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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: Nondestructive Evaluation (NDE) of Structural Concrete With Stress Waves
Author(s): Larry D. Olson
Publication: Special Publication
Appears on pages(s): 805-818
Keywords: bridges (structures); concrete construction; concrete dams; cracking (fracturing); nondestructive tests; quality assurance; stress waves; ultrasonic pulse velocity tests; General
Abstract:Case histories are presented to illustrate applications of nondestructive evaluation (NDE) methods that use stress waves to characterize the conditions of concrete construction. The case histories discuss the following NDE methods and applications: (1) impact echo to evaluate cracking in a 1923 thin-arch concrete dam on the downstream face; (2) ultrasonic pulse velocity to define the severity of cracking damage in precast bridge segments and for quality assurance of epoxy injection repairs; and (3) ultrasonic crosshole sonic logging with PC-based instrumentation for quality assurance of the integrity of concrete placement in drilled shaft and slurry wall foundations. Comparisons of NDE results defined the extent and nature of sound and defective concrete conditions.
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