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(一)问题的提出直接用钙质材料(石灰)和硅质材料(砂)以水热合成方法(蒸压方法)制作加筋灰砂建筑构件早在30年代即已在苏联问世,50年代苏联即已大规模组织生产,80年代达到了完全机械化和自动化的水平。产品繁多,应用甚广,这种构件的基本原材料是石灰与砂子,所以其
(I) Proposal of the problem The use of calcareous materials (lime) and siliceous materials (sand) for hydro-thermal synthesis (autoclaved method) for the production of reinforced ash sand building elements was introduced in the Soviet Union as early as the 1930s. The Soviet Union has organized production on a large scale and reached full mechanization and automation in the 1980s. With a wide range of products and a wide range of applications, the basic raw materials for such components are lime and sand, so its