Investigation of Spalling Damage in Ultra-High Performance Concrete Through X-ray Computed Tomography Maria Celeste Blasone, Dominique Saletti, Edward Andò, Julien Baroth and Pascal Forquin EPJ Web Conf., 183 (2018) 03024 Published online: 07 September 2018 DOI: 10.1051/epjconf/201818303024