Structural Response of Curved RC Box-Girder Bridge

by Alexander C. Scordelis, (F.ASCE), Prof. of Civ. Engrg.; Univ. of California, Berkeley, Calif.,
Per K. Larsen, Assoc. Prof. of Civ. Engrg.; Norwegian Inst. of Tech., Trondheim, Norway,

Serial Information: Journal of the Structural Division, 1977, Vol. 103, Issue 8, Pg. 1507-1524

Document Type: Journal Paper


Results obtained in a study of a large-scale curved two-span four-cell reinforced concrete box-girder bridge model are presented. The model, which was a 1:2.82 scale replica of a prototype, had overall dimensions of 72 ft (21 m) long by 12 ft (3.7 m) wide. The radius of curvature was 100 ft (30.5 m). Experimental and theoretical results are given for reactions, deflections, and moments due to working stress point loads applied before and after overload stress levels in the bridge. Comparisons are made with the results previously obtained for a similar straight box-girder bridge. Conclusions are presented on the adequacy of the theory in predicting the bridge response.

Subject Headings: Concrete bridges | Structural response | Curvature | Reinforced concrete | Box girders | Girder bridges | Span bridges | Structural models

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