Abstract
An apparatus specifically designed for static and cyclic testing of concrete and rock cylindrical samples is described. A particular characteristic of this equipment is the possibility of cyclic variation of the confining pressure, in addition to variation of the vertical load. The technical features of the apparatus are illustrated, as well as those of the instruments used for measuring and recording the variation of loads and displacements during the tests, up to the failure of the specimens. Comments are also presented on the devices controlling the variation of load with time and on the characteristics of the load histories adopted in an experimental research aimed at investigating the behaviour of concrete under repeated triaxial loads.
Resume
On décrit un appareillage spécialement conçu pour l'essai statique et cyclique d'échantillons cylindriques de béton et de roches, qui permet d'appliquer des variations cycliques de la pression de confinement en plus de la variation de la charge verticale. On montre les caractéristiques techniques de l'équipement utilisé pour mesurer et enregistrer la variation des charges et des déplacements au cours des essais, jusqu'à rupture des éprouvettes. On se livre également à des observations sur les appareils de contrôle de la variation de la charge dans le temps, et sur les caractéristiques des charges sélectionnées pour une recherche expérimentale qui visait à examiner le comportement du béton sous charges triaxiales répétées.
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Cividini, A., Taliercio, A., Landriani, G.S. et al. An apparatus for cyclic tests on cylindrical concrete specimens. Materials and Structures 25, 490–498 (1992). https://doi.org/10.1007/BF02472639
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DOI: https://doi.org/10.1007/BF02472639