micromechanical modeling of the compression of the damaged zone experiment in the callovo-oxfordian formation
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Abstract
A theoretical model of the Compression of the Damaged Zone experiment is proposed. The tools of micromechanics are used to represent the fractured zone. Assuming an elastic behavior of the sound COx claystone and a simplified geometry of the drift, an analytical solution is presented and the crack closure is determined as a function of distance from the drift wall for two loading cases: a prescribed 4 MPa pressure and a stress-free strain with 1 % average value to describe the swelling due to resaturation. The results are in agreement with experimental observations and give insights into the heterogeneous character of self-sealing in the damaged zone.
| Reference Key |
bluth2018advancesmicromechanical
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|---|---|
| Authors | ;J. Bluthé;J. Bluthé;B. Bary;E. Lemarchand |
| Journal | journal of the medical library association |
| Year | 2018 |
| DOI |
10.5194/adgeo-45-25-2018
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| URL | |
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