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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: Design Guidance for Blast Resistant Reinforced Concrete and Masonry Components Retrofitted With FRP
Author(s): Charles J. Oswald, Khaled El-Domiaty, and Marlon Bazan
Publication: Special Publication
Appears on pages(s): 1-20
Keywords: Blast design, fiber reinforced polymers, masonry wall, reinforced concrete walls, retrofit design
Abstract:This paper describes a simplified methodology to design masonry and concrete walls retrofitted with fiber-reinforced polymer (FRP) products to resist blast load. The wall is analyzed as an equivalent single-degree-of-freedom (SDOF) system responding in flexure to a spatially uniform blast load. The methodology provides specific guidance on how to define all the relevant properties of the equivalent SDOF system based on flexural and shear properties of the retrofitted wall using equations similar to those for static properties of retrofitted walls in ACI 440.2R responding in flexure. The methodology also provides response limits that give correlations between the calculated maximum dynamic response and the corresponding blast damage level to the retrofitted wall. The response limits can be used to design a blast resistant wall for a given amount of acceptable damage.
This paper discusses the SDOF-based procedure, summarizes available blast test data on retrofitted walls, and shows comparisons between maximum deflections calculated with equivalent SDOF models of the test walls and measured values. Also, the development of the response limits is described with photographs of observed wall damage levels in shock tube tests.
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