Prioul, R.Chuprakov, D.Karpfinger, F.Lecampion, Brice2015-09-222015-09-222015-09-222011https://infoscience.epfl.ch/handle/20.500.14299/118267Hydraulic fracture initiation in boreholes with pre-existing notches: preliminary static analysis of stress and stress-intensity factor controls on longitudinal and transverse fracture initiationtext::report