this thesis is to provide insight into how different geometric parameters such as tower! L; L. q. _- `) T
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an0 `) h, X4 u4 k- U! v
extradosed bridge.1 H- h5 J$ i# x9 e. s: v. w
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,2 a# c& W! h# T/ \: Z0 ]
and compares their material quantities and structural characteristics to girder and cable-stayed bridges.
# w& c4 O. r' h# OThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.$ I% y2 `0 e( w9 z$ [1 W- |
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed
! l" F% W7 k) Rbridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural
+ M( L# I1 {$ F3 X! Rbehaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the. A, R2 f' b1 `& @
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to6 [  Z- L5 ?: j) N2 q- B* [
competitive designs.5 d( o6 z! ]' Y& E- u

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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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