Research Article
May 1973
Cumulative Fatigue Damage in Seismic Structures
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 99, Issue 5
Abstract
The viability of cumulative fatigue damage as a design criterion for single degree-of-freedom steel seismic structures is investigated. Two ensembles of earthquake acceleration records are generated and used as excitation input in simulations involving structures having varied strength factors and periods of vibration. Strain and stress histories are obtained for the extreme fibers of critical sections of the structures. These are evaluated for cumulative fatigue damage by a model which incorporates the rain flow cycle counting method, a factor to account for the mean stress of each strain reversal and an empirical adjustment to the strain-fatigue life function to account for the sequence effect of the strain histories. Fatigue damage is found to be significant in structures having periods of vibration at the lower end of the medium period range of the design earthquake spectra. The damage may be estimated from a hysteretic energy parameter pertaining to the critical section of the frame.
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Published In
Journal of the Structural Division
Volume 99 • Issue 5 • May 1973
Pages: 923 - 943
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© 1973 American Society of Civil Engineers.
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Published in print: May 1973
Published online: Feb 1, 2021
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Mubadda T. Suidan, M.ASCE
Project Engr., Dar Al-Handasah (N. Taleb), Beirut, Lebanon; and Lect., American Univ. of Beirut, Beirut, Lebanon
Robert A. Eubanks, M.ASCE
Prof. of Civ. Engrg. and of Theoretical and Applied Mech., Univ. of Illinois, Urbanna-Champaign, Ill.
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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.