疲劳加载后预应力混凝土构件冻融损伤模型研究

Study on Freeze-Thaw Damage Model of Prestressed Concrete Members under Fatigue Loading

通过对现有试验数据分析研究,引入冻融参量和衰减指数并利用MATLAB进行拟合,建立疲劳加载后预应力混凝土构件冻融损伤模型。将模型计算结果与试验实测值进行比较,结果表明:模型计算结果与实测值吻合较好,对实际工程应用具有重要意义。

Through the analysis of experimental data, the freezing and thawing parameters and the attenuation index were introduced and fitted by MATLAB to establish the freeze-thaw damage model of prestressed concrete members under fatigue loading. Comparing the results of the model with the measured values, the results show that the calculated results are in good agreement with the measured values, which is of great significance to the practical engineering application.