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本文介绍利用复合激活和组份优化技术改性华能上安电厂二级粉煤灰的情况，采用正交设计方法对试验方案进行配方优选。试验结果表明活化改性后的粉煤灰２８天抗压强度较原灰提高１５％，为其今后在优质粉煤灰混凝土中的应用提供了数据。
This paper introduces the modification of secondary fly ash of Huaneng Shang’an Power Plant by means of composite activation and component optimization technology, and adopts the orthogonal design method to optimize the formula of the test plan. The test results show that the compressive strength of the activated fly ash after 28 days is 15% higher than that of the original ash, providing data for its application in high-quality fly ash concrete in the future.