Composition feature of hydration products of cementitous materials with steel - making slag powder is studied by xrd and dta - tg and influence of mineral additives on hydration rate also investigated by chemical bond water of ultimate hydration products 利用xrd 、 dta一tg研究了含钢渣粉胶凝材料水化产物的组成特征,并用极限水化产物的结合水量推算了掺合料对水泥水化速率的影响。