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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: Seismic Rehabilitation of Lightly-Reinforced, Low-Rise Walls with SFRC Overlays
Author(s): Julian Carrillo, Sergio M. Alcocer, and Jose A. Pincheira
Publication: Special Publication
Appears on pages(s): 1-16
Keywords: reinforced concrete walls, low-rise housing, lightweight concrete, seismic performance, seismic rehabilitation, seismic strengthening, shake table tests, steel fiber-reinforced concrete, toughness, epoxy injection.
Abstract:Earthquake simulation tests were conducted to evaluate the performance of low-rise reinforced concrete walls repaired and strengthened with steel fiber-reinforced concrete (SFRC) overlays. The dynamic response of normal-weight and lightweight concrete walls was studied under three ground motions of varying intensity to induce increasing damage levels. The performance of the rehabilitation technique was evaluated in terms of lateral strength, drift capacity, failure mode, energy dissipation and residual cracking indices. Test results show that the addition of SFRC overlays on both sides of the existing walls fully restored the displacement capacity and increased the lateral strength of the original walls.
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