Experimental investigation of mode I fracture for brittle tube-shaped particles Marta Stasiak, Gaël Combe, Jacques Desrues, Vincent Richefeu, Pascal Villard, Gilles Armand and Jad Zghondi EPJ Web Conf., 140 (2017) 07015 Published online: 30 June 2017 DOI: 10.1051/epjconf/201714007015