| 钢管混凝土拱桥拱脚裂缝成因分析及防治措施 |
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| 引用本文： | 程泽兵,胡忠宏.钢管混凝土拱桥拱脚裂缝成因分析及防治措施[J].现代交通技术,2008,5(1):47-49. |
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| 作者姓名： | 程泽兵 胡忠宏 |
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| 作者单位： | 1. 东南大学交通学院,江苏,南京,210096
2. 南京市水利建筑工程有限公司,江苏,南京,210001 |
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| 摘 要： | 结合施工实践，对较低温季节施工拱脚裂缝原因进行了分析和计算。结果表明混凝土养护不当、早期水化热过大和上部配筋不足是拱脚裂缝形成的主要原因；提出了防治裂缝的措施和拱脚下部振捣密实的方法，为类似工程的设计与施工提供借鉴。
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| 关 键 词： | 钢管混凝土拱桥 拱脚 裂缝 防治 |
| 文章编号： | 1672-9889(2008)01-0047-03 |
| 修稿时间： | 2007年8月9日 |
Analysis of Cracking in Arch Foot of Concrete-filled Steel Tube Arch Bridge and Preventing Meansures |
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| Cheng Zebing,Hu Zhonghong.Analysis of Cracking in Arch Foot of Concrete-filled Steel Tube Arch Bridge and Preventing Meansures[J].Modern Transportation Technology,2008,5(1):47-49. |
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| Authors: | Cheng Zebing Hu Zhonghong |
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| Institution: | Cheng Zebing, Hu Zhonghong (1.Transportation College, Southeast University, Nanjing 210096, China; 2.Nanjing Water Conservancy Construction Engineering Company, Nanjing 210001, China) |
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| Abstract: | Using the theory of controlling cracks and the practice of concrete structures, the cracks of the arch foot during the cold weather are analyzed.The results showed that cracking was induced by the improper curing concrete ,the hydraulic heat in early stage, and the shot of steel bars.Under this discussion, some measures concerning the cracking and the vibrating concrete in the arch foot are introduced, which provides reference to similar projects. |
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| Keywords: | concrete-filled steel tube arch bridge arch foot crack prevention |
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