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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: Tests for Precast Wall Panels
Author(s): Subcommittee V, ACI Committee 533
Publication: Journal Proceedings
Appears on pages(s): 369-382
Abstract:This report is submitted for discussion prior to preparing a recommended practice. Emphasis is placed on those specification and production control tests and procedures which have led to confusion among architects, engineers, prefabricators, and owners. Tests for compressive strength and for freeze-thaw durability are discussed. Standard 6 x 12-in. cylinders are recommended for compressive strength samples wherever such procedure is practical. Otherwise, 4-in. cubes are suggested, the test results of which should be reduced 20 percent as an estimate of cylinder strength. Due to the vertical orientation of most wall panels, specification of freeze-thaw testing is not recommended generally. The report recommends that wall panel concretes should be air entrained without specification of a fixed percentage of air content. A preliminary list of needed research is included.
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