Research for Increasing the Activation of Steel Slage and Fly Ash L in Zongshou Tao H aizheng Tu ChenghouL in Zongshou: Prof.,School of Material Science and Engineering,WUT,Wuhan430 0 70 ,ChinaFor activating steel slag and fly ash,the methods of chemical activation,changing the chemical composition and phi- sical phase structure of steel slag and fly ash,thermal activation have been adoped and researched. And composition of the advantageous and disadvantageous among these methods was made.steel slag; fly ash; activation