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Fig. 9 | Swiss Journal of Geosciences

Fig. 9

From: Geomechanical behaviour of Opalinus Clay at multiple scales: results from Mont Terri rock laboratory (Switzerland)

Fig. 9

Adapted from Kupferschmied et al. (2015), 108, Copyright 2015 Elsevier Ltd., with permission from Elsevier

Sketches obtained from the macroscopic analysis of the typical BDZ-structures around a circular opening drilled parallel to the bedding plane orientation (S0): a dominating tangential fractures developed in only one direction (more often observed), b tangential fractures extending in opposing directions (occasionally observed).

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