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Calcined clays present a high water demand. Consequently, when used in mortars or concretes, calcined clays usually lead to a low workability. The origin of the increased water demand depends on the nature of the (calcined) clay. Hence, the aim of the present study is to determine the mineralogical and physical parameters of the calcined clays that affect the water demand. This paper presents some preliminary results on the characterization techniques implemented to characterize the mineralogy and physical parameters of calcined clays, and their rheological behavior when mixed with water.

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Characterization of Calcined Clays

  • 会议论文

  • 发表日期：

    2025年

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  • Lucie Hallier,
  • Youssef El Hafiane,
  • Agnès Smith,
  • David S. Smith,
  • Amith Kalathingal,
  • Rémi Barbarulo,
  • Christophe Levy

摘要

Calcined clays present a high water demand. Consequently, when used in mortars or concretes, calcined clays usually lead to a low workability. The origin of the increased water demand depends on the nature of the (calcined) clay. Hence, the aim of the present study is to determine the mineralogical and physical parameters of the calcined clays that affect the water demand. This paper presents some preliminary results on the characterization techniques implemented to characterize the mineralogy and physical parameters of calcined clays, and their rheological behavior when mixed with water.