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Abstract:
介绍-种新型的上承式拉索组合拱桥.从立面上看,拱肋和桥面结构之间除了拱上立柱之外,另外还安装5对斜拉索,目的是通过调整拉索的索力来改变拱肋弯矩大小.采用RMV8i建立了200 m跨径的上承式拉索组合拱桥的有限元模型,计算在恒载和活载作用下的结构内力和截面应力,并与相同跨径的普通上承式钢管混凝土拱桥进行对比.结果表明,在恒载和活载作用下拱肋弯矩和拱顶轴力明显减小.
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公路
ISSN: 0451-0712
Year: 2010
Issue: 11
Page: 52-56
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 8
Chinese Cited Count:
30 Days PV: 16
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