| 泰州大桥中塔超大沉井下沉监控技术 |
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| 引用本文： | 肖文福,傅琼阁,刘建波,翟世鸿,刘鹏.泰州大桥中塔超大沉井下沉监控技术[J].现代交通技术,2009,6(2):58-61. |
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| 作者姓名： | 肖文福 傅琼阁 刘建波 翟世鸿 刘鹏 |
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| 作者单位： | 1. 中交集团第二航务工程局有限公司,湖北,武汉,430071
2. 中交集团桥隧重点实验室,湖北,武汉,430071 |
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| 摘 要： | 泰州长江公路大桥中塔墩基础采用沉井结构。由于荷载分布的不确定性和施工因素的影响．对下沉过程中沉井结构内部应力应变及整体稳定性进行监控十分重要。文章详细介绍了沉井刃口反力、侧壁摩阻力、井壁与土的摩阻力、锚缆力的监测方案，为沉井基础的安全施工提供了及时、准确的预报预警信息，确保了工程施工顺利进行。
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| 关 键 词： | 泰州大桥 沉井 应力应变 监控 |
Subsidence Monitoring Technology of Extra Large Caisson in Taizhou Bridge |
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| Xiao Wenfu,Fu Qiongge,Liu Jianbo,Zhai Shihong,Liu Peng.Subsidence Monitoring Technology of Extra Large Caisson in Taizhou Bridge[J].Modern Transportation Technology,2009,6(2):58-61. |
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| Authors: | Xiao Wenfu Fu Qiongge Liu Jianbo Zhai Shihong Liu Peng |
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| Institution: | 1.CCCC Second Harbour Engineering Co.;Ltd.;Wuhan 430014;China;2.Key Lab of Large-span Bridge Construction Technology;Ministry of Communications;Wuhan 430071;China |
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| Abstract: | The pier foundation of middle tower of Taizhou Yantze river using caisson structure.It is important to monitor the inner stress and strain of cassion structure as well as whole stability in sinking process.This paper introduces the monitoring method of cassion cuting edge reaction,side friction,friction between shaft lining and soil,anchor cable force.The monitoring provide timely and accurate early warming information for safe construction of cassion foundation and ensure the construction carried smoothly. |
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| Keywords: | Taizhou bridge caisson stress and strain monitor and control |
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