RHEOLOGICAL STUDY ON THE EFFECT OF TEMPERATURE ON SUPERPLASTICIZED CEMENT PASTES

机译：温度对超增塑水泥浆影响的流变学研究

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We have investigated the influence of temperature on the rheological behaviour of rapid-setting Portland cement pastes prepared with a polycarboxylate-based superplasticiser and optionally microsilica. After mixing at room temperature, a thermoregulated viscometer was used to determine the apparent viscosity and an estimative yield stress value for different compositions of the mixes in terms of superplasticiser dosage and presence of microsilica, as well as for different times of processing in their preparation. Dependence of the saturation dosage of the superplasticiser with temperature and times of mixing was observed.

机译：我们已经研究了温度对用聚羧酸盐型高效减水剂和微硅粉制备的速凝波特兰水泥浆的流变行为的影响。在室温下混合之后，使用温度调节粘度计来确定混合物的表观粘度和估计的屈服应力值，该混合物的组成取决于增塑剂的用量和微硅粉的存在以及制备过程中不同处理时间。观察到高效减水剂的饱和剂量与温度和混合时间有关。

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来源
《Admixtures - Enhancing Concrete Performance》|2005年|157-164|共8页
会议地点 Dundee(GB)
作者
V Fernandez-Altable; I Casanova;
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作者单位

UPC - Technical University of Catalonia Spain;

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会议组织
原文格式 PDF
正文语种 eng
中图分类混凝土结构、钢筋混凝土结构;
关键词
rheology; superplasticiser; polycarboxylate; silica fume; microsilica; yield stress; viscosity; cement pastes;

机译：流变学高效减水剂聚羧酸盐硅粉微硅屈服应力粘度水泥浆;

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专利

1. Influence of Superplasticizer Dosage on Rheological Properties of Fresh Cement Pastes and Properties of Hardened Cement Pastes [J] . Dong Lin, Yong-Quan Lin, Su-Hong Yin, Key Engineering Materials . 2009,第期

机译：高效减水剂用量对新鲜水泥浆流变性能和硬化水泥浆性能的影响
2. Time- and temperature-dependent rheological properties of cemented paste backfill that contains superplasticizer [J] . Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems . 2020,第期

机译：含有超增塑性剂的水泥浆浆料回填的时间和温度依赖性流变性能
3. Study on the rheological properties of Portland cement pastes with polycarboxylate superplasticizers [J] . Kong X., Zhang Y., Hou S. Rheologica Acta: An International Journal of Rheology . 2013,第7期

机译：聚羧酸类高效减水剂对硅酸盐水泥浆体流变性能的影响
4. RHEOLOGICAL STUDY ON THE EFFECT OF TEMPERATURE ON SUPERPLASTICIZED CEMENT PASTES [C] . V Fernandez-Altable, I Casanova International Conference on Admixtures - Enhancing Concrete Performance . 2005

机译：温度对超塑性水泥浆料影响的流变学研究
5. Compatibility between cements and superplasticizers in high-performance concrete: Influence of alkali content in cement and of the molecular weight of PNS on the properties of cement pastes and concretes. [D] . Kim, Byung-Gi. 2000

机译：高性能混凝土中水泥与高效减水剂的相容性：水泥中碱含量和PNS分子量对水泥浆和混凝土性能的影响。
6. Different Effects of NSF and PCE Superplasticizer on Adsorption Dynamic Yield Stress and Thixotropy of Cement Pastes [O] . Ye Qian, Geert De Schutter 2018

机译：NSF和PCE高效减水剂对水泥浆的吸附动态屈服应力和触变性的不同影响
7. Rheological Properties of Very High-Strength Portland Cement Pastes: Influence of Very Effective Superplasticizers [O] . Adriano Papo, Luciano Piani, Riccardo Ricceri 2010

机译：非常高强度波特兰水泥浆料的流变性质：非常有效的超级塑化剂的影响
8. Rheologic Properties of Fresh Cement Mixes for Repository Sealing Applications: Effects of Superplasticizers, Mixing Procedures, and Time [R] . Roy, D. M., Asaga, K. 1982

机译：用于储存密封应用的新鲜水泥混合物的流变特性：超塑化剂的影响，混合程序和时间

RHEOLOGICAL STUDY ON THE EFFECT OF TEMPERATURE ON SUPERPLASTICIZED CEMENT PASTES

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