Guide
French Standard P18-414: Concrete Resonance Frequency Testing
French standard describing the procedure for measuring fundamental resonance frequency of hardened concrete specimens for quality and degradation detection.
Authors: Normalisation francaise - P18-414 (1993)
Original Language: French (see French version)
Abstract
The purpose of this standard is to describe the procedure for measuring the fundamental resonance frequency of a hardened concrete specimen. The method is suitable for all concrete, and applies to specimens whose shape and dimensions are defined in Article 3. This method makes it possible to detect differences in quality and degradation of concrete.
More info can be found here: https://www.boutique.afnor.org/en-gb/standard/nf-p18414/testing-of-concretes-non-destructive-testing-measurement-of-the-dominant-re/fa171360/79959
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