碱胶凝材料水化产物C-A-S-H与N-A-S-H的研究进展

碱胶凝材料作为一种新型低碳建筑材料,以其优异的性能成为当前研究的热点领域之一.对近几年国内外对碱胶凝材料主要水化产物C-A-S-H与N-A-S-H结构组成特点及人工合成方法等方面的研究进展进行了综述,当前人工合成C-A-S-H与N-A-S-H的主要方法有溶胶-凝胶法、水热法和化学沉淀法等,合成所得的C-A-S-H与N-A-S-H体系产物也与合成方法密切相关.通过总结目前已有的合成方法,对比分析了各种合成方法的优缺点,并提出了当前研究中一些亟待解决的问题和未来研究发展方向.

Hydration Products C-A-S-H and N-A-S-H of Alkali-activated Materials

Alkali-activated materials , as a new type of low-carbon building materials , have become one of the hot research fields with their excellent properties .The research progress in recent years in the structure composition and artificial synthesis methods of C-A-S-H and N-A-S-H in hydration products of alkali-activated materials are reviewed .The main methods of synthesizing C-A-S-H and N-A-S-H are sol-gel method , hydrothermal method and chemical precipitation method , and the synthesized C-A-S-H and N-A-S-H system products are also closely related to the synthesis methods .By summarizing the existing synthetic methods , the advantages and disadvantages of various synthetic methods are compared , and analyzed some problems to be solved in current research and future research directions .