混凝土内部应力测量关键在于应力应变转换，而应力应变转换关键在于徐变系数的识别。
The key to concrete stress measure is the translation from strain to stress. And the transition 's key is the identification of creep factor.
分析了细骨料和粗骨料对高强混凝土徐变性能的影响规律，提出了徐变系数的预测计算公式。
The formula is proposed for predicting the creep-coefficients of high-strength concrete of different aggregates.
为了进一步进行整体结构施工阶段分析，本文继而用组合徐变系数来表达钢管混凝土轴压构件的徐变变形。
For the sake of further analysis on the overall structure in the construction phase, composite creep coefficient is adopted to express the creep behavior of centric loaded CFST members.
研究表明：粉煤灰通过改变胶凝材料体系水化速度、徐变系数、弹性模量，可以有效抑制早期混凝土的自收缩。
The research shows that fly ash could restrain early autogenous shrinkage by changing the parameter of binder, such as hydrated velocity, creep coefficient, elastic modulus and so on.
通过试验结果与现行桥规JTGD62-2004的比较得出：配筋高强混凝土徐变系数远小于规范取值，且在170天后徐变系数有收敛的特征。
The measured values of creep coefficient are far less than that of current bridge code (JTG D62-2004), and it has the characteristics of convergence after 170 days.
因此可作为一般混凝土徐变问题的中值系数值。
Therefore, these values can be used for general creep problems of concrete.
因此可作为一般混凝土徐变问题的中值系数值。
Therefore, these values can be used for general creep problems of concrete.
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