Research Article
Jun 1982
Slow Crack Growth in Cement Composites
Publication: Journal of the Structural Division
Volume 108, Issue 6
Abstract
The resistance to crack growth in mortar, concrete and fiber reinforced concrete was studied by testing double torsion and double cantilever speciments. R-curves (plots of strain energy release rate vs. crack extension) were obtained from the test data. To include the inelastic strain energy absorbed during the crack extension, the definition of the strain energy release rate was modified. It was found that R-curves for mortar and concrete were similar for both double torsion and double cantilever speciments. R-curves were sensitive to the volume and size of aggregates and to the presence of fibers. It appears that R-curves can be a useful specimen-geometry-independent parameter for chracterizing the fracture behavior of cementitious composites. However, the effects of differing crack-opening displacement on the strain energy release rate must be considered; especially for fiber reinforced concrete.
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Information
Published In
Journal of the Structural Division
Volume 108 • Issue 6 • June 1982
Pages: 1400 - 1413
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Jun 1982
Published online: Feb 1, 2021
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Authors
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Methi Wecharatana
Research Asst., Dept. of Materials Engrg., Univ. of Illinois at Chicago Circle, Chicago, Ill.
Surendra P. Shah, M.ASCE
Prof. of Civ. Engrg., Northwestern Univ., Evanston, Ill. 60201
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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.