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.
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。
2
The paper introduces the usage of analysis of concrete creep by effective modulus method thesis and modeling of crack by crack element.
论文探讨了用有效模量法分析徐变效应、用裂缝单元模拟裂缝的方法。
3
Based on the experimental study, volume creep compliance, volume relaxation modulus and their main curves and initial void content of solid propellant are given.