水泥矿物体系诱导期的水化进程及机理的研究进展

摘要/Abstract

摘要： 硅酸三钙(C₃S)体系及铝酸三钙-二水石膏(C₃A-CH₂) 体系作为主要的硅酸盐水泥矿物相,对水泥新拌阶段及后续性能发展阶段有尤为重要的影响。而水泥在诱导期内的水化进程很大程度上决定了其后续性能的发展。鉴于此,本文回顾了水泥水化的热力学原理,重点综述了目前关于水泥水化诱导期开始及结束时作为主要矿物体系的C₃S体系和C₃A-CH₂体系的水化进程及机理的研究进展,以及不同矿物体系诱导期的成因。但限于目前的研究手段,对于水泥水化诱导期内各种矿物体系的相互作用和相互影响仍未完全厘清,还需要进一步的探索。

关键词: 水化机理, 硅酸三钙体系, 铝酸三钙-二水石膏体系, 诱导期, 水化热力学

Abstract: Cement hydration is a key process to determine properties such as rheological property, mechanical property, volume stability and durability of cementitious materials. The hydration process during induction period makes an important role on the property development of cementitious materials. Therefore, understanding the hydration mechanism of cement and clarifying the hydration process of main cement clinker monominerals such as tricalcium silicate (C₃S) system and tricalcium aluminate-gypsum (C₃A-CH₂) system during induction period would find out how to control the property development of cementitious materials in a better way. On this account, thermodynamic mechanism of cement hydration was reviewed. The hydration process and hydration mechanism of C₃S system and C₃A-CH₂ system during induction period were also discussed. However, limited to the current research methods, the interrelation and interaction of various monominerals systems in the induction period of cement are still not fully clarified, and further exploration is needed.

Key words: hydration mechanism, tricalcium silicate system, tricalcium aluminate-gypsum system, induction period, hydration thermodynamic

中图分类号:

TU53

官敏, 胡匡艺, 于涛, 储静远, 艾晓晶, 常郑, 盖琳琳, 盛嘉诚. 水泥矿物体系诱导期的水化进程及机理的研究进展[J]. 硅酸盐通报, 2021, 40(7): 2129-2137.

GUAN Min, HU Kuangyi, YU Tao, CHU Jingyuan, AI Xiaojing, CHANG Zheng, GAI Linlin, SHENG Jiacheng. Research Progress on Understanding Hydration Process and Its Mechanism of Cement Mineral System During Induction Period[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(7): 2129-2137.

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