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首页> 外文会议>コンクリート工学講演会;日本コンクリート工学会 >RHEOLOGICAL PROPERTIES OF CEMENT-BASED MATERIALS INCORPORATING SCMS WITH LOW-VISCOSITY TYPED SUPERPLASTICIZER
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RHEOLOGICAL PROPERTIES OF CEMENT-BASED MATERIALS INCORPORATING SCMS WITH LOW-VISCOSITY TYPED SUPERPLASTICIZER

机译：水泥基材料的流变特性，包括低粘度型超塑化SCMS

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The aim of this research is to provide a rheological performance of the low viscosity typed superplasticizer (SP) on the cement-based materials incorporating various supplementary cementitious materials (SCMs). As a newly introduced typed SP, the low viscosity typed SP should be used for high performance concrete mixture of low water-to-cementitious materials ratio or incorporating various SCMs. Despite the demand of this new-typed SP, the research about the influence of the low viscosity typed SP on the fluidity or rheological properties of the cement-based materials incorporating SCMs is not sufficient. In this research, hence, to evaluate the performance of low viscosity typed SP on rheological properties of cement-based materials, cement paste and mortar incorporating fly ash, blast furnace slag, and silica fume were tested with generic and low viscosity typed SPs. According to the experiment results, low viscosity typed SP successfully reduced plastic viscosity of the mixtures. Additionally, the low viscosity typed SP reduced yield stress or improved fluidity more than generic typed SP. Based on this research, it is expected to contribute on providing a data for further usage of low viscosity typed SP efficiently.
机译：这项研究的目的是提供低粘度型高效减水剂（SP）在掺有各种辅助胶结材料（SCM）的水泥基材料上的流变性能。作为一种新推出的SP型，低粘度SP型应用于水灰比低的高性能混凝土混合物或结合各种SCM。尽管需要这种新型SP，但对低粘度SP对掺入SCM的水泥基材料的流动性或流变性能的影响的研究还不够。因此，在这项研究中，为了评估低粘度型SP对水泥基材料的流变性能的影响，使用普通和低粘度型SP对掺有粉煤灰，高炉矿渣和硅粉的水泥浆和砂浆进行了测试。根据实验结果，低粘度类型的SP成功降低了混合物的塑性粘度。另外，低粘度类型的SP比普通类型的SP更能降低屈服应力或改善流动性。基于此研究，有望为有效地进一步使用低粘度型SP提供数据。

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