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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: Diagnostics of Cracks in Concrete Based on Acoustic Emission
Author(s): M. Ohtsu
Publication: Special Publication
Appears on pages(s): 63-82
Keywords: acoustic emission; concretes; cracking (fracturing); nondestructive tests; spectroscopy; stresses; ultrasonic tests; Structural Research
Abstract:On the basis of the acoustic emission (AE) measuring technique, a diagnostic method for nondestructive evaluation of cracks in concrete is proposed. The diagnostics consist of a mechanical criterion of crack initiation, a quantitative waveform analysis of AE, the evaluation of deterioration by a test of core specimens, and the ultrasonic spectroscopic investigation of cracked members. Results of basic studies on these methods are summarized. Results of basic studies confirm the feasibility and the usefulness of the proposed method as diagnostics of cracks in concrete structures.
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