| 泰州大桥钢中塔线形控制误差调整方法 |
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| 引用本文： | 张向群,王琳,游新鹏.泰州大桥钢中塔线形控制误差调整方法[J].中国工程科学,2012,14(5):29-32. |
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| 作者姓名： | 张向群 王琳 游新鹏 |
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| 作者单位： | 1. 江苏省长江公路大桥建设指挥部,江苏泰州,225321
2. 中交第二航务工程局有限公司,武汉430040;长大桥梁建设施工技术交通行业重点实验室,武汉430040 |
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| 基金项目： | 国家科技支撑计划资助项目(2009BAG15B02)；交通行业联合科技攻关项目（2008-353-332-180） |
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| 摘 要： | 泰州大桥钢中塔首次采用纵向"人"字形、横向门式框架结构,采用节段预制-现场安装的方法安装钢塔。建立针对复杂钢塔的全过程施工控制体系,在制造阶段对节段形态以及制造线形进行精确测控的基础上,在安装阶段根据实际安装误差情况确定预先设置调节缝的调整量,达到对钢塔线形误差调整的目的。现场实施结果表明,泰州大桥中间钢塔的线形控制效果良好,最终线形各项精度均优于设计要求。
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| 关 键 词： | 泰州大桥 中间钢塔 线形控制 误差调整 |
| 收稿时间： | 2012/3/16 0:00:00 |
| 修稿时间： | 3/19/2012 2:45:00 PM |
The error adjusting method of line shape control
for the middle steel tower of Taizhou Bridge |
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| Zhang Xiangqun,Wang Lin and You Xinpeng.The error adjusting method of line shape control
for the middle steel tower of Taizhou Bridge[J].Engineering Science,2012,14(5):29-32. |
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| Authors: | Zhang Xiangqun Wang Lin and You Xinpeng |
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| Affiliation: | 2,3(1.Jiangsu Provicial Yangtze River Highway Bridge Construction Commanding Department, Taizhou,Jiangsu 225321,China;2.CCCC Second Harbour Engineering Company Ltd., Wuhan 430040,China;3.Key Lab of Large-span Bridge Construction Technology, Ministry of Communication,Wuhan 430040,China) |
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| Abstract: | The middle tower of Taizhou Bridge is a steel frame with longitudinal herringbone shape and lateral gate shape,which is used for the first time. The technology with segments fabricated in the factory and erection at site is used in the construction of the middle steel tower. A full procedure construction control system to the complicated tower is set up. Based on precise monitoring and control to the shape of the segments and the line shape of the tower at the fabrication stage, the adjustment of the adjusting gap of the tower is calculated according to the actual error of the tower at the erection stage, and the line shape error of the tower is adjusted. The result of the implementation of the middle steel tower of Taizhou Bridge indicated that the line shape control method adapted could be effective, and the precision of final line shape of the middle steel tower is better than that of the design requirements. |
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| Keywords: | Taizhou Bridge middle steel tower line shape control error adjusting |
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