Fig. 6From: Geomechanical behaviour of Opalinus Clay at multiple scales: results from Mont Terri rock laboratory (Switzerland)Adapted from Wild et al. (2015a), San Francisco, CA, USA, 28 June to 1 July 2015, copyright 2015 ARMA, adapted with permission of American Rock Mechanics AssociationRelationship between B value and effective confinement (σ 3 ′).Back to article page