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钢箱系杆拱桥吊杆张拉顺序方案研究

Highways & Automotive Applications(2018)

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Abstract
为确定某淮河大桥右汊航道桥(钢箱系杆拱桥)的吊杆张拉顺序,提出3种吊杆张拉方案,采用MIDAS/Civil建立全桥有限元模型,使用倒拆分析法对比分析3种方案下的吊杆张拉控制力和结构内力.结果表明,从中拱对称向两边拱交替张拉的初始控制力良好,拱肋受力更均匀合理,推荐选择该方案进行施工.
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