Research Article
Jun 1972
Expected Fatigue Damage of Seismic Structures
Authors: Jhy-Pyng Tang and James T.P. Yao, M.ASCEAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 98, Issue 3
Abstract
Whenever a structure is subjected to strong-motion earthquake excitation, certain parts of the structure may undergo plastic deformations which are indications of structural damage. It has also been known that the damage due to repeated applications of plastic deformation is cumulative and could cause low-cycle fatigue failures. Nevertheless, fatigue problem is not being considered in the present design codes in earthquake engineering. Because of the low number of repeated plastic deformations involved, as well as the rare occurrences of strong earthquakes, attention is given to only low-cycle fatigue in this study. The linear cumulative damage criterion is used along with the counting process derived by Middleton. A method of computing the statistics of the cumulative low-cycle-fatigue damage of structures to earthquake excitation is presented herein. As examples, the expected cumulative damage of a structural member to three types of earthquake excitation is computed numerically at various magnitudes.
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Published In
Journal of the Engineering Mechanics Division
Volume 98 • Issue 3 • June 1972
Pages: 695 - 709
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Jun 1972
Published online: Feb 3, 2021
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Affiliations
Jhy-Pyng Tang
Visiting Asst. Prof. of Civ. Engrg., Purdue Univ., Lafayette, Ind.
James T.P. Yao, M.ASCE
Prof. of Civ. Engrg., Purdue Univ., Lafayette, Ind.
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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.