Web Slenderness Requirements for Curved Girders

by Charles G. Culver, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Carnegie-Mellon Univ., Pittsburgh, PA,
Clive L. Dym, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Carnegie-Mellon Univ., Pittsburgh, PA,
Tasnim Uddin, (A.M.ASCE), Grad. Student; Dept. of Civ. Engrg., Carnegie-Mellon Univ., Pittsburgh, PA,


Serial Information: Journal of the Structural Division, 1973, Vol. 99, Issue 3, Pg. 417-430


Document Type: Journal Paper

Abstract: The stress distribution in transversely, and/or longitudinally stiffened cylindrical web panels of horizontally curved girders subjected to an applied moment is studied analytically. Both the membrane state of stress in the plane of the web bending stresses resulting from the curvature of the panel are considered. A simplified model of the web as a series of arches is developed. An approximate solution for the model based on a Rayleigh-Ritz procedure is obtained. The influence of curvature and longitudinal stiffening on the resulting stresses in curved webs is presented. Design recommendations for web depth-to-thickness ratios are established.

Subject Headings: Webs (structure) | Curvature | Stress analysis | Stress distribution | Moment distribution | Stiffening | Girders | Panels (structural)

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