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近年来,我国减水剂生产发展很快,品种繁多,应用日趋广泛。随着减水剂生产的发展,研究新的更为有效的使用方法,以充分发挥减水剂的作用,配制质地优良的混凝土,已成为当前亟待解决的课题。西德和日本已较多地在流动化混凝土中运用后掺技术,但在我国还很少采用。为了推广应用减水剂,本文结合我国混凝土的生产特点,通过试验和现场应用,对后掺技术及其应用进行了探讨。
In recent years, the production of superplasticizers in China has developed rapidly, with a wide variety of products and applications have become increasingly widespread. With the development of water-reducing agent production, the study of new and more effective methods of use to give full play to the role of water-reducing agents and to prepare concrete with excellent texture has become a topic that needs to be solved urgently. West Germany and Japan have used post-doping technology in fluidized concrete, but they are rarely used in China. In order to promote the application of water-reducing agent, this paper combines the production characteristics of concrete in China, and explores the post-doping technology and its application through experiments and field applications.