Chapter
Apr 4, 2017
Evaluation of the Flange Bending Capacity near Member Ends Using a Finite Element Analysis Approach
Authors: Souhail Elhouar, Ph.D. [email protected], Yasser Khodair, Ph.D. [email protected], and Alicia Kamischke [email protected]Author Affiliations
Publication: Structures Congress 2017
Abstract
The American Institute of Steel Construction (AISC) Manual provides equations for calculating the capacity of a W-shaped steel member to resist concentrated forces applied to its flange. In the case of flange local bending, the capacity equations were primarily formulated for an interior point along the member, which is defined to be at a distance larger than ten flange thicknesses away from the member’s end. When a concentrated load is applied within ten flange thicknesses from the member’s end, AISC requires a fifty percent reduction to be applied to the flange bending capacity. This reduction, however, is not supported by any research. In this study, finite element modeling is used to investigate the actual reduction in capacity near the end of such a steel member. The results indicate that the AISC equation for flange local bending is quite conservative for forces applied at less than ten flange thicknesses from the member’s end and a new equation is suggested for the evaluation of available flange local bending capacity within that distance.
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© 2017 American Society of Civil Engineers.
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Published online: Apr 4, 2017
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P.E.
Dept. of Civil Engineering and Construction, Bradley Univ., 1501 W. Bradley Ave., Peoria, IL 61625. E-mail: [email protected]
Dept. of Civil Engineering and Construction, Bradley Univ., 1501 W. Bradley Ave., Peoria, IL 61625. E-mail: [email protected]
P.E., S.E.
Hanson Professional Services, Inc., Peoria, IL 61614. E-mail: [email protected]
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