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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: Punching Shear Capacity of Double Layer FRP Grid Reinforced Slabs
Author(s): D.A. Jacobson, L.C. Bank, M.G. Oliva, and J.S. Russell
Publication: Special Publication
Appears on pages(s): 857-876
Keywords: analysis; experiments; FRP; grids; modeling; pultrusion;punching shear; slabs
Abstract:The punching shear capacity of concrete slabs reinforced with three-dimensional fiber-reinforced polymer (FRP) double-layer reinforcement cagescomposed of glass fiber-reinforced pultruded grating elements has been investigatedusing full-scale experimental tests and a number of different analytical models. Testspecimens were full-scale prototype bridge deck slabs with varying end restraint andsupport conditions, differing dimensions, and two different FRP bar fiber lay-ups. Thetests results were compared with the punching shear models in ACI 318, ACI 440,Eurocode 2, BS 8110, CEB-FIB MC90, JSCE, and a number of models proposed in theliterature specifically for FRP reinforced slabs. Based on this investigation a newempirical model has been developed to predict the punching shear capacity of doublelayer grids having either restrained or simply supported edges and including anoverlapping splice. The model is shown to give reasonably good predictions for bothsimply supported and restrained slabs.
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