混凝土装配式桥墩截面方案优化研究

Northern Communications(2013)

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Abstract
利用有限元软件计算,将桥墩内半径逐渐减小,得到不同内半径桥墩的使用性能,将这些数据与限值进行对比,得出最合理的桥墩截面。在公路-Ⅰ级荷载作用下,高度为5m的圆形桥墩,其最佳截面为桥墩的外半径75cm、内半径42cm。通过截面优化,减小了桥墩的自重,节约了材料,同时也有助于加快施工进度。
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Key words
Finite element analysis,Prestressed reinforcement,Fabricated pier,Limit
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