The interactions of fly ash,cement and clay arc analyzed from their properties,and fly ash clay-ce-ment is considered to be endowed with the theory of physical-chemical reaction.

• 从粉煤灰、水泥与粘土的基本性质出发 ,分析了三者的相互作用 ,提出粉煤灰水泥土具有物理化学反应的理论