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About: Asperity (geotechnical engineering)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatPavementsyago:Artifact100021939yago:HorizontalSurface103536348yago:Object100002684yago:PavedSurface103900509yago:Pavement103900750yago:PhysicalEntity100001930yago:Surface104362025yago:Whole100003553 New Facet based on Instances of this Class

In geotechnical engineering and contact mechanics the term asperity is used to refer to individual features of unevenness (roughness) of the surface of a discontinuity, grain, or particle with heights in the range from approximately 0.1 mm to the order of metres. Below the asperity level, surface interactions are normally considered to be a material property, arising from mechanisms of adhesion and repulsion at the atomic scale (often accounted for by material friction, atomic friction or molecular friction).