| 武汉市金桥大道快速通道斜拉桥主塔施工研究 |
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| 引用本文： | 许佳平,杨进.武汉市金桥大道快速通道斜拉桥主塔施工研究[J].水运科技信息,2011(3):10-13. |
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| 作者姓名： | 许佳平 杨进 |
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| 作者单位： | [1]中铁大桥局施工设计事业部,武汉430050 [2]中铁大桥勘测设计院有限公司,武汉430050 |
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| 摘 要： | 研究了主塔不同施工方法,包括下横梁分层成型预应力分期张拉不同量值比较;主塔的横向水平主动支撑计算,主动力的确定及迭代模拟;主塔塔柱和中横梁异步施工对比;上横梁浇筑前提前挂索计算;结合该桥的特点及分析结果,优化了主塔各关键部位的施工方法。
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| 关 键 词： | 斜拉桥 主塔 横梁 施工控制 |
Research and Analysis of the Main Tower Construction Process for Wuhan Jinqiao Road Fast Channel Cable-stayed Bridge |
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| Xu Jiaping,Yang Jin.Research and Analysis of the Main Tower Construction Process for Wuhan Jinqiao Road Fast Channel Cable-stayed Bridge[J].Transportation Science & Technology,2011(3):10-13. |
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| Authors: | Xu Jiaping Yang Jin |
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| Institution: | 1.Section of Construction Design Undertakings.China Zhongtie Major Bridge Engineering,Inc.,Wuhan 430050,China;2.China Zhongtie Bridge Reconnaissance ＆ Design Institute Inc.,Wuhan 430050,China) |
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| Abstract: | The paper researched different construction schemes,including reasonable value about tensioning Layered forming prestressed beams,calculation and analysis of the main tower lateral active support to determine the inertia and iterative simulation analysis,the comparative analysis of main tower pillar and beams in the asynchronous construction and the analysis of the beam hanged cable in advance before pouring computational.Combining the bridge＇s characteristics and analysis results,the paper raised the optimized construction method of key parts of the main tower. |
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| Keywords: | cable-stayed bridge main tower beams construction control |
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