Pytlik, Robert Stanislaw[University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Van Baars, Stefan[University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
9-Oct-2015
Future Development of Rock Mechanics - Proceedings of the ISRM Regional Symposium EUROCK 2015 & 64th Geomechanics Colloquium
Schubert, W.
Kluckner, A.
Austrian Society for Geomechanics
439-444
Yes
International
978-3-9503898-1-4
Salzburg
Austria
Future Development of Rock Mechanics - Proceedings of the ISRM Regional Symposium EUROCK 2015 & 64th Geomechanics Colloquium
October 7-10 2015
Austrian Society for Geomechanics
Salzburg
Austria
[en] Dutch limestone ; Mergel ; Weak rock
[en] In this note, results of triaxial laboratory tests on very weak sedimentary limestone
from the construction of the “Geusselt A2” tunnel in Maastricht in the Netherlands are presented. The main purpose of the triaxial tests was to evaluate the strength of this rock. Particularly interesting was that the strength parameters obtained in the laboratory, were much lower than what was expected after preliminary visual inspections. The two most popular models in soil and rock mechanics, the Mohr-Coulomb and Hoek-Brown failure criteria, were used to estimate the strength parameters and both did not give satisfying results. Still the Mohr-Coulomb model is the best model to use.