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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 and distribution of 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: Concrete Q&A: Evaluation and strengthening of members in existing structures
Publication: Concrete International
Appears on pages(s): 71-72
Abstract:Q. I am the licensed design professional (LDP) for a team conducting a structural evaluation of a reinforced concrete building that was completed in the mid-1960s. We’ve determined that many elements in the floor structures do not comply with requirements in the ACI 318-14 Code.1 For example, shallow beams have stirrup spacing exceeding d/2, and deep beams do not satisfy ACI 318-14 requirements for horizontal and vertical reinforcement areas and spacing. To compound these issues, the floor live load is being increased due to a change in use. Are there any ACI Code provisions that address these issues?
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