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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ABSTRACT! B' J  Q% G. p8 D$ w- ~% O
The purpose of this thesis is to provide insight into how different geometric parameters such as tower1 ]# d: X" m9 g; N7 L
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an
6 p1 Q  e! @, T+ u) N- J) fextradosed bridge.4 m; |  k6 N8 g- Z
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,
" V; Z  W# n9 ]7 Qand compares their material quantities and structural characteristics to girder and cable-stayed bridges.
. [" B: D8 h+ f& I( W+ NThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.
& A! P/ D* l! R  wTwo cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed$ [8 x' P; u8 @9 t4 W- W0 x8 |
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural6 T2 p% ~$ \0 H+ }; \
behaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
8 b6 [% c6 ~# L$ A8 n+ @) \girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to# q& \6 j& D2 p) D; o  I0 D% P
competitive designs.5 y! \) Z& E: L- n1 ?" ~

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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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