国家从“九五”起即致力建筑材料的革新，并纳入建设部“九五”期间十大科研课题当中，规定全国所有在建工程将淘汰普通粘土砖，告别“秦砖汉瓦”，随着国家对粘土砖生产及使用的限制，必然要有替代产品。灰渣免烧砖也就自然而然成了粘土砖的理性替代产品，其市场会越来越... From the “Ninth Five-Year Plan” period onwards, the State has committed itself to the innovation of building materials and has been included in the top ten scientific research topics during the “Ninth Five-Year Plan” period of the Ministry of Construction. It stipulates that all construction projects in the country will eliminate ordinary clay bricks and bid farewell to the “Qin Brick Tiles”. With the country’s restrictions on the production and use of clay bricks, there must be alternative products. Ash-free bricks will naturally become a rational substitute for clay bricks, and its market will become more and more...