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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Anchorage Length of Near-Surface Mounted Fiber-Reinforced Polymer Bars for Concrete Strengthening—Experimental Investigation and Numerical Modeling
Author(s): Laura De Lorenzis, Karin Lundgren, and Andrea Rizzo
Publication: Structural Journal
Appears on pages(s): 269-278
Keywords: anchorage; bar; fiber-reinforced polymer
Abstract:Near-surface mounted (NSM) fiber-reinforced polymer (FRP) bars are being increasingly recognized as a valid alternative to externally bonded FRP laminates for enhancing flexural and shear strength of deficient concrete, masonry, and timber members. The ultimate capacity and service performance of strengthened members are deeply influenced by the bond characteristics of the strengthening system on which, in the case of NSM bars, limited data is available to date. This paper follows up to previous investigations on the mechanics of bond of NSM bars to concrete. Experimental results completing a previous test series are reported and discussed, and a global evaluation of results of three different test series is attempted. A three-dimensional finite element model for bond of NSM reinforcement is proposed and calibrated on the basis of some experimental results.
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