Use of Composites for Rehabilitation of Steel Structures—Determination of Bond Durability
Publication: Journal of Materials in Civil Engineering
Volume 7, Issue 4
Abstract
The need to develop new materials and techniques capable of rapidly and cost-effectively rehabilitating infrastructure components motivated this study. Corrosion is a major cause of deterioration in civil infrastructure, especially steel bridges, with consequences ranging from the progressive weakening of structural elements due to cracking and loss of section, to sudden collapse. The high strength-to-weight and stiffness-to-weight ratios of composites make them attractive for use in infrastructure rehabilitation. In addition, composites have advantages such as high chemical and corrosion resistance, fatigue resistance, design flexibility, and ability to be tailored to match specific design requirements in different directions simultaneously. However, the ultimate success of the strategy depends on the durability of the bond between the composite and the base steel. Durability of the bond and the composite-steel system is investigated through the wedge test. It is shown that S-glass-based composites show the maximum durability, and it is proposed that a hybrid glass-carbon composite system be used to optimize durability and performance attributes.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 7 • Issue 4 • November 1995
Pages: 239 - 245
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Nov 1, 1995
Published in print: Nov 1995
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