the development of strength and soundness of the blended cement containing 30% sm fly ash are similar'to the ordinary portland cement.
神木灰取代水泥在30%以内,对水泥的强度发展和安定性无不利影响;
theoretical studies are carried out on the slag of tilting converters in baoshan steel works as an cement addition and the possibilities to make blended cement with other additions.