Isotropic compression of cohesive-frictional particles with rolling resistance

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Abstract

Cohesive-frictional and rough powders are the subject of this study. The behavior under isotropic compression is examined for different material properties involving Coulomb friction, rolling-resistance and contact-adhesion. Under isotropic compression, the density continuously increases according to Bauers exponential law, see Ref. (Bauer 1999). However, at a certain pressure/density, the behavior qualitatively changes and the system enters a second branch – again acoording to Bauers law, but with different parameters. In conclusion, the material behavior changes between two states that are both, separately, described by a simple exponential function. The phenomenology and origin of the transition between the two states is discussed.
Original languageEnglish
Title of host publicationNumerical Methods in Geotechnical Engineering
EditorsThomas Benz, Steinar Nordal
Place of PublicationTrondheim, Norway
PublisherCRC Press/Balkema
Pages219-224
Number of pages6
ISBN (Print)978-0-415-59239-0
DOIs
Publication statusPublished - 2 Jun 2010
Event7th European Conference on Numerical Methods in Geotechnical Engineering, NUMGE 2010 - Trondheim, Norway
Duration: 2 Jun 20104 Jun 2010

Publication series

Name
PublisherCRC Press

Conference

Conference7th European Conference on Numerical Methods in Geotechnical Engineering, NUMGE 2010
Period2/06/104/06/10
OtherJune 2-4, 2010

Keywords

  • METIS-272297
  • IR-80367

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