| 基于优化理论的大跨拱桥桁架拱肋吊装预测分析 |
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| 引用本文： | 付玉辉.基于优化理论的大跨拱桥桁架拱肋吊装预测分析[J].北方交通,2008(4):102-104. |
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| 作者姓名： | 付玉辉 |
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| 作者单位： | 辽宁省交通勘测设计院,沈阳,110005 |
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| 摘 要： | 引入工程结构优化方法,利用基于前进分析的有限元法,对采用千斤顶斜拉扣挂法施工的钢管混凝土拱桥进行了吊装预测分析,进行了扣索索力及拱肋节段预抬高的最优化计算,确定了一定约束条件下,空钢管拱肋吊装结构最合适的施工路径.
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| 关 键 词： | 钢管混凝土拱桥 吊装预测 |
Predictive Analysis of Suspending the Truss Arch Ribs for Lon-Span Arch Bridge,Based on Optimization Theory |
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| Authors: | FU Yu-hui |
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| Abstract: | By imported method for engineering structure optimization and finite element method based on advancing analysis,the paper makes predictive analysis of suspending of steel piped concrete arch bridge constructed by jack's diagonal stretching buckling,carries out the optimum calculation of buckle-cable force and arch rib segment pre-rising elevation,furthermore determines the fittest construction process for hollow steel pipe arch rib suspending. |
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| Keywords: | Steel piped concrete arch bridge Prediction of suspending |
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