Plastic Collapse of Horizontally Curved Bridge Girders

by Chai Hong Yoo, Struct. Engr.; McGaughy, Marshall & McMillan, Norfolk, VA; formerly, Grad, Res. Asst., Dept. of Civ. Engrg., Univ. of Maryland, College Park, MD,
Conrad P. Heins, Assoc. Prof.; Dept. of Civ. Engrg., Univ. of Maryland, College Park, MD,


Serial Information: Journal of the Structural Division, 1972, Vol. 98, Issue 4, Pg. 899-914


Document Type: Journal Paper

Abstract:

The ultimate load of single span and multispan horizontally curved girders is predicted by a superpositioning method. The yield criteria is in accordance with (M/Mp)² + (T/Tp)² = 1, which is valid for composite beam sections. Design aids are presented which permit the determination of the ultimate load as referenced to the behavior of straight girders.



Subject Headings: Girder bridges | Ultimate loads | Curvature | Composite beams | Bridge design | Girders | Load and resistance factor design

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