超硫酸盐水泥基材料耐化学侵蚀特性综述  

A Review of Chemical Attack Resistance of Supersulfated Cement-Based Materials

作　　者：常硕 王露[1] 李新宇 李茂森 刘数华[1] CHANG Shuo;WANG Lu;LI Xinyu;LI Maosen;LIU Shuhua(State Key Laboratory of Water Resources Engineering and Management,Wuhan University,Wuhan 430072,China;Hydraulic Concrete Institute,China Three Gorges Corporation,Beijing 100038,China)

机构地区：[1]武汉大学水资源工程与调度全国重点实验室,武汉430072 [2]中国长江三峡集团有限公司水工混凝土工程技术研究室,北京100038

出　　处：《硅酸盐通报》2024年第12期4271-4284,共14页Bulletin of the Chinese Ceramic Society

基　　金：国家自然科学基金(52278273);湖北省自然科学基金联合基金项目(2023AFD183)。

摘　　要：超硫酸盐水泥是一种绿色、低碳胶凝材料,具有低能耗、低水化热以及高抗化学侵蚀性能等优点。本文主要介绍了超硫酸盐水泥的组分、早期水化特性、力学性能和耐化学侵蚀特性等。通过与硅酸盐水泥基材料对比,重点评述了超硫酸盐水泥基材料的耐化学侵蚀劣化特性,包括溶出性侵蚀、一般酸性侵蚀和硫酸盐侵蚀,在此基础上进一步总结了超硫酸盐水泥基材料的侵蚀劣化机理,为超硫酸盐水泥基材料在不同环境中的工程应用提供理论指导。Supersulfated cement(SSC)is a kind of green and low-carbon cementitious material,which has the advantages of low energy consumption,less heat release from hydration and high resistance to chemical attack.This paper mainly introduces the composition,early hydration properties,mechanical properties and chemical attack resistance of SSC.By comparing with Portland cement-based materials,it focuses on the chemical attack deterioration characteristics of SSC,including leaching,general acid attack and sulfate attack.On this basis,the chemical attack deterioration mechanism of SSC is further summarized.It provides theoretical guidance for the engineering application of SSC in different environments.

关 键 词：超硫酸盐水泥 水化特性 化学侵蚀 劣化机理 

分 类 号：TU528[建筑科学—建筑技术科学]