Rheological Experiments and Slump Tests of Kaolin Slurries

Chyan-Deng Jan, Ciao Kai Hsu, Chih Yuan Yang

Research output: Contribution to journalArticle

Abstract

This study performed rheological measurements and slump tests of sediment slurries to investigate the relationship between rheological parameters and the parameters measured using the slump test. Sediment slurries used in this study were mixtures of kaolin soil and tap water, with sediment concentrations between 25% and 35% by volume and Bingham fluid characteristics. The slurry's rheological behaviors and parameters (Bingham yield stress and viscosity) were measured using a Brookfield DV-III rheometer, and the slump parameters (slump height and spreading diameter) were obtained from slump tests by using a self-made mold. The results reveal that rheological and slump parameters are closely related to the sediment concentration of slurries. Higher concentrations resulted in greater Bingham yield stress and viscosity but smaller slump height and spreading diameter. The rheological parameters are closely related to the slump parameters, which implies that the parameters obtained from a slump test can be used to estimate the rheological parameters of a sediment slurry.

Original languageEnglish
Pages (from-to)110-116
Number of pages7
JournalJournal of Chinese Soil and Water Conservation
Volume49
Issue number2
DOIs
Publication statusPublished - 2018 Jun 1

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slurries
kaolin
Kaolin
Slurries
Sediments
sediments
experiment
Experiments
testing
Yield stress
viscosity
Viscosity
sediment
Rheometers
tap water
slurry
test
parameter
soil water
Soils

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Geotechnical Engineering and Engineering Geology
  • Soil Science
  • Earth-Surface Processes

Cite this

Jan, Chyan-Deng ; Hsu, Ciao Kai ; Yang, Chih Yuan. / Rheological Experiments and Slump Tests of Kaolin Slurries. In: Journal of Chinese Soil and Water Conservation. 2018 ; Vol. 49, No. 2. pp. 110-116.
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Rheological Experiments and Slump Tests of Kaolin Slurries. / Jan, Chyan-Deng; Hsu, Ciao Kai; Yang, Chih Yuan.

In: Journal of Chinese Soil and Water Conservation, Vol. 49, No. 2, 01.06.2018, p. 110-116.

Research output: Contribution to journalArticle

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AB - This study performed rheological measurements and slump tests of sediment slurries to investigate the relationship between rheological parameters and the parameters measured using the slump test. Sediment slurries used in this study were mixtures of kaolin soil and tap water, with sediment concentrations between 25% and 35% by volume and Bingham fluid characteristics. The slurry's rheological behaviors and parameters (Bingham yield stress and viscosity) were measured using a Brookfield DV-III rheometer, and the slump parameters (slump height and spreading diameter) were obtained from slump tests by using a self-made mold. The results reveal that rheological and slump parameters are closely related to the sediment concentration of slurries. Higher concentrations resulted in greater Bingham yield stress and viscosity but smaller slump height and spreading diameter. The rheological parameters are closely related to the slump parameters, which implies that the parameters obtained from a slump test can be used to estimate the rheological parameters of a sediment slurry.

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