Strain and pore pressure propagation in a water-saturated porous medium

Jos G.M. van der Grinten; Marinus E.H. van Dongen; Hans van der Kogel

doi:10.1063/1.339018

Strain and pore pressure propagation in a water-saturated porous medium

Jos G.M. van der Grinten, Marinus E.H. van Dongen, Hans van der Kogel

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

Wave propagation in a water-saturated porous column consisting of fixed sand particles is studied by means of a shock tube technique. Pore pressures and axial strains are recorded simultaneously. The measurements show a coincident compression of pore fluid and porous column during the passage of the first wave. Due to the second wave the pore fluid is compressed while the porous material expands. This observed behavior is in agreement with theoretical predictions. The introduction of a frequency-dependent permeability and an effective pore radius based on a cylindrical duct model yields an improved description of the damping of the second wave.

Original language	English
Pages (from-to)	4682-4687
Number of pages	6
Journal	Journal of Applied Physics
Volume	62
Issue number	12
DOIs	https://doi.org/10.1063/1.339018
Publication status	Published - 1 Dec 1987

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Strain and pore pressure propagation in a water-saturated porous medium

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