The results show that both of fly ash and slag powders can be used for increasing the fluidity of cement mortars, their effectiveness on fluidity and compressive strength are related to the cement type and the formulations of cement mortar.

• 结果表明：矿渣粉和粉煤灰都可以提高砂浆的流动性，它们对水泥砂浆的流动度及抗压强度的影响与水泥品种及砂浆配合比有关。