Evolution of swelling pressure of cohesive-frictional, rough and elasto-plastic granulates


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Luding, Stefan and Bauer, Erich (2011) Evolution of swelling pressure of cohesive-frictional, rough and elasto-plastic granulates. In: International Symposium on Geomechanics and Geotechnics: From Micro to Macro, IS-Shanghai 2010, 10-12 October 2010, Shanghai, China (pp. pp. 495-499).

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Abstract:The subject of this study is the modeling of the evolution of the swell-ing pressure of granulates with cohesive-frictional, rough and elasto-plastic “mi-croscopic” contact properties. The spherical particles are randomly arranged in a periodic cubic space with a fixed volume so that an increase of the particle size – i.e. swelling that can be caused by intake of some fluid – is accompanied by a de-crease of the void space. An analytical function is proposed that properly de-scribes the (macroscopic) void ratio as function of pressure for different micro-scopic contact properties.
Item Type:Conference or Workshop Item
Copyright:© 2011 CRC Press/Balkema
Faculty:
Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/80386
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