过去十年,由于国家建设基础设施的需要,混凝土企业如雨后春笋般涌现,年产方量也逐年增加,经济利润的增加掩盖了混凝土企业粗放式的发展现状,但是近两年来,由于房地产市场的饱和,部分混凝土企业产量出现降低的同时也暴露出混凝土企业的诸多环境问题,如噪音、粉尘、道路泥泞不堪等,给人“脏、乱、差”的感觉。为规范预拌混凝土清洁绿色生产,保证工程质量,满足混凝土企业节地、节能、节材、节水和环境保护的要求,目前国家已经制定了JGJ In the past ten years, due to the needs of infrastructure construction in the country, the concrete enterprises have sprung up and their annual output has also increased year by year. The increase in economic profits has masked the extensive development of concrete enterprises. However, in the past two years, as the real estate market Saturated, part of the decline in production of concrete enterprises also exposed many of the environmental problems of concrete enterprises, such as noise, dust, muddy roads, etc., giving “dirty, chaotic, poor ” feeling. In order to regulate the clean production of ready mixed concrete, ensure the quality of the project and meet the requirements of the concrete enterprises for saving land, energy saving, material saving, water saving and environmental protection, the country has now formulated the JGJ