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首页> 外文会议>International Conference of Concrete Pavement,China(耐久性水泥混凝土路面学术交流会） >Rheology of SBR latex Modified Cement Paste Containing Mineral Admixtures
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Rheology of SBR latex Modified Cement Paste Containing Mineral Admixtures

机译：含矿物掺合料的SBR胶乳改性水泥浆的流变学

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摘要

In this paper, the rheology of styrene-butadiene rubber (SBR) latex modified cement paste (SMCP) was studied. The effects of superplasticizer (SP), shear rate, SBR latex and mineral admixtures (MAs) on the rheological performance of SMCP were researched by the Brookfield R/S Plus rheometer. The results indicate that SP has a significant influence on the rheology of SMCP. The yield stress and plastic viscosity of SMCP generally decrease with the increasing of SP quantity. The rheology of SMCP improves as SBR latex content increases gradually. With the increasing of the fly ash (FA), the yield stress of SMCP gradually increases and the plastic viscosity also increases in a certain extent. While with the gradually increasing of the granulated blast-furnace slag (GBFS) content, the yield stress and plastic viscosity of SMCP decreases, but not significantly.
机译：本文研究了丁苯橡胶（SBR）乳胶改性水泥浆（SMCP）的流变性。通过Brookfield R / S Plus流变仪研究了高效减水剂（SP），剪切速率，SBR胶乳和矿物掺合料（MAs）对SMCP流变性能的影响。结果表明，SP对SMCP的流变性具有重要影响。随着SP量的增加，SMCP的屈服应力和塑性粘度通常会降低。随着SBR胶乳含量的逐渐增加，SMCP的流变性得到改善。随着粉煤灰（FA）的增加，SMCP的屈服应力逐渐增加，塑性黏度也有一定程度的增加。随着粒状高炉矿渣（GBFS）含量的逐渐增加，SMCP的屈服应力和塑性粘度降低，但不显着。

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