And this paper deals with heat of hydration and shrinkage in big mass concrete because of utilizing pozzolanic effect and micro-crystal grain effect of superfine slag powder and flyash.

• 利用矿渣微粉和粉煤灰的微集料效应和火山灰效应,解决了大体积混凝土的水化热和收缩问题,并取得了较好的经济和社会效益。