Page 1 STRUCTURAL APPRAISAL OF A ROMAN CONCRETE VAULTED MONUMENT: THE BASILICA OF MAXENTIUS A. Albuerne 1 and M.S. Williams 2 1 Dr Alejandra Albuerne Arup Advanced Technology and Research 13 Fitzroy Street London W1T 4BQ UK Tel: +44 20 7755 4446 [email protected] 2 Prof. Martin S. Williams (corresponding author) University of Oxford Department of Engineering Science Parks Road Oxford OX1 3PJ UK Tel: +44 1865 273102 [email protected] RUNNING HEAD: Basilica of Maxentius