| 北江公路特大桥线形监控技术研究 |
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| 引用本文： | 刘耀东.北江公路特大桥线形监控技术研究[J].建筑技术开发,2011(8):58-59,63. |
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| 作者姓名： | 刘耀东 |
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| 作者单位： | 湖北工业大学土木工程与建筑学院,武汉430068 |
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| 摘 要： | 广珠铁路工程北江公路特大桥55＋55＋100＋64m跨变截面连续箱梁采用挂篮悬臂法施工。以三维有限元的前进倒退分析理论为基础，通过控制箱梁立模标高实现了对整个大桥的线形监控。监控结果表明大桥合龙顺利，施工线形符合设计和规范要求。
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| 关 键 词： | 北江公路特大桥 挂篮悬臂施工 施工线形监控 立模标高 前进倒退分析 |
RESEARCH ON MONITORING TECHNIQUE OF LINEAR FOR BEIJIANG HIGHWAY SUPER LARGE BRIDGE |
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| Liu Yao-dong.RESEARCH ON MONITORING TECHNIQUE OF LINEAR FOR BEIJIANG HIGHWAY SUPER LARGE BRIDGE[J].Building Technique Development,2011(8):58-59,63. |
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| Authors: | Liu Yao-dong |
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| Affiliation: | Liu Yao-dong |
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| Abstract: | Beijiang Highway super large bridge of Guangzhu railway engineering is a four-span（55 ＋ 55 ＋ 100 ＋ 64）m contin- uous box girder bridge, which was constructed by using hanging basket cantilever method. On the basis of the ana- lytic theory of 3D finite element forward/reverse,the linear monitoring of the whole bridge was done through con- trolling the template elevation of box girder. The result of monitoring shows that the linear of construction conforms the requirements of design and specification and the bridge can be closed smoothly. |
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| Keywords: | Beijiang Highway super large bridge hanging basket cantilever construction construction linear monitoring tem-plate elevation forward/reverse analysis |
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