不同早强剂对水泥早期水化和强度的影响研究  

Study on the influence of different early strength agents on early hydration and strength of cement

作　　者：林永权 尹佳芝 陶从喜 邓恺 李怀超 林豪 陈楷良 Lin Yongquan;Yin Jiazhi;Tao Congxi;Deng Kai;Li Huaichao;Lin Hao;Chen Kailiang(China Resources Building Materials Technology Co.,Ltd.,Shenzhen 518001,China)

机构地区：[1]华润建材科技有限公司,广东深圳518001

出　　处：《水泥工程》2024年第6期5-9,34,共6页Cement Engineering

摘　　要：早强剂作为混凝土常用外加剂,可有效地提高混凝土的早期强度。本文通过微量热法和水泥胶砂试验,研究了硫氰酸钠、硫酸钠、硫酸铝等早强剂对水泥早期水化和强度的影响,并对其相关作用机理进行了阐述;同时采用多项评价指标,综合对比了相同掺量下不同早强剂的早期水化及早强效果。As a commonly used admixture for concrete,early strength agent can effectively improve the early strength of concrete.This article investigates the effects of early strength agents such as sodium thiocyanate,sodium sulfate,and aluminum sulfate on the early hydration and strength of cement through microcalorimetry and cement mortar tests,and elucidates their related mechanisms of action;At the same time,multiple evaluation indicators were used to comprehensively compare the early hydration and early strength effects of different early strength agents under the same dosage.

关 键 词：早强剂 微量热法 水泥水化 胶砂强度 

分 类 号：TQ172.6[化学工程—水泥工业]