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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: Guide Specification for HPC Bridge Elements
Author(s): P.C. Taylor and S.B. Bhide
Publication: Special Publication
Appears on pages(s): 933-942
Keywords: abrasion resistance; alkali-silica reactivity; cholride ionpenetration; compressive strength; concrete mixture design;consistancy; creep and shrinkage; freeze-thaw durability; guidespecification; high-performance concrete; modulus of elasticity
Abstract:The Federal Highway Administration (FHWA) encourages the use of high performance concrete (HPC) to improve the long-term performance of the nation’s infrastructure at lower life-cycle costs. For its purposes, the FHWA uses 11 performance criteria to define high performance concrete, and it designates three levels of performance for each criterion, with Grade 3 being the most stringent. For FHWA projects, the specifier is expected to select the criteria necessary for a given element, and then select an appropriate performance grade. It’s not necessary or desirable to specify the same performance grade for all characteristics. Guide Specification for High Performance Concrete for Bridge Elements provides mandatory language that the specifier can cut and paste into project specifications, as well as guidance on what characteristics should be specified in a given case, and what criterion is needed to ensure satisfactory performance. It includes commentary that tells how to obtain the desired performance for each characteristic. In cases where two performance criteria are in conflict, the commentary advices the user how to balance conflicting requirements.
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