Experience With the Impact-Echo Technique

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Title: Experience With the Impact-Echo Technique

Author(s): Hemant S. Limaye and Donald F. Meinheit

Publication: Special Publication

Volume: 128

Issue:

Appears on pages(s): 101-114

Keywords: damage; nondestructive tests; prestressing steels; storage tanks; structures; thickness; General

Date: 11/1/1991

Abstract:
Over the last 3 years, an impact-echo technique has proven to be an effective evaluation tool in identifying defects and locating embedded items in concrete structures. The advantages of the method are that it is nondestructive, relatively easy to calibrate, and testing can be conducted from one surface of the element under test. Operating experience with the impact-echo technique has shown that, within known limitations, the technique can provide a rapid nondestructive means for performing certain concrete condition surveys.