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常见阴离子对AFm相的生成及转化的影响研究综述
Influence Research Review on Common Anions on the Formation and Transformation of AFm Phase

DOI: 10.12677/HJCE.2020.97074, PP. 693-698

Keywords: 水泥，水化，AFm相，阴离子
Cement, Hydration, AFm Phase, Anionic

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Abstract:

AFm相是水泥的主要水化产物之一。石灰石粉、混凝土外加剂及水泥基材料的服役环境都可向水泥基材料中引入各种不同的阴离子，对AFm相的生成产生各方面的影响，进而影响水泥基材料的各项性能及耐久性。论文综述了国内外学者近几年来关于几种常见阴离子对AFm相的生成及转化的影响研究，分析总结了Cl？、CO32- 、NO3- 和NO2- 对水泥中AFm相的影响规律，提出了一些当前需要深入研究和讨论的问题及方向。
AFm phase is one of the main hydration products of cement. Limestone powder, concrete admixture and cement-based materials can introduce various anions into cement-based materials in the service environment, which will affect the formation of AFm phase in all aspects, and then affect the performance and durability of cement-based materials. In this paper, the influence of several common anions on the formation and transformation of AFm phase in cement is reviewed, and the influence rules of Cl？, CO32-, NO3- and NO2- on AFm phase in cement are analyzed and summarized. Some problems and directions that need further study and discussion are proposed.

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