Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 20, Issue 3, Pages 158-168Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2005.01.016
Keywords
composite; concrete; glue; finite elements; sewerage systems; theory of cracking; rate of energy restitution; repair; strengthening
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Sewerage systems undergo a wide variety of structural damage. It is estimated that 10% of French sewer length is in need of renovation. This paper is concerned with restructuring by carbon-fibre plates. The finite-element method is necessary to obtain the failure mechanism and thus locate the areas in need of strengthening. Experimental tests were conducted to characterise the materials (concrete, adhesive and carbon-fibre plates) and then obtain their constitutive laws. A control ovoid and a carbon plate-strengthened ovoid were compared. (C) 2005 Elsevier Ltd. All rights reserved.
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