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在水泥混凝土中掺入少量外加剂,对水泥混凝土的强度等性能会产生较大影响。高性能水泥混凝土外加剂能够使混凝土的水胶比大幅降低,使混凝土流动性有所增加,混凝土强度等特性进一步得到提高。本文就混凝土施工中掺入高性能外加剂的重要作用,研究了高性能外加剂的种类以及选用原则,为高性能外加剂的开发研究和水泥混凝土工程应用外加剂提供借鉴。
In cement concrete with a small amount of admixture, cement concrete strength and other properties will have a greater impact. High-performance cement concrete admixtures can significantly reduce the water-cement ratio of concrete, concrete flow increased, concrete strength and other characteristics have been further improved. In this paper, the important role of high performance admixture in concrete construction is studied. The types and selection principles of high performance admixture are researched, which provide references for the development and research of high performance admixture and admixture for cement concrete engineering.