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Recommendations for the use of resonance methods for testing concrete

I.—Resonance frequency measurements

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  • RILEM Technical Committee
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Résumé

Ce rapport renferme les recommandations relatives aux essais du béton par mise en vibration, première partie: measure de la fréquence de résonance, acceptées à la réunion de la commission technique de la RILEM sur les «essais non destructifs du béton» qui s'est tenue à Varna en septembre 1968. Ont été examinés les paramètres suivants: caractéristiques des appareils; forme, dimensions, conditions de conservation et âge des éprouvettes; appuis; positionnement des commandes et des capteurs de vibrations; calcul des modules d'élasticité dynamiques; symboles et unités dans les systèmes SI et MKfS.

Summary

The paper contains the recommendations accepted at the RILEM “Non-Destructive Testing of Concrete” Working Group Meeting held at Varna in September 1968 regarding the resonance methods for testing concrete, part 1. Resonance Frequency Measurements. The following parameters are discussed: apparatus characteristics; shape, dimensions, curing conditions and age of specimen; support conditions; positioning of driver and pick-up of vibrations; calculations formulae for dynamic elasticity moduli; symbols and units in SI, and MKfS, systems.

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Brunarski, L. Recommendations for the use of resonance methods for testing concrete. Mat. Constr. 2, 269–273 (1969). https://doi.org/10.1007/BF02475161

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  • DOI: https://doi.org/10.1007/BF02475161

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