粉煤灰在三峡一期工程中的应用

目前,粉煤灰已普遍用于混凝土中,尤其是大坝混凝土,随着粉煤灰的掺入,混凝土的性能有较大的改善。本文介绍了优质粉煤灰在三峡一期工程中使用的情况，研究了不同厂家不同品质的粉煤灰对混凝土拌和物性能的影响，并就粉煤灰的质量控制和今后应注意的问题进行了探讨。

At present, fly ash has been widely used to concrete structure, especiallytoconcrete dam, With additive of fly ash ,the properties of concrete have been improved greatly .In this paper, a few fine quality of fly ash used in The Three Gorges Project were introduced. Several differentquality of fly ashes were studied on the effect of fresh concrete, shch as slump and parameter of fly ashwere controlled.