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混凝土的应用历史已有170年之久,是目前用量最大的重要建筑材料之一。随着社会的发展和进步,环境、资源和能源问题越来越受到世人的关注,人们对混凝土的要求也越来越高,并提出了各种改进混凝土应用的新方法,而发展商品混凝土是混凝土行业走向现代化和科学化的标志,它具有节约资源、保护环境、促进混凝土工业健康发展、推进混凝土行业市场化进程、改善劳动条件等多方面的综合经济效益。国家和各级地方政府也相应出台了各种政策法规和管理办法,大力发展商品混凝土。
The application history of concrete has been 170 years, it is one of the most important building materials at present. With the development and progress of society, the environment, resources and energy issues have drawn more and more attention from the world, and people are demanding more and more concrete. Various new methods for improving the application of concrete are put forward, and the development of commercial concrete is Concrete industry to modernization and scientific symbol, it has the resources to save, protect the environment, promote the healthy development of concrete industry, promote the marketization process of concrete industry, improve working conditions and many other aspects of comprehensive economic benefits. The state and local governments at all levels have also promulgated various policies, laws, regulations and management measures, and vigorously develop commodity concrete.