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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Flexural Behavior of Concrete Columns Retrofitted with Carbon Fiber-Reinforced Polymer Jackets
Author(s): Richard Sause, Kent A. Harries, Stephanie L. Walkup, Stephen Pessiki, and James M. Ricles
Publication: Structural Journal
Appears on pages(s): 708-716
Keywords: concrete; confinement; fibers; jackets; reinforced concrete; retrofit
Abstract:A significant deficiency in many existing nonductile reinforced concrete frames is the inability of the columns to undergo significant deformations while maintaining their load-carrying capacity. As a result, relatively brittle modes of column failure, accompanied by soft story structural failure mechanisms, are possible. Providing additional confinement to the columns allows them to behave in a more ductile manner. The study reported herein investigates the use of carbon fiber-reinforced polymer (CFRP) composite jackets as a method of retrofitting existing nonductile reinforced concrete building columns. A method of designing fiber-reinforced polymer composite jackets for columns to achieve the desired flexural behavior is presented and verified through a full-scale experimental study.
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