Fig. 2From: 5-year chemico-physical evolution of concrete–claystone interfaces, Mont Terri rock laboratory (Switzerland)Sampling technique: first drilling campaign (a); second campaign (b); drilling of ESDRED sample from mock-up (c); drilled core samples from second campaign (lower images): OPC (d) and ESDRED (e, with abundant former gas pores). Greenish material is fibre glass reinforcementBack to article page