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+ X0 I' o; Q5 @- `3 Q
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- I) {3 o$ D# A  G9 A2 _ABSTRACT5 m8 C( x. Q0 L- C
The purpose of this thesis is to provide insight into how different geometric parameters such as tower; R9 L; `! Z8 T  w5 \$ @9 S" `
height, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an1 L1 L, [; ?7 Q3 a: K3 s% r0 J
extradosed bridge.
# ~4 `( b1 Y" x  p3 S) OA study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,3 N# a4 l/ G( S% b
and compares their material quantities and structural characteristics to girder and cable-stayed bridges." t! O/ e, Z# h) Q& H8 w
The strategies and factors that must be considered in the design of an extradosed bridge are discussed.7 p$ f+ ?; J/ @0 K4 q( z) n7 z
Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed
# T' n' f8 V8 N) f$ E+ hbridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural  W) z: h, q' n9 w4 {9 @% e
behaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
" u4 S6 M5 x' Y: k: l( hgirder or in the piers of an extradosed bridge are both found to be effective stategies that lead to+ t$ U; Q; P6 k2 a6 {/ S
competitive 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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