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掺入少量高效减水剂可以配制高强度混凝土,但是会造成坍落度损失明显。文中概述了坍落度损失机理及坍落度的保持方法,介绍了几种新型高效减水剂及其应用、发展。
Mixed with a small amount of high-performance superplasticizer can be formulated high-strength concrete, but will cause slump loss significantly. In this paper, the mechanism of slump loss and the method of maintaining slump are summarized. Several new types of superplasticizers and their application and development are introduced.