浅谈不同品质粉煤灰对混凝土性能的影响及质量控制要点

The Influence of Different Quality Coal Ash on Concrete Performance and Its Quality Control Points

优质粉煤灰在混凝土中合理使用,不仅经济效益显著,而且由于其特有的性能可以有效改善混凝土的工作性,降低混凝土温升,增大混凝土的后期强度,抑制碱骨料反应,提高混凝土的耐久性等。但是随着粉煤灰日趋多样化,劣质粉煤灰逐渐流入市场,因此必须采用有效的检测方法和质量控制措施,以抑制劣质粉煤灰的使用,避免预拌混凝土企业不必要的经济损失。

The rational use of flyash in concrete,not only has significant economic benefits,but also because of its unique properties,can effectively improve the workability of concrete,reduce the concrete temperature rise,increase the late strength of concrete,alkali aggregate reaction,improve the durability of concrete etc..But with the flyash is becoming more diverse,inferior flyash gradually into the market,so the detection method and effective quality control measures should be adopted,to suppress the use of inferior flyash,avoid unnecessary economic losses of concrete enterprises.