Silo storage of building industry powders: consideration of the stress dependence of the bulk density

Research output: Chapter in Book/Report/Conference proceedingsConference contribution

Abstract

In this study, the stress dependence of the bulk density of various building industry powders like cements, tile cements, plaster, hydrated lime, etc. has been studied using a ring shear tester. The results of the measurements showed that the stress dependence of the bulk density for these powders can be approximated very well by a simple equation. The correlation coefficients were >0.993 for all 15 powders investigated. The constant in the approximation function, the bulk density at 1.0 kPa, correlates very well with the bulk density measured according to EN ISO 60. For the exponent c in the approximation function, a tendency is evident that for coarser dusts the value of c is lower and for fine dusts it is higher. However, this correlation is not very distinct.
Original languageEnglish
Title of host publicationBook of Abstracts 9th International Conference Conveying and Handling of Particulate Solids
Pages154-154
Publication statusPublished - 2018
Event9th International Conference Conveying and Handling of Particulate Solids - London, United Kingdom
Duration: 10 Sep 201814 Sep 2018

Conference

Conference9th International Conference Conveying and Handling of Particulate Solids
Country/TerritoryUnited Kingdom
CityLondon
Period10.09.201814.09.2018

Keywords

  • Janssens equation
  • bulk density
  • dust compressibility
  • building industry powders

Fingerprint

Dive into the research topics of 'Silo storage of building industry powders: consideration of the stress dependence of the bulk density'. Together they form a unique fingerprint.

Cite this