still many problems in the production and use. First of all, in some people's ideas, they can not really accept unburned bricks. They feel that bricks need to be sintered and their performance is reliable. In fact, countless experiments, such as the use of slag, fly ash made of unburned bricks, curing 28d performance to the GB11945 requirements of MU25.РSecondly, many manufacturers of industrial waste residue and unburned brick are now closed down or closed down, mostly because of steam curing or inappropriate use of waste residue. Excessive addition of admixtures makes the cost too high.РTherefore, large numbers of scientific research workers should help enterprises select appropriate raw materials, proportioning, processes and equipment to improve the economic efficiency of enterprises.
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