Laboratory tests on Dutch limestone (Mergel)

Pytlik, Robert Stanislaw; Van Baars, Stefan

Reference : Laboratory tests on Dutch limestone (Mergel)


	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Geological, petroleum & mining engineering
	To cite this reference:	http://hdl.handle.net/10993/22357

Title :	Laboratory tests on Dutch limestone (Mergel)
Language :	English
Author, co-author :	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 >]
Publication date :	9-Oct-2015
Main document title :	Future Development of Rock Mechanics - Proceedings of the ISRM Regional Symposium EUROCK 2015 & 64th Geomechanics Colloquium
Editor :	Schubert, W.
	Kluckner, A.
Publisher :	Austrian Society for Geomechanics
Pages :	439-444
Peer reviewed :	Yes
Audience :	International
ISBN :	978-3-9503898-1-4
City :	Salzburg
Country :	Austria
Event name :	Future Development of Rock Mechanics - Proceedings of the ISRM Regional Symposium EUROCK 2015 & 64th Geomechanics Colloquium
Event date :	October 7-10 2015
Event organizer :	Austrian Society for Geomechanics
Event place (city) :	Salzburg
Event country :	Austria
Keywords :	[en] Dutch limestone ; Mergel ; Weak rock
Abstract :	[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.
Permalink :	http://hdl.handle.net/10993/22357

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