工业固废粉煤灰在混凝土中的研究应用

Research and Application of Industrial Solid Waste Fly Ash in Concrete

从混凝土工作性能、力学性能和耐久性能的角度出发,总结概括了粉煤灰在混凝土中的研究应用现状,初步分析了粉煤灰在混凝土中的作用机理,并指出应从标准规范角度关注固“硫”“硝”工艺导致的粉煤灰火山灰活性降低、辅助减水效果变差问题。

From the perspectives of concrete workability,mechanical properties and durability,the article summarizes and generalizes the current research and application status of fly ash in concrete.It preliminarily analyzes the working mechanism of fly ash in concrete,and points out that attention should be paid to the reduced activity of fly ash and volcanic ash and the deterioration of water-reducing effect caused by the"solid sulfur"and"solid nitrogen"processes from the standard and specification perspective.