| 菜园坝长江大桥主桥Y形刚构施工技术 |
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| 引用本文： | 彭建伟,李兴华,梁伟.菜园坝长江大桥主桥Y形刚构施工技术[J].桥梁建设,2007(A01):43-45,68. |
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| 作者姓名： | 彭建伟 李兴华 梁伟 |
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| 作者单位： | 中铁大桥局集团重庆菜园坝长江大桥有限公司,重庆400020 |
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| 摘 要： | 重庆菜园坝长江大桥主桥采用Y形刚构与钢箱系杆拱、钢桁梁组合结构，系杆拱主跨420m。介绍有大悬臂、不对称三维空间特点的Y形刚构支架法施工技术。
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| 关 键 词： | 组合结构 Y形刚构 桥梁施工 施工技术 |
| 文章编号： | 1003-4722（2007）S1-0043-03 |
| 修稿时间： | 2007-01-16 |
Construction Techniques for Y-Shape Rigid-Frame Structure of Main Bridge of Caiyuanba Changjiang River Bridge |
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| PENG Jian-wei , LI Xing-hua , LIANG Wei.Construction Techniques for Y-Shape Rigid-Frame Structure of Main Bridge of Caiyuanba Changjiang River Bridge[J].Bridge Construction,2007(A01):43-45,68. |
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| Authors: | PENG Jian-wei LI Xing-hua LIANG Wei |
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| Institution: | Chongqing Caiyuanba Changjiang River Bridge Co., Ltd., China Zhongtie Major Bridge Engineering Group, Chongqing 400020, China |
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| Abstract: | The main bridge of Caiyuanba Changjiang River Bridge in Chongqing is designed as a hybrid structure composed of Y-shape rigid frame, steel box bowstring arch and steel truss girder with the main span of the bowstring arch 420 m. In this paper, the construction techniques of scaffolding method for the Y-shape rigid frame structure characterized by long cantilevers and asymmetric three-dimensional space are dealt with. |
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| Keywords: | hybrid structure Y-shape rigid-frame structure bridge construction construction technique |
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