TECHNICAL PAPERS
Jul 1, 1984
Accidental Loads in Crane Girders: A Case Study
Publication: Journal of Structural Engineering
Volume 110, Issue 7
Abstract
In crane design an accidental action that should be considered is the failure of one of the hanging mechanisms during transport operations of large masses. In this paper, the case of a crane transporting a large mass suspended by two sets of cables is considered. The dynamic behavior and the forces induced in the crane, due to the failure of one of the hanging mechanisms, are studied using two 3 degrees of freedom mathematical models. The highly nonlinear differential equations of motion are derived and integrated by Runge‐Kutta algorithm. The influence of the stiffness of the cables, the initial configuration of the system, the value of the hanging force corresponding to the cable release, and the stiffness of the braking system of the trolley are analyzed.
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References
1.
“European Recommendations for Steel Structures,” European Convention for Constructional Steelwork, Mar., 1981.
2.
Gill, S., “A Process for the Step‐by‐Step Integration of Ordinary Differential Equations in an Automatic Digital Computing Machine,” Proceedings Cambridge Philosophical Society, Vol. 47, 1951.
3.
Ralston, A., and Wilf, H. S., Mathematical Methods for Digital Computer, John Wiley and Sons, Inc., New York, N.Y., 1960.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 110 • Issue 7 • July 1984
Pages: 1679 - 1686
Copyright
Copyright © 1984 ASCE.
History
Published online: Jul 1, 1984
Published in print: Jul 1984
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Authors
Affiliations
António J. Reis
Assoc. Prof. of Civ. Engrg., I.S.T., Tech. Univ. of Lisbon, Portugal
Carlos S. Oliveira
Research Assoc., Laboratório Nacional de Engenharia Civil, Lisbon, Portugal
João R. T. Azevedo
Research Asst., I.S.T., Tech. Univ. of Lisbon, Portugal
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.