Analysis of Compressive Strenghts of Concrete Determined by Different Types of Sclerometers
Abstract
One of the way of finding out the surface of concrete in construction are impact hammers in building practise the most widespread resilient impact hammers of Schmidt system. Sometimes there are also used nonnorm impact hammers for exmaple Masek impact hammer and Ciganek prong. By teoretical we can suppose that for same surrfaces will be at same trial place found same values of surfaces, but this presumption wasn't confirmed yet. In case of nonconfirmed tests of concrete it's needed to use only one type of impact hammer. For searching more accurate results is needed to make accurates tests of concrete, everytime for
concretes which are more than 1year old and for using different types of impact hammers for classification the surface of construction.
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Drochytka R.: et al. Progressive Building Materials with Utilization of Secondary Raw Materials and their Impact on Structures Durability. but, Final report of the project VVZ CEZ MSM: 0021630511, Brno 2008. Brozovsky J.: Subtask 3 (in Czech).
Brožovský, J.; MAtÄ›jka, O.; Martinec, P. Concrete Interlocking Paving Blocks Compression strenght Determination Using Non-Destructive Methods. The e-Journal of Nondestructive Testing, 2007, roÄ. 12, Ä. 4, s. 91-97. ISSN: 1435-4934.
Brožovský, J., FojtÃk, T. , Brožovský, J., jr. Built-in Concretes Made with Gypsum Free Cements: Compression Strength Determination Using Nondestructive Testing Methods. In The Third International Conference on Structural Engineering, Mechanics and
Computation, Cape Town, South Africa, 2007, ed. A. Zingoni, Millpress Science Publishers, Rotterdam The Netherlands, p. 1554-1559, ISBN 978 90 5966 057 1
Brožovský, J., Zach, J. , Brožovský, J., jr. Gypsum free cements and concretes made with them: strength determination using nondestructive testing methods. In IV Conferencia Panamericana for Non destructive Testing, Buenos Aires, Argentina, 2007, Primera edición, Asociación Argentina de Ensayos No Destructivos y Estructurales, p. 1-9, (paper №2), ISBN 978-987-23957-0-4
EN 12504-2: Testing of Concrete in Structures – Part 2: Non-Destructive Testing - Determination of Rebound Number
CSN 73 1370: Non-Destructive Testing of Concrete: Common Regulation.
CSN 73 1373: Testing of Concrete by Hardness Testing Methods.
ISO/DIS 8045: Concrete, hardened -Determination of rebound number
ASTM C 805-97: Standard Test Method for Rebound Number of Hardened Concrete
BS 1881, part 202: Testing concrete. Recommendations for surface hardness testing by rebound hammer
NFP 18-417: Bétons – Mesure de la dureté de surface au sclérométre
JGJ/ T 23-2001: Technical Specification for Inspection of Concrete Compressive Strength by Rebound Method
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