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Asperity (geotechnical engineering) : ウィキペディア英語版 | Asperity (geotechnical engineering) In Geotechnical engineering the term asperity is mostly used for unevenness (''roughness'') of the surface of a discontinuity, grain, or particle with heights in the range from approximately 0.1 mm to many decimetre. Smaller unevenness is normally considered to be a ''material'' property (often denoted by ''material friction'' or ''basic material friction'').〔 ==Dilation==
An often used definition for ''asperities'' in geotechnical engineering:
Unevenness of a surface are ''asperities'' if these cause dilation if two blocks with in between a discontinuity with matching ''asperities'' on the two opposing surfaces (i.e. a ''fitting discontinuity'') move relative to each other, under low stress levels that do not cause breaking of the ''asperities''.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Asperity (geotechnical engineering)」の詳細全文を読む
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