Last, the temperature contraction coefficient and dry shrinkagecoefficientof porous concrete are advanced.
得出多孔混凝土的温缩系数和干缩系数。
2
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。
3
It was shown that dry shrinkage and shrinkagecoefficientof specimens decreased if partial cement was replaced by fly ash and slag, and then further by more fly ash.