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 Mermigas9 b7 P4 N' r$ I" k* s" |0 q
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- f/ y) K. i  U( V8 t. T4 b. yABSTRACT8 u/ V$ b0 x* W& K, q
The purpose of this thesis is to provide insight into how different geometric parameters such as tower. S; L: V$ X3 T' R- F
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an2 x3 T1 q3 m1 s8 [) Q' B9 O% _# h7 J
extradosed bridge.5 m" C/ m% m4 q1 K9 J* u
A study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,( H$ Y, O- K3 T& U, m. |0 E2 \  o
and compares their material quantities and structural characteristics to girder and cable-stayed bridges.8 _5 V( ?8 ]* k/ _) q
The strategies and factors that must be considered in the design of an extradosed bridge are discussed.# {2 E4 ]- f% w0 M
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed, e+ k, b" W! ?  b! f
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural- N* G4 Z  t# G& \: m, W; N! t
behaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the0 m8 o1 r5 ]% D- s, |) o
girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
8 X( b8 m! p' b! pcompetitive designs.
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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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