Prestress Loss and Bending Capacity of Pre-cracked 40 Year-Old PC Beams Exposed to Marine EnvironmentAmry Dasar, Rita Irmawaty, Hidenori Hamada, Yasutaka Sagawa and Daisuke YamamotoMATEC Web of Conferences, 47 (2016) 02008DOI: https://doi.org/10.1051/matecconf/20164702008