Alkaline cementitious material is a noticeable kind of new materials appearing in recent years.This material posses various good construction properties with simple production technology and aboundant raw materials.It uses a large amount of industrial wastes and reduces environmental pollution.It is proved theoretically that alkali-alkaline earth aluminum silicate compounds can be formed in the rcactions between the alkaline elements of family 1(or together with the alkaline earth elements of family 2)and t...