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
+ [4 ?# e, C2 Y% ]2 X2 U1 f- uThe purpose of this thesis is to provide insight into how different geometric parameters such as tower
7 Z, |4 `7 A( A8 S$ U2 R% N3 P3 eheight, girder depth, and pier dimensions influence the structural behaviour, cost, and feasibility of an
' u, P2 R" ]; L$ |6 fextradosed bridge.
; Z+ q( Y, ?* I9 jA study of 51 extradosed bridges shows the variability in proportions and use of extradosed bridges,; ~& ~4 a% T; D" L/ @' Z, v
and compares their material quantities and structural characteristics to girder and cable-stayed bridges.
# d0 p* a+ r1 bThe strategies and factors that must be considered in the design of an extradosed bridge are discussed.
; @) ~3 u& x1 t  w, b& \Two cantilever constructed girder bridges, an extradosed bridge with stiff girder, and an extradosed0 O# \. G+ N4 p4 V8 q4 F( x
bridge with stiff tower are designed for a three span bridge with central span of 140 m. The structural" X" ?1 H6 F8 n( E* O: s
behaviour, materials utilisation, and costs of each bridge are compared. Providing stiffness either in the
/ E7 ?/ W6 p6 I+ ^girder or in the piers of an extradosed bridge are both found to be effective stategies that lead to
2 E* s# ~0 L" qcompetitive designs.6 h7 s* P/ p/ ~) A! _
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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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