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A micro-structured continuum modelling compacting fluid-saturated grounds: the effects of pore-size scale parameter

Abstract : The effect of a "pore-size" length-scale parameter l on compaction of grounds with fluid inclusions is studied. They are modelled as continua endowed with micro-structure by means of the macro-modelling procedure proposed in [2]. We show the dependence of field evolution equations on the micro-structure parameter l and compare our model with the homogenized asymptotic ones. The consideration of the pore size l allows us to forecast the onset of micro-displacement waves as a consequence of a ground settling and to suggest a possible description of the genesis of certain microearthquakes [5] [6].
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Contributor : Francesco Dell'Isola <>
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Francesco Dell'Isola, Luigi Rosa, C. Wozniak. A micro-structured continuum modelling compacting fluid-saturated grounds: the effects of pore-size scale parameter. Acta Mechanica, Springer Verlag, 1998, pp.18. ⟨hal-00497282⟩

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