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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/14936

Title: Deterioration of concrete joints under low-intensity, high-cycle loading
Authors: Austin, Simon A.
Arnold, Stuart J.
Fleming, Paul R.
Robins, Peter J.
Issue Date: 2009
Publisher: © Thomas Telford Ltd
Citation: AUSTIN, S. ... et al., 2009. Deterioration of concrete joints under low-intensity, high-cycle loading. Magazine of Concrete Research, 61 (9), pp. 679 - 690.
Abstract: This paper reports on the results from a series of laboratory tests assessing the rate of deterioration for concrete cracks and joints under low-intensity, high-cycle loading, typical of that found in industrial flooring, external hardstandings and rigid pavements. The testing incorporated a variety of crack geometries, reinforcement types, reinforcement quantities and load magnitudes for over 80 half-scale prism specimens. The data presented demonstrates that joint/crack failure contains four distinct phases of deterioration, each controlled by a different mechanism of material degradation. ‘V'-shaped cracks were found to produce a higher load transfer than the equivalent surface width parallel crack, with the incorporation of A142 fabric and steel fibres significantly reducing differential displacement and crack face deterioration. The data has enabled serviceability limits to be established for each of the material parameters tested, keeping differential displacement within acceptable levels and preventing the onset of failure.
Description: Closed access. This article was published in the journal, Magazine of Concrete Research [© Thomas Telford (ICE Publishing].
Version: Published
DOI: 10.1680/macr.2008.61.9.679
URI: https://dspace.lboro.ac.uk/2134/14936
Publisher Link: http://dx.doi.org/10.1680/macr.2008.61.9.679
ISSN: 0024-9831
Appears in Collections:Closed Access (Architecture, Building and Civil Engineering)

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