标题:
矿渣微粉对水泥耐久性能影响的研究Influence of Ground Slag on Durability of Cement
作者:
戴银所
关键字:
矿渣微粉, 水泥, 耐久性, 微观分析Ground Slag, Cement, Durability, Microstructure-Analysis
期刊名称:
《Hans Journal of Civil Engineering》, Vol.4 No.6, 2015-11-30
摘要:
矿渣微粉具有一定的水化活性，掺入水泥浆体后能够明显提高水泥抗化学侵蚀性能，抗干缩，抗碳化，抗冻性等耐久性能，提高幅度基本可以达到10%左右；利用SEM，TG-DTA，XRD，压汞孔分析等方法对水泥水化物进行分析，结果表明：矿渣微粉能够吸收水泥水化产物Ca(OH)2生成C-S-H凝胶，导致降低孔径，优化孔结构，从而提高水泥石的密实度，从而改善水泥的各项性能。
Experiment of cement with ground slag shows that ground slag can improve the properties of ce-ment such as coefficient of resistance to chemical corrosion, dry shrinkage, and carbonation coef-ficient, freezing and thawing resistance by 10%. The microstructure-analysis by using SEM, TG- DTA, XRD and MIP shows that the ground slag can absorb the productions of hydrating cement: Ca(OH)2, and C-S-H gel is formed, which can refine the distribution of pore structure and increase the density of cement-stone, therefore improving the durability.