Research Article
Aug 1981
Proposed Failure Criteria for Concrete Block Masonry under Biaxial Stresses
Authors: Ahmad A. Hamid and Robert G. DrysdaleAuthor Affiliations
Publication: Journal of the Structural Division
Volume 107, Issue 8
Abstract
The available failure hypotheses for masonry under combined stresses are reviewed. The applicability of the failure theories for composite materials to masonry is examined utilizing experimental results of concrete block masonry test. Failure theories for isotropic materials are not applicable to masonry. Also, failure theories for composite materials cannot be directly applied to predict the masonry strength under biaxial stresses. Failure criteria are proposed for masonry under biaxial stresses, taking into consideration its anisotropic nature as a composite material. Two failure criteria are proposed, with each describing a single mode of failure—a shear failure along one of the criterical bed or head joint direction, and a tension failure incorporating the interaction of the block, mortar and grout. The proposed criteria are capable of predicting both the mode of failure and the strength of concrete block masonry under biaxial stresses.
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Published In
Journal of the Structural Division
Volume 107 • Issue 8 • August 1981
Pages: 1675 - 1687
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Aug 1981
Published online: Feb 1, 2021
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Authors
Affiliations
Ahmad A. Hamid
Asst. Prof., School of Civ. Engrg. and Enviromental Sci., Univ. of Oklahoma, Norman, Okla
Robert G. Drysdale
Prof., Dept. of Civ. Engrg. and Engrg. Mechanics, McMaster Univ., 1280 Main Street West, Hamilton, Ontario, Canada L8S 417
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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.