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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: Strengthening of R/C Members Subjected to Seismic Actions
Author(s): Franco Mola
Publication: Special Publication
Appears on pages(s): 207-230
Keywords: bending; ductility; earthquake-resistant structures; reinforced concrete; reinforcing steels; Structural Research
Abstract:Presents the theoretical analysis of load bearing capacity and ductility of reinforced concrete (RC) strengthened sections. The analysis is performed first, stating the equilibrium equations at the ultimate limit state for combined bending and axial load and for pure bending of reinforced concrete sections strengthened by adding new concrete parts incorporating additional steel reinforcement. A detailed discussion of the load bearing capacity and of the related ductility which can be reached by means of prescribed strengthening procedures is then performed, pointing out the basic prerequisites that have to be satisfied to obtain a good deformational behavior, together with a significant increase of the load bearing capacity. The results derived from a parametric study and from some numerical examples previously performed by the author allow application of the proposed procedure to practical cases, showing how it can be used as an efficient tool in solving the problems connected to everyday practice.
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