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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: The Distribution of Critical and Rupture Loads and Determination of the Factor of Crackability
Author(s): M.P. Rebic
Publication: Special Publication
Appears on pages(s): 721-730
Keywords: electric tests. acoustic emission; concretes; cracking (fracturing);
measuring instruments; nondestructive tests; ultrasonic
Abstract:During the compressive loading of 20 cm and 10 cm concrete cubes, acoustic emission (AE) and the ultrasonic pulse transit time were measured. The critical load ( 6 ) at which the internal structure of the concrete the AE- 6 and 6 and 6 the factor F =6/6. i d e a l l y ductile completely brittle begins to be damaged is determined from transit-time/ 6 diagrams. The ratio between rupture load, is defined as the crackability This factor increases from zero (f o r materials) towards a value o f 1 .0 (f o r materials). From the tests described it follows that the factor has practically the same value whether from A E or ultrasonic measurements. Itit also is determined follows that the statistical distribution of the factor F is wider than the distribution of the rupture loads, which means that the start of the irreversible changes lies in a wider range of loading than the rupture load.
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