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The characterisation of old concrete using destructive and the ultrasonic non-destructive testing methods

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The basic objective of the present experimental investigation is to contribute to the development of the ultrasonic non-destructive testing (NDT) method for the improved non-destructive characterisation of concrete. Of all known NDT methods for testing, the most promising seems to be the use of ultrasonics, because through this method several mechanical properties of concrete can be determined.

Two approaches seem promising. In the first of them the velocity, whereas in the second one the damage of ultrasonic waves in concrete are used. In this experimental work, destructive and ultrasonic NDT methods are applied in order to study the damage evolution versus the compressive loading of 30 year-old concrete.

Document Type: Research Article

Affiliations: 1: Assoc. Professor, FInstNDT and President of the Hellenic Society of NDT (HSNT), National Technical University of Athens, Faculty of Applied Mathematics and Physics Sciences, Department of Mechanics and Laboratory of Strength and Materials, Iroon Polytechniou 5, GR-157 73, Zografou, Athens 2: National Technical University of Athens, Faculty of Applied Mathematics and Physics Sciences, Department of Mechanics and Laboratory of Strength and Materials, Iroon Polytechniou 5, GR-157 73, Zografou, Athens 3: Testing, Research and Standards Center, Department of Mechanical and Metallurgical Testing of Materials (KDEP), Public Power Coorporation, 9 Leontariou st., 15351 Pallini, Athens, Greece

Publication date: 01 December 2003

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