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Book Chapter

Quantitative characterization of fracture apertures using microfocus computed tomography

By
K. Vandersteen
K. Vandersteen
Laboratory of Building Physics, Department of Building Engineering, Catholic University of Leuven, Kasteelpark Arenterg 51, B-3001 Heverlee, Belgium (e-mail: jan.carmeliet@bwk.kuleuven.ac.be)
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B. Busselen
B. Busselen
Laboratory of Building Physics, Department of Building Engineering, Catholic University of Leuven, Kasteelpark Arenterg 51, B-3001 Heverlee, Belgium (e-mail: jan.carmeliet@bwk.kuleuven.ac.be)
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K. Van Den Abeele
K. Van Den Abeele
Faculty of Sciences, Catholic University of Leuven at Kortrijk, Sabbelaan 53, B-8500 Kortrijk, Belgium
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J. Carmeliet
J. Carmeliet
Laboratory of Building Physics, Department of Building Engineering, Catholic University of Leuven, Kasteelpark Arenterg 51, B-3001 Heverlee, Belgium (e-mail: jan.carmeliet@bwk.kuleuven.ac.be)
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Published:
January 01, 2003

Abstract

Microfocus X-ray computed tomography (μCT) was used as a tool to determine the apertures of a fracture in a cylindrical sample of crinoidal limestone. After scanning, artefacts were removed from the images. Phantom objects were used to establish a calibration relationship between real fracture apertures and fracture aperture measurements on the μCT images. The performance of different procedures for quantitative fracture determination was examined. The calibration relationship was then used to determine the fracture apertures in a naturally fractured sample. A comparison of the μCT technique and a microscope technique shows a good agreement between their results.

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Contents

Geological Society, London, Special Publications

Applications of X-ray Computed Tomography in the Geosciences

F. Mees
F. Mees
Ghent University, Belgium
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R. Swennen
R. Swennen
Physico-chemical Geology, K. U. Leuven, Belgium
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M. Van Geet
M. Van Geet
SCK-CEN, Belgium
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P. Jacobs
P. Jacobs
Ghent University, Belgium
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Geological Society of London
Volume
215
ISBN electronic:
9781862394636
Publication date:
January 01, 2003

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