Design of I Beams and Deck Profiles under Concentrated Loading
Publication: Journal of Structural Engineering
Volume 130, Issue 3
Abstract
This paper presents the results of an investigation into the behavior of I beams and deck profiles under concentrated loading in the beam’s transverse direction. The primary objective of the investigation was to provide information relevant to the current development of Eurocode 9 for aluminum structures. The rules in Eurocode 3 for steel beams were taken as a starting point for the study. A large number of numerical simulations were carried out using validated LS-DYNA finite element models in order to assess the accuracy of the given design model. The finite element models were validated against previously obtained experimental data for beams of AA6082-T6 extrusions from an experimental program designed to minimize experimental uncertainties. Modeling aspects for both geometry and material are discussed. The present study provides data for the effect of variations in yield stress, strain hardening, profile depth, web thickness, flange width, and thickness, as well as loading area, beam length, and beam overhang. The paper concludes with suggestions for improvement in the design models.
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References
Box, G. E. P., Hunter, W. G., and Hunter, J. S. (1978). Statistics for experimenters, Wiley, New York, 653 pp.
BS 8118. (1991). “Structural use of aluminium. Part 1. Code of practice for design.” Proc., Civil Engineering and Building Structures Standards Policy Committee, ISBN 0-580-19209-1.
Crisfield, M. A. (1991). Nonlinear finite element analysis of solids and structures, Wiley, New York.
Elgaaly, M.(1983). “Web design under compressive edge loads.” Eng. J., 20, 153–171.
Eurocode 3. (1992). “Eurocode 3: Design of steel structures—Part 1.1: General rules and rules for buildings.” ENV 1993-1-1, BSI, ISBN 0-580-21226-2.
Eurocode 3. (1997). “Eurocode 3: Design of steel structures—Part 1.5: General rules—Supplementary rules for planar plated structures without transverse loading.” ENV 1993-1-5, CEN, European Committee for Standardization.
Eurocode 9. (1997). “Eurocode 9: Design of aluminum structures—Part 1.1. General rules and rules for buildings.” prENV 1999-1-1, CEN, European Committee for Standardisation.
Lademo, O. G., Hopperstad, O. S., and Langseth, M.(1999). “An evaluation of yield criteria and flow rules for aluminum alloys.” Int. J. Plast., 15(2), 191–208.
Lagerqvist, O. (1995). “Patch loading—Resistance of steel girders subjected to concentrated forces.” PhD thesis, Division of Steel Structures, Luleå Univ. of Technol.
LS-DYNA. (1998). LS-DYNA—Theoretical manual, J. O. Hallquist, ed., Livermore Software Technology Corporation.
Roberts, T. M. (1983). “Patch loading on plate girders.” Plated structures—Stability and strength, R. Narayanan, ed., Applied Science, 3, 77–102.
“Specifications for aluminum structures allowable stress design. (1994).” The Aluminum Association, Inc., Washington, D.C.
Tryland, T., Clausen, A. H., and Remseth, S.(2001b). “Effect of material and geometry variations on beam under patch loading.” J. Struct. Eng., 127(8), 930–939.
Tryland, T., Hopperstad, O. S., and Langseth, M.(2000). “Design of experiments to identify material properties.” Mater. Des., 21, 477–492.
Tryland, T., Hopperstad, O. S., and Langseth, M.(2001a). “Finite element modeling of beams under concentrated loading.” J. Struct. Eng., 127(2), 176–185.
Tryland, T., Langseth, M., and Hopperstad, O. S.(1999). “Nonperfect aluminum beams subjected to concentrated loading.” J. Struct. Eng., 125(8), 900–909.
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Copyright © 2004 American Society of Civil Engineers.
History
Received: Sep 24, 2001
Accepted: Apr 9, 2003
Published online: Feb 19, 2004
Published in print: Mar 2004
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