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《CONCRETE》 2000-02
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Experiment Investigation of Strength of Concrete after High Temperature

Xuyu Xu Zhisheng (ChangSha Railway University,ChangSha,410075)〔  
In order to investigate the effect of temperature (from normal atmospheric temperature to 1000℃)caused by fire on the strength of concrete,a total of 104 specimens have been performed under different temperature conditions.The content consists of the ultimate tension and tensile of concrete subjected to fire and then cooled at air or at water The regularity and mechanism of change in concrete on strength after high temperature are analyzed;Emphasis is laid on the relationship between temperature and strength.The relevant formulas are proposed,and the effect of different methods of cooling to the strength is analyzed in this paper. 〔
【CateGory Index】: TU528
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