Research Article
Oct 1978
Ambient Vibration Tests of Suspension Bridge
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 104, Issue 5
Abstract
Extensive experimental investigations were conducted on the Vincent-Thomas Suspension Bridge at Los Angeles Harbor to determine natural frequencies and mode shapes of vertical, torsional, and lateral vibrations of the structure. These ambient vibration tests involved the simultaneous measurements of both vertical and lateral vibrational motions caused by traffic. Measurements were made at selected points and different cross sections of the stiffening structure. Comparison with previously computed mode shapes and frequencies showed good agreement with the experimental results, thus, confirming both the accuracy of the experimental determination and the reliability of the method of computation.
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Published In
Journal of the Engineering Mechanics Division
Volume 104 • Issue 5 • October 1978
Pages: 983 - 999
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Oct 1978
Published online: Feb 3, 2021
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Ahmed M. Abdel-Ghaffar, AM.ASCE
Research Fellow, Civ. Engrg. Dept., California Inst. of Tech., Pasadena, Calif.
George W. Housner, M.ASCE
C. F. Braun Prof. of Engrg., Calif. Inst. of Tech., Pasadena, Calif.
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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.