12.05.2023 | Technical Note
On the Measurement of B for a Sandstone
Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 8/2023
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Highlights
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Laboratory experiments were designed to measure Skempton coefficient B for Dunnville sandstone using small and large specimens.
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The pore volume Vp of the small specimen was on the same order as the system volume Vl, while Vp of the large specimen was 100 times Vl.
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The large specimen provided a direct measurement of B.
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For Dunnville sandstone, Skempton coefficient B calculated with the appropriate poroelastic model and material parameters agrees with the measured B.