| 涪陵青草背长江大桥主缆无应力长度计算 |
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| 引用本文： | 胡娜,张永水,成宁波.涪陵青草背长江大桥主缆无应力长度计算[J].重庆交通大学学报(自然科学版),2011,30(4):709-711,739. |
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| 作者姓名： | 胡娜 张永水 成宁波 |
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| 作者单位： | 1. 重庆交通大学土木建筑学院,重庆,400074
2. 重庆建工市政交通工程有限责任公司,重庆,400021 |
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| 摘 要： | 主缆无应力长度的计算是悬索桥上部结构施工监控顺利进行的有效保证.利用通用软件Midas/Civil对涪陵青草背长江大桥建立有限元模型,进而修正索股无应力长度,提出采用通用软件建立悬索桥模型并计算主缆无应力长度的一般方法,为采用该类通用软件计算悬索桥主缆的无应力长度提供参考.
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| 关 键 词： | 悬索桥 主缆无应力长度计算 Midas/Civil 长度修正 |
Calculation of Main Cable Zero-stress Length for Fuling Qingcaobei Yangtze River Bridge |
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| HU Na,ZHANG Yong-shui,CHENG Ning-bo.Calculation of Main Cable Zero-stress Length for Fuling Qingcaobei Yangtze River Bridge[J].Journal of Chongqing Jiaotong University,2011,30(4):709-711,739. |
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| Authors: | HU Na ZHANG Yong-shui CHENG Ning-bo |
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| Institution: | 1.School of Civil Engineering & Architecture,Chongqing Jiaotong University,Chongqing 400074,China; 2.Chongqing Construction Municipal Transportation Engineering Co.,Ltd.,Chongqing 400021,China) |
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| Abstract: | Calculation of zero-stress length of main cable is the effective guarantee for construction control of suspension bridge superstructure.Common software Midas/Civil was used to build finite element model for Fuling Qingcaobei Yangtze River Bridge to correct zero-stress length of cable strand for suspension bridge.The general methods of adopting common software to build model of suspension bridge and of calculating the zero-stress length of main cable were put forward to provide reference for this kind of calculation. |
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| Keywords: | suspension bridge zero-stress length of main cable Midas/Civil length correction |
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