Stress Evaluation for Segmental Concrete Box Girder Diaphragm Pei San Alice Lim, Wen Yi Choo, Chuan Fang Ong and See Hung Lau E3S Web Conf., 65 (2018) 08001 Published online: 26 November 2018 DOI: 10.1051/e3sconf/20186508001