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在毛主席的革命路线指引下,上海市建筑部门为推行墙体改革利用工业废料,生产砌块。从1959年起利用粉煤灰试制硅酸盐砌块,1963年正式投产,推广使用。经过无产阶级文化大革命运动,广大群众提高了路线觉悟,砌块建筑的推广,得到了进一步的巩固和提高。蒸养粉煤灰硅酸盐砌块是一种新型墙体材料,是以大量的粉煤灰和少量的石灰、石膏作胶凝材料,煤渣作轻骨料,如制作混凝上那样,经过均匀搅拌,振动成型,蒸汽养
Under the guidance of Chairman Mao’s revolutionary route, the Shanghai Construction Department used industrial waste to produce blocks for the implementation of wall reforms. From 1959 onwards, trial production of silicate blocks using fly ash was officially put into production in 1963 and promoted. After the Great Proletarian Cultural Revolution Movement, the broad masses of people have enhanced the awareness of the route and promoted the promotion of building blocks, which has been further consolidated and improved. Steamed fly ash silicate block is a new type of wall material. It uses a large amount of fly ash and a small amount of lime and gypsum as cementitious materials, and coal slag as light aggregate, as in the production of coagulation, Evenly stirring, vibration molding, steam raising