| 矮塔斜拉桥索力在箱形主梁中分布规律研究 |
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| 引用本文： | 谢永彰,钟敏雄,高飞.矮塔斜拉桥索力在箱形主梁中分布规律研究[J].中南公路工程,2006,31(2):158-160. |
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| 作者姓名： | 谢永彰 钟敏雄 高飞 |
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| 作者单位： | [1]湖南华罡交通规划设计研究院,湖南长沙410076 [2]湖南省高速公路建设养护工程有限公司,湖南长沙410001 |
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| 摘 要： | 以一座27．0 m宽的单索面矮塔斜拉桥为例，研究了拉索在宽幅箱梁中的传递规律。研究发现剪力滞现象十分严重，并且随着箱梁的宽度的增大而更加严重，在布置预应力筋时要引起充分重视，以使宽桥的截面应力更均匀。
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| 关 键 词： | 矮塔斜拉桥 索力 宽幅箱梁 应力 |
| 文章编号： | 1002-1205(2006)02-0158-02 |
| 收稿时间： | 2006-03-07 |
| 修稿时间： | 2006年3月7日 |
The Study on The Principle of Cable Force for Extradosed Cable-stayed Bridge Transmitting in Wide Box Girder |
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| XIE Yongzhang , ZHONG Minxiong , GAO Fei.The Study on The Principle of Cable Force for Extradosed Cable-stayed Bridge Transmitting in Wide Box Girder[J].Central South Highway Engineering,2006,31(2):158-160. |
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| Authors: | XIE Yongzhang ZHONG Minxiong GAO Fei |
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| Abstract: | The transferred rule of cable force in the wide box girder is studied by instance of single extradosed cable-stayed bridge with 27 m wide. It is indicated that the phenomenon of shear lag is very severe. And the phenomenon of shear lag is more and more severer along with the increase of the wide box girder. The phenomenon must be considered fully in order to uniformity of the section stress in the wide bridge. |
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| Keywords: | extradosed cable-stayed bridge cable force wide box girder stress |
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