This paper examines the variation in properties of a specific type of 28-year-old concrete, the characteristics of which were known at 7, 28, 36 and 90 days. Beyond the destructive tests (compression, splitting tension and bending), the concrete was studied with non-destructive ultrasound testing. Moreover, the relationship between the compressive strength of this concrete and the ultrasonic longitudinal wave velocity, as well as the dynamic modulus of elasticity were determined. The objective was to control changes in the quality of concrete over a long period of time and to contribute to the development of a non-destructive method for the determination of concrete strength in structures. The presented approach, that seems promising for such development, uses the velocity of ultrasonic waves in concrete.
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April 2003
Research Article|
April 01 2003
Mechanical properties of old concrete using destructive and ultrasonic non-destructive testing methods
I. N. Prassianakis;
I. N. Prassianakis
*
National Technical University of Athens, Faculty of Applied Mathematics and Physics Sciences, Department of Mechanics, Laboratory of Strength and Materials
Iroon Polytechniou 5, GR-157 73, Zografou, Athens, Greece
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P. Giokas
P. Giokas
*
National Technical University of Athens, Faculty of Applied Mathematics and Physics Sciences, Department of Mechanics, Laboratory of Strength and Materials
Iroon Polytechniou 5, GR-157 73, Zografou, Athens, Greece
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Publisher: Emerald Publishing
Received:
October 10 2001
Revision Received:
February 06 2002
Accepted:
October 21 2002
Online ISSN: 1751-763X
Print ISSN: 0024-9831
© 2003 Thomas Telford Ltd
2003
Magazine of Concrete Research (2003) 55 (2): 171–176.
Article history
Received:
October 10 2001
Revision Received:
February 06 2002
Accepted:
October 21 2002
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Discussion: Mechanical properties of old concrete using destructive and ultrasonic non-destructive testing methods
Citation
Prassianakis IN, Giokas P (2003), "Mechanical properties of old concrete using destructive and ultrasonic non-destructive testing methods". Magazine of Concrete Research, Vol. 55 No. 2 pp. 171–176, doi: https://doi.org/10.1680/macr.2003.55.2.171
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