TECHNICAL NOTES
Jun 1, 1985
Moment Determination for Moving Load Systems
Publication: Journal of Structural Engineering
Volume 111, Issue 6
Abstract
An accurate method is described for the determination of the curves of maximum moments for beams loaded with moving loads. This method avoids errors in the range of 15 percent produced by the commonly used approximation techniques. It applies to simple beams and to beams overhanging their supports. The basic idea of the method is to replace each of the moving load systems by a virtual system of stationary loads. The moments and the reactions produced by this virtual system are equal to the maximum moments and to the maximum reactions respectively produced by the actual moving system of loads. Examples of the application of the theory are given for some simple loading conditions.
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References
1.
Gaylord, E. J., Jr., and Gaylord, C. M., Structural Engineering Handbook, McGraw Hill Book Company, New York, N.Y., 1968, p. 18–3.
2.
Manual of Bridge Design Practice, 2nd Ed., State of California, Highway Transportation Agency, 1963, pp. 3–10 and 3–11.
3.
Timoshenco, S., and MacCullough, G. H., Elements of Strength of Materials, 3rd Ed., D. Van Nostrand Company, Inc., New York, N.Y., 1949, pp. 105–106.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 111 • Issue 6 • June 1985
Pages: 1401 - 1406
Copyright
Copyright © 1985 ASCE.
History
Published online: Jun 1, 1985
Published in print: Jun 1985
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Authors
Affiliations
Marius B. Wechsler, M. ASCE
Sr. Engr., Bechtel Power Corp., Norwalk, Calif. 90650
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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.