Corrosion Response of a Decommissioned Deteriorated Bridge Deck
Publication: Journal of Performance of Constructed Facilities
Volume 18, Issue 4
Abstract
This paper summarizes the results of field tests on the decommissioned Montreal Dickson Bridge, undertaken over a grid of 0.25 by on four randomly selected 5 by deck patches, and the associated laboratory tests as part of a detailed research program aimed at determining why the bridge deteriorated so rapidly. The basic cause of deterioration was determined to be the lack of quality control (concrete mix composition, placing, compaction, and curing) and the resulting higher permeability of the concrete cover and the associated chloride ion ingress. As a consequence, the resistivity of the concrete was low and reflected in a high steel bar mass loss due to corrosion at several locations on the bridge after a period of only 35 years.
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 18 • Issue 4 • November 2004
Pages: 185 - 194
Copyright
Copyright © 2004 ASCE.
History
Received: Feb 12, 2003
Accepted: Jun 24, 2003
Published online: Oct 15, 2004
Published in print: Nov 2004
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