The stability of bedded and jointed rock masses is threatened by progressive failure at the roof-wall junction, where a triangular relaxation zone (TRZ) forms due to excavation unloading. This study ...

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Due to inherent heterogeneity of geomaterials, rock mechanics involved with extensive lab experiments and empirical correlations that often lack enough accuracy needed for many engineering problems.

† Environmental Systems Analysis Group, Wageningen University & Research, Droevendaalsesteeg 3, 6708PB Wageningen, The Netherlands ‡ Sub-department of Environmental Technology, Wageningen University & ...