Fig. 2

The EZB-niche in the Mont Terri rock laboratory is not covered with shotcrete. Various measuring devices are installed. The upper picture indicates the location of the crackmeter and the jointmeter [taken from Möri et al. (2010)]. The lower picture is taken from Nussbaum et al. (2005) and indicates the bedding trace, as well as the location of pre-existing fractures in the wallrock of the niche