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混凝土施工采用外加剂是一项已被土木工程界所确认的新技术。它具有降低能耗、节约水泥、提高工效、提高工程质量和降低工程造价的效能。铁路基建工程推广应用混凝土外加剂已取得较好的技术经济效益。据不完全统计1984年全路混凝土外加剂的使用率约占水泥总用量的10～15%。本文综述混凝土外加剂技术,希望能在铁路工程中广泛推广应用。
Admixture for concrete construction is a new technology that has been recognized by the civil engineering community. It has to reduce energy consumption, save cement, improve work efficiency, improve project quality and reduce project cost efficiency. Railway infrastructure projects to promote the use of concrete admixture has made good technical and economic benefits. According to incomplete statistics, the usage of concrete admixtures in the whole road in 1984 accounted for 10-15% of the total amount of cement. This article summarizes the concrete admixture technology, hoping to be widely popularized and applied in railway engineering.