| 大跨径连续刚构桥裂缝成因分析 |
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| 引用本文： | 魏平.大跨径连续刚构桥裂缝成因分析[J].交通标准化,2006(4):132-134. |
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| 作者姓名： | 魏平 |
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| 作者单位： | 河南省交通规划勘察设计院,河南,郑州,450052 |
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| 摘 要： | 大跨径连续刚构桥在我国有着广泛的应用。其在施工或使用过程中，梁体砼普遍会出现各种不同性质的裂缝问题，故在设计中着重处理好桥梁跨径、尺寸的拟定、预应力钢束、温度应力、砼的收缩徐变等问题，在新材料的应用上多做尝试，裂缝问题就会得到很好的解决。
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| 关 键 词： | 连续刚构桥 裂缝 设计原因 |
| 文章编号： | 1002-4786（2006）04-0132-03 |
| 收稿时间： | 2005-09-14 |
| 修稿时间： | 2005年9月14日 |
Cause of Formation on Cracks of Long-span Continuous Rigid Bridge |
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| WEI Ping.Cause of Formation on Cracks of Long-span Continuous Rigid Bridge[J].Communications Standardization,2006(4):132-134. |
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| Authors: | WEI Ping |
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| Institution: | Henan Provineial Communications Planning Survey and Design Institute, Zhengzhou 450052, China |
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| Abstract: | The long-span continuous rigid bridge is used widely in our country, although there will be many different cracks occur in concrete of girder during the construction and applications. All of these cracks will be prevented and cured when we do well in following steps, such as the bridge span, size confirmation, prestressed steel bundle, temperature stress, shrink and creep deformation of concrete, application of new materials. |
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| Keywords: | continuous rigid bridge cracks design cause |
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