Abstract
Physical and mechanical properties used to characterize soil and rock are different according to the various approaches and targets of the different activities involved, namely soil mechanics, rock mechanics or engineering geology. The Authors suggest that the data obtained during a borehole expansion test, which can be summarized by a Ménard E-modulus and a limit pressure, be used in an overall classification ranging from loose soils to hard rock without any discontinuity based on the soil Pressiorama® as developed for soils these last 10 years.
Résumé
Les propriétés physiques et mécaniques utilisées pour caractériser les sols et les roches diffèrent selon les approches et les objectifs, ceux de la géotechnique, de la géologie de l’ingénieur ou de la mécanique des roches. Les auteurs suggèrent que les mesures faites lors de l’expansion de la cavité cylindrique d’un forage, et qui peuvent se ramener aux deux paramètres fondamentaux d’un module pressiométrique et d’une pression limite, soient utilisés pour une classification passant sans discontinuité des sols aux roches fondée sur le diagramme Pressiorama® mis au point pour les sols il y a quelques années.
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*Previously published in Anagnostopoulos et al. (2011). Reprinted—Published in revised form with kind permission of IOS Press.
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Baud, JP., Gambin, M. Soil and Rock Classification from High Pressure Borehole Expansion Tests. Geotech Geol Eng 32, 1397–1403 (2014). https://doi.org/10.1007/s10706-014-9752-9
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DOI: https://doi.org/10.1007/s10706-014-9752-9