外加剂的应用促进了商品混凝土的飞跃发展,取得了十分可观的技术经济及社会效益。但由于一些混凝土施工技术人员对外加剂的应用技术掌握不多,在实际施工应用中还存在较多的认识误区,影响了外加剂在商品混凝土施工中的应用效果,因外加剂的使用不当带来的工程事故也时有发生。 The application of admixture has promoted the leap development of commercial concrete and made considerable technical, economic and social benefits. However, due to the fact that some concrete construction technicians have little mastery of the application technology of admixture, there are still many misunderstandings in actual construction and application, affecting the application effect of admixture in commercial concrete construction. Due to improper use of admixture Engineering accidents have come from time to time.