NDLI: Estimate of concrete cube strength by means of different diameter cores: A statistical approach

Content Provider	Springer Nature Link
Author	Indelicato, F.
Copyright Year	1997
Abstract	This paper describes a method for the interpretation of test results which makes it possible to estimate concrete cube strength from cores of various diameters with suitable confidence levels. To this end, 1,270 results of compression tests carried out on cubes with 150 mm sides, on typical small and micro-cores (70, 45 and 28 mm in diameter, respectively), have been elaborated with the aid of statistical methods, which can also be used for different types of test. The laws of correlation between cube strength and the strength values obtained from the different diameter cores are determined and discussed. The relationship expressing the lower confidence limits for future individual observations are developed, compared with one another in relation to the influence of core diameters, and proposed for thein situ estimate of cube strength.Cet article présente une méthode d'interprétation des résultats d'essais permettant d'estimer, avec des niveaux de confinance suffisants, la résistance sur cube du béton à partir de carottes de diamètre divers. À cet effet, 1 270 résultats d'essais de compression sur des cubes de 150 mm de côté et sur des carottes types de 70mm de diamètre, de petites carottes de 45 mm de diamètre et des microcarottes de 28 mm de diamètre sont développés au moyen de méthodes statistiques pouvant également être appliquées à l'interprétation d'autres types d'essais. Les lois de corrélation entre les résistances des cubes et des carottes de différents diamètres sont déterminés et discutées. Les relations qui expriment les limites inférieures de confiance pour les observations individuelles futures sont élaborées, comparées entre elles par rapport à l'influence des différents diamètres des carottes, et proposées pour l'estimationin situ de la résistance sur cube.
Starting Page	131
Ending Page	138
Page Count	8
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	30
Issue Number	3
e-ISSN	18716873
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Theoretical and Applied Mechanics Structural Mechanics Mechanical Engineering Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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