Analysis of Flange Transverse Bending of Corrugated Web I-Girders under In-Plane Loads

by Hassan H. Abbas, (A.M.ASCE), Asst. Prof.; Dept. of Civ. Engrg., Auburn Univ., Auburn, AL 36849,
Richard Sause, (M.ASCE), Joseph T. Stuart Prof. of Struct. Engrg., and Dir.; Advanced Technol. for Large Struct. Systems (ATLSS) Ctr., Dept. of Civ. and Envir. Engrg., Lehigh Univ., Bethlehem, PA 18015,
Robert G. Driver, (M.ASCE), Prof.; Dept. of Civ. and Envir. Engrg., Univ. of Alberta, Edmonton AB, Canada T6G 2W2,

Serial Information: Issue 3, Pg. 347-355

Document Type: Journal Paper

Abstract: This paper presents theoretical, experimental, and finite-element analysis results for the linear elastic behavior of corrugated web steel I-girders under in-plane loads. A typical corrugated web steel I-girder consists of two steel flanges welded to a corrugated steel web. Previous research has shown that a corrugated web I-girder under primary moment and shear cannot be analyzed using conventional beam theory alone, and a flange transverse bending analysis is required. A theoretical method, the fictitious load method, is presented herein as an analytical tool for quantifying flange transverse bending in corrugated web I-girders. To validate this method, four-point bending experimental results for a large-scale corrugated web I-girder are presented. The measured flange transverse displacements and flange stresses were in good agreement with the theoretical results especially in regions of constant shear. To gain additional insight, finite- element analysis results for the test girder are presented, and compared to both the experimental and theoretical results.

Subject Headings: Girders | Webs (structure) | Flanges | Bending (structural) | Load factors | Transverse loads | Steel | Linear analysis | Elastic analysis | Finite element method |

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