Time dependency behavior of granular materials

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Sammanfattning

Theory of elasticity is the most used assumption in pavement design. Highway materials are neither elastic nor homogenous. Therefore there is a need for models which are based on more realistic assumptions. UGM shows time dependency in nature. This is reflected in a viscous response close to the surface and an elastic response deeper down the construction. Time dependencies of soils are relatively studied phenomena and well known to researchers but not fully regarded as a problem in civil engineering. A limited number of models are suggested to describe time related deformation of soils and unbound granular materials in particular. In this study a large box, 800*800 mm is used where the confining pressure will increase with depth from the surface as in real constructions. The behavior of some granular materials subjected to dynamic loadings is studied. The results indicate that the time of loading affects the permanent deformation.
Originalspråkengelska
Titel på värdpublikationAdvanced Characterisation of Pavement and Soil Engineering Materials
FörlagTaylor & Francis
Sidor619-627
ISBN (tryckt)978-0-415-44882-6
StatusPublished - 2007
EvenemangInternational Conference on Advanced Characterisation of Pavement and Soil Engineering Materials - Athens, Grekland
Varaktighet: 2007 juni 202007 juni 22

Konferens

KonferensInternational Conference on Advanced Characterisation of Pavement and Soil Engineering Materials
Land/TerritoriumGrekland
OrtAthens
Period2007/06/202007/06/22

Ämnesklassifikation (UKÄ)

  • Infrastrukturteknik

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