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Microcracking in concrete under repeated compressive loads

Raju, NK (1970) Microcracking in concrete under repeated compressive loads. In: Building Science, 5 (1). pp. 51-56.

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Official URL: http://dx.doi.org/10.1016/0007-3628(70)90016-2


The nature of microcracks formed in concrete under repeated uniaxial compressive loads are investigated by experiments on prismatic specimens. The distribution and orientation of cracks formed are studied by optical microscopic techniques. The basic failure mechanism of concrete at the phenomenological and internal structural level are examined by the formation and propagation of cracks. The tests have indicated that local tensile failures constitute the dominant mode of fracture, with the bond cracks forming the major percentage of the total magnitude of cracks. Significant differences were observed in the proportion of bond cracks formed under static and repeated load systems.

Item Type: Journal Article
Publication: Building Science
Publisher: Elsevier
Additional Information: Copyright of this article belongs to Elsevier.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 28 May 2010 10:15
Last Modified: 19 Sep 2010 06:07
URI: http://eprints.iisc.ac.in/id/eprint/28146

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