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Filler and Water Reducer Effects on Sedimentation, Bleeding and Zeta-Potential of Cement Paste

Autor(en): (Post Doc. Researcher, Dept of Structural Eng. , NTNU , N-7491 Trondheim)
(Senior Principal Engineer, Norwegian Public Roads Administration (NPRA), N-0033 Oslo)
(Scientist, Building and Infrastructure, Sintef, N-7491 Trondheim)
(Associate Professor, Dept of Structural Eng ., NTNU , N-7491 Trondheim)
(Professor, Dept of Structural Eng ., NTNU , N-7491 Trondheim)
Medium: Fachartikel
Sprache(n): Englisch
Veröffentlicht in: Nordic Concrete Research, , n. 1, v. 58
Seite(n): 107-125
DOI: 10.2478/ncr-2018-0007
Abstrakt:

Bleeding and sedimentation quantify the stability of fresh cement paste, whereas the addition of fillers and water reducers affect the stability. The effect of various types of fillers and water reducers was investigated by measuring bleeding, hydrostatic pressure and electroacoustic zeta-potential. Depending on their characteristics and use, fillers can improve stability by reducing sedimentation rate and bleeding. The combined effects of fillers and water reducers on the sedimentation rates, quantified as time-dependent hydrostatic pressure changes (dp/dt) in fresh matrix, correspond to their effects on zeta-potentials. The influence of the water reducers on sedimentation and bleeding exceed that of filler type.

Structurae kann Ihnen derzeit diese Veröffentlichung nicht im Volltext zur Verfügung stellen. Der Volltext ist beim Verlag erhältlich über die DOI: 10.2478/ncr-2018-0007.
  • Über diese
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  • Reference-ID
    10705873
  • Veröffentlicht am:
    19.02.2023
  • Geändert am:
    19.02.2023
 
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