萘系与聚羧酸系高效减水剂流变性能对比研究  

Comparative Study on Rheological Properties of Naphthalene and Polycarboxylic Acid Superplasticizers

作　　者：刘腾生 赵加豪 Liu Tengsheng;Zhao Jiahao(Jiangxi Zhongshan Construction Engineering Co.Ltd.,Xinyu,Jiangxi 338000;Jiangxi Honghaozhi Engineering Quality Inspection Co.Ltd.,Nanchang,Jiangxi 330012)

机构地区：[1]江西中山建工工程有限公司,江西新余338000 [2]江西鸿浩志工程质量检测有限公司,江西南昌330012

出　　处：《江西建材》2020年第6期19-20,22,共3页Jiangxi Building Materials

摘　　要：研究萘系高效减水剂与聚羧酸系高效减水剂对掺粉煤灰水泥浆体流动性的影响,通过不同减水剂掺量与不同剪切速度下,测试掺粉煤灰水泥浆体流变性能。试验结果表明:萘系高效减水剂与聚羧酸系高效减水剂在合适的掺量范围内可以提高水泥浆体的流动性,浆体中的粉体颗粒分散性好;而相同条件下的聚羧酸系高效减水剂具有比萘系减水剂更好的保坍能力和降粘功能。In this paper,the effects of naphthalene-based superplasticizer and polycarboxylic acid-based superplasticizer on the fluidity of fly ash cement slurry were studied.The fly ash cement was tested under different water reducer dosages and different shear rates.Slurry rheological properties.The test results show that:naphthalene-based superplasticizer and polycarboxylic acid-based superplasticizer improve the fluidity of cement slurry,and the dispersion of fine powder in the slurry is good;and polycarboxylic acid-based superplasticizer under the same conditions has Better slump retention and viscosity reduction than naphthalene water reducer.

关 键 词：萘系减水剂 聚羧酸系减水剂 流变性能 

分 类 号：TU528[建筑科学—建筑技术科学]