Transverse Stiffener Requirements for Curved Webs

by Nicholas Mariani, Struct. Engr.; Chas. T. Main, Inc., Boston, MA,
John D. Mozer, (A.M.ASCE), Asst. 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,
Charles G. Culver, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Carnegie-Mellon Univ., Pittsburgh, PA,


Serial Information: Journal of the Structural Division, 1973, Vol. 99, Issue 4, Pg. 757-771


Document Type: Journal Paper

Abstract: The buckling strength of cylindrical web panels of horizontally curved girders subject to shear stress is studied analytically. A simplified mathematical model that treats the web as a simply supported curved panel reinforced by transverse stiffeners is used. The solution for this model is obtained by the Galerkin method in conjunction with the Donnell thin shell equation. Recommendations for the design requirements for an optimal transverse stiffener rigidity in terms of panel aspect ratio and curvature are established.

Subject Headings: Curvature | Webs (structure) | Stiffening | Shear strength | Panels (structural) | Shear stress | Stress analysis | Mathematical models

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