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Strain evolution of brick masonry under cyclic compressive loading

Koltsida, Iris S.; Tomor, Adrienn K.; Booth, Colin A.

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Iris S. Koltsida

Adrienn Tomor
Senior Lecturer in Civil Engineering

Colin Booth
AHOD in Research/ Associate Professor


Long-term fatigue tests in compression were performed on low-strength brick masonry prisms under laboratory conditions at different maximum stress levels. The maximum and minimum total longitudinal deformations with the loading cycles were recorded. The experimental results revealed that fatigue life is divided into three distinct stages. The recordings were further analysed to develop an analytical expression for the prediction of the development of strain during the fatigue life of masonry. A set of three mathematical equations were proposed to predict the three characteristic stages of fatigue. The developed expressions, related the normalised total longitudinal strain with the normalised maximum applied stress. The proposed model provides good agreement with the mean available data at any maximum stress level and could be used to to evaluate the remaining service life, plan maintenance works minimising life-cycle costs and prevent premature failures Continuity of the curves at the intersection points in terms of slope and numerical values ensures accuracy of the method and results to a differentiable function.


Tomor, A. K., Koltsida, I., & Booth, C. A. (2019). Strain evolution of brick masonry under cyclic compressive loading. Materials and Structures, 52(4),

Journal Article Type Article
Acceptance Date Jun 28, 2019
Online Publication Date Jul 6, 2019
Publication Date Aug 1, 2019
Deposit Date Aug 20, 2020
Publicly Available Date Aug 20, 2020
Journal Materials and Structures/Materiaux et Constructions
Print ISSN 1359-5997
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 52
Issue 4
Article Number 76
Keywords Brick masonry, Fatigue, Strain evolution, Experimental
Public URL
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