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在毛主席无产阶级革命路线指引下,本着综合利用的精神,天津市建筑科学研究所、河北省建筑科学研究所、天津市建筑设计院及天津市硅酸盐制品厂(以下简称天硅厂)等单位于1963～1964年共同研制成功蒸压粉煤灰泡沫混凝土砌块。天津市硅酸盐制品厂先后建成两个砌块车间,设计年产量为14万立米。达到设计产量后,每年可利用粉煤灰约14万吨,生产的砌块约相当于1亿块标准粘土砖,可解决40万平米建筑所需的墙体材料。天硅厂迄今已生产砌块16万立米,代替了粘土砖1.2亿块,节约烧砖用农田120亩。天津市用这种砌块建成二至四层楼房约2万平米,平房约3万平米,其余则运销至市郊农村使用。
Under the guidance of Chairman Mao’s proletarian revolutionary line, in the spirit of comprehensive utilization, Tianjin Institute of Building Science, Hebei Institute of Building Research, Tianjin Architectural Design Institute and Tianjin Silicate Product Factory (hereinafter referred to as Tiansilica Factory) ) Other units successfully developed autoclaved fly ash foam concrete blocks from 1963 to 1964. Tianjin Silicate Products Factory has built two block workshops with a design annual output of 140,000 cubic meters. After reaching the designed output, about 140,000 tons of fly ash can be used each year. The blocks produced are equivalent to 100 million standard clay bricks, which can solve the wall materials required for 400,000 square meters of buildings. Tianli Silicon has produced 160,000 cubic meters of blocks so far, replacing 120 million clay bricks and saving 120 acres of farmland for burning bricks. Tianjin uses these blocks to build about 20,000 square meters of two-to-four-story buildings and about 30,000 square meters of bungalows, and the rest are sold to rural suburbs.