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Structural and Multidisciplinary OptimizationVolume 47, Issue 2, February 2013, Pages 273-288

Optimization of the box section of the main girder of the bridge crane with the rail placed above the web plate(Article)

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  • aFaculty of Mechanical Engineering Kraljevo, University of Kragujevac, Kraljevo, Serbia
  • bFaculty of Mechanical Engineering Kragujevac, University of Kragujevac, Kragujevac, Serbia
  • cKneginje Milice 26/27, 37240 Trstenik, Serbia

Abstract

The paper considers the problem of optimization of the box section of the main girder of the bridge crane. Reduction of the girder mass is set as the objective function. The method of Lagrange multipliers was used as the methodology for approximate determination of optimum dependences of geometrical parameters of the box section. The criteria of permissible stresses and strains, lateral stability and dynamic stiffness were applied as the constraint functions. The obtained results of optimization of geometrical parameters were verified on numerical examples and the comparison with some solutions of cranes was made. The comparative analysis of the optimization results and the solutions was the basis for recommendations which are significant for designers during construction of cranes. © 2012 Springer-Verlag.

Author keywords

Box sectionBridge craneLateral stabilityOptimizationStress

Indexed keywords

Engineering controlled terms:Box girder bridgesBridge cranesElasticityGeometryLagrange multipliersOptimizationStability criteriaStressesStructural design
Engineering uncontrolled termsBox sectionComparative analysisConstraint functionsDynamic stiffnessLateral stabilityObjective functionsWeb plates
Engineering main heading:Beams and girders

Funding details

Funding sponsor Funding number Acronym
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja35038,TR35038MPNTR

  • 1

    A part of this work is a contribution to the Ministry of Science and Technological Development of Serbia funded Project TR35038.

  • ISSN: 1615147X
  • CODEN: SMOTB
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1007/s00158-012-0813-5
  • Document Type: Article
  • Publisher: Springer Verlag

  Savković, M.M.; Faculty of Mechanical Engineering Kraljevo, University of Kragujevac, Serbia;
© Copyright 2021 Elsevier B.V., All rights reserved.

Cited by 6 documents

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Su, S. , Qin, Y. , Yang, K.
Structural optimization of unsymmetrical eccentric load steel box girder based on new swarm intelligence optimization algorithm
(2022) International Journal of Steel Structures
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