Titlebook: Rheology and Processing of Construction Materials; RheoCon2 & SCC9 Viktor Mechtcherine,Kamal Khayat,Egor Secrieru Conference proceedings 20

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Urea508

Structural Build-Up of Cementitious Paste Under External Magnetic Fieldste. However, the application of external magnetic fields with low flux density has little effects on the viscoelastic behaviour of cementitious paste. Under high magnetic field strengths, the viscous-liquid behaviour dominates the elastic-solid behaviour at early stage, while the solid-like behaviou

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Effect of Sodium Sulphate on Rheological Behaviour of Alkali Activated Slag Bindersarious parameters on the workability of mixtures. The objective of this study is to evaluate the effect of sulphate content on the rheological behavior of alkali-activated slag binders and it was found to have a significant effect on the evolution of yield stress and apparent viscosity.

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Coeval

Influence of Different Accelerators on the Rheology and Early Hydration of Cement Pasted PCE are presented. Methods like rheometry, needle penetration tests and practical tests like spread flow were applied. The used accelerators showed accelerating behavior on the cement pastes without and in the presence of PCE. At the same time an influence on the rheology could be observed. This e

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Interaction of Superplasticizers with Cement from the Point of View of Colloid Chemistryn be attributed to attractive van der Waals forces between cationic and anionic surface areas. To overcome those forces, superplasticizers are added which disperse cement by imparting an electrostatic (polycondensates) or steric (polycarboxylates) effect. Superplasticizers can interact with cement v