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粉煤灰的活化与应用，是利用工业废料─粉煤灰的主要途径之一。本文主要研究粉煤灰在混凝土中产生的效用及其粉煤灰混凝土强度变化曲线，展示出粉煤灰所采取的强化措施，来提高混凝土早、后期强度，均接近或超过同标号基准混凝土，为粉煤灰部分或超量取代创造了必备条件，扩大和利用了粉煤灰的使用主渠道，提供了切实可行的技术措施。
The activation and application of fly ash is one of the main ways to use industrial waste - fly ash. This paper mainly studies the effect of fly ash produced in concrete and its strength change curve of fly ash concrete, and shows the strengthening measures taken by fly ash to improve the early and late strength of concrete, which are close to or exceed the same reference benchmark concrete. It has created necessary conditions for the partial or excessive replacement of fly ash, expanded and utilized the main channel for the use of fly ash, and provided practical technical measures.