| 上海长江隧桥斜拉桥承台大体积混凝土温度及应力监测分析 |
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| 引用本文： | 孙家瑛,眭少峰.上海长江隧桥斜拉桥承台大体积混凝土温度及应力监测分析[J].混凝土与水泥制品,2008(1):10-12. |
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| 作者姓名： | 孙家瑛 眭少峰 |
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| 作者单位： | 1. 浙江大学宁波理工学院,315000;上海大学,200072
2. 上海大学,200072 |
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| 摘 要： | 在长江隧桥工程中主通航孔斜拉桥承台混凝土浇筑后的养护期,为及时了解承台大体积混凝土内部的温度以及应力变化情况,防止其开裂,采用了先进的信息化施工方式,即在线监测,得到了大体积混凝土硬化期间温度及应力发展的典型曲线,同时发现保温养护对抑制混凝土收缩有很重要的影响。
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| 关 键 词： | 大体积混凝土 温度 应力 监测 裂缝 承台 |
| 文章编号： | 1000-4637（2008）01-10-03 |
| 收稿时间： | 2007-08-03 |
| 修稿时间： | 2007年8月3日 |
Monitor and Analyse on Temperature and Stress within Mass Concrete of Bridge Pier's Bearing Platform in Shanghai Changjiang Tunnel-Bridge Project |
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| SUN Jia-ying,SHI Shao-feng.Monitor and Analyse on Temperature and Stress within Mass Concrete of Bridge Pier''''s Bearing Platform in Shanghai Changjiang Tunnel-Bridge Project[J].China Concrete and Cement Products,2008(1):10-12. |
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| Authors: | SUN Jia-ying SHI Shao-feng |
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| Abstract: | In order to observing and surveying the changes of temperatures and stresses within the mass concrete and then for preventing from creck,an advanced technology of on-line monitor is applied during construction of the bearing platforms of bridge piers in Shanghai Changjiang Tunnel-Bridge Project.The typical curves on development of temperature and stress are obtained.And it is found that the preservation curring has an important effect on restraining the shrinkage of concrete. |
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| Keywords: | Mass concrete Temperature Stress Monitor Crack Bearing platform |
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