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不同早强剂对水泥早期水化和强度的影响研究

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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.
Study on the influence of different early strength agents on early hydration and strength of cement
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 hy-dration 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.

early strength agentmicrocalorimetrycement hydrationstrength of adhesive sand

林永权、尹佳芝、陶从喜、邓恺、李怀超、林豪、陈楷良

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华润建材科技有限公司,广东 深圳 518001

早强剂 微量热法 水泥水化 胶砂强度

2024

水泥工程
南京水泥工业设计研究院有限公司

水泥工程

影响因子:0.118
ISSN:1007-0389
年,卷(期):2024.(6)