关键词: 粉煤灰;磷酸镁水泥;凝结时间;强度;流动度

Abstract: The effects of fly ash content on the setting time,fluidity and compressive strength of magnesium phosphate cement were studied.The effect mechanism of fly ash on magnesium phosphate cement was analyzed by XRD and SEM-EDS.The results show that the setting time of magnesium phosphate cement first decrease then increase,fluidity first increase then decrease with the increasing of fly ash content;The compressive strength decreases with the increasing of fly ash content.

Key words: fly ash;magnesium phosphate cement;setting time;strength;fluidity