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Transport in Porous Media

, Volume 84, Issue 1, pp 1–19 | Cite as

Tortuosity Effects in Coupled Advective Transport and Mechanical Properties of Fractured Geomaterials

  • Eric LemarchandEmail author
  • Catherine A. Davy
  • Luc Dormieux
  • Frédéric Skoczylas
Article

Abstract

This article is concerned with tortuosity effects in coupled transport and mechanical properties of fractured geomaterials. Experimental results on confined fractured argillite samples are presented in terms of (1) progressive fracture reclosure and (2) fracture in plane permeability evolution, both depending upon confinement intensity. The observed non-linear mechanical response (fracture reclosure law) is physically interpreted as the progressive reclosure of local pores. The weak correlation between mechanical and hydraulic measurements is attributed to tortuosity effects which enhance the initial decrease of the permeability. The classical Self-Consistent scheme is herewith developed to qualitatively and quantitatively give theoretical basis likely to account for these tortuosity effects on permeability evolution.

Keywords

Tortuosity Micromechanics Hydraulic behaviour Fractured argillites Self-Consistent estimates 

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Eric Lemarchand
    • 1
    Email author
  • Catherine A. Davy
    • 2
  • Luc Dormieux
    • 3
  • Frédéric Skoczylas
    • 4
  1. 1.Université Paris Est, UR Navier, LMSGCChamps sur MarneFrance
  2. 2.LML CNRS UMR 8107Villeneuve d’Ascq CedexFrance
  3. 3.Université Paris Est, UR Navier, Ecole des PontsMarne la ValléeFrance
  4. 4.Ecole Centrale de Lille, LML CNRS UMR 8107Villeneuve d’Ascq CedexFrance

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