An experimental and analytical study on fatigue damage in concrete under variable amplitude loading

Keerthana, K and Chandra Kishen, JM (2018) An experimental and analytical study on fatigue damage in concrete under variable amplitude loading. In: International Journal of Fatigue, 111 . pp. 278-288.

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Abstract

A fatigue model for plain concrete under variable amplitude loading is proposed by unifying the concepts of damage mechanics and fracture mechanics through an energy equivalence, in conjunction with the principles of dimensional analysis and self-similarity. The effects of stress ratio and overloads that accelerate the crack growth rate is included in the model, in order to capture the realistic behaviour under variable amplitude loading. Experiments are performed under variable amplitude fatigue loading in order to calibrate and verify the validity of the model. The model proposed in this work encapsulates the complex behaviour of concrete under fatigue and provides a more rational method for computing fatigue life of concrete structures.

Item Type:	Journal Article
Publication:	International Journal of Fatigue
Publisher:	Elsevier Ltd
Additional Information:	The copyright for this article belongs to the Elsevier Ltd.
Keywords:	Concretes; Fatigue of materials; Fracture; Fracture mechanics; Mechanics; Stress analysis; Structural loads, Damage mechanics; Dimensional analysis; Overload effects; Self-similarities; Variable amplitude load, Fatigue damage
Department/Centre:	Division of Mechanical Sciences > Civil Engineering
Date Deposited:	10 Aug 2022 11:41
Last Modified:	10 Aug 2022 11:41
URI:	https://eprints.iisc.ac.in/id/eprint/75531

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