NDLI: Tunnelling in tectonic melanges—accommodating the impacts of geomechanical complexities and anisotropic rock mass fabrics

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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 63, Issue 4, December 2004

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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 63, Issue 1, March 2004

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 62

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 61

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 60

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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 58

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 57

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 55

Tunnelling in tectonic melanges—accommodating the impacts of geomechanical complexities and anisotropic rock mass fabrics

Content Provider	Springer Nature Link
Author	Button, E. Riedmüller, G. Schubert, W. Klima, K. Medley, E.
Copyright Year	2004
Abstract	Experiences from the construction of two shallow tunnels through a thrust melange are discussed. It is shown that complex geological environments, such as a rectonic melange zone, require continuous geological and geotechnical characterisation, as well as state of the art monitoring, to comprehend the details of the melange’s internal block/matrix structure and the effects on the excavation. The acquired data are used to determine the appropriate key parameters that sufficiently describe the expected rock mass behaviour. The paper discusses how the evaluation of three-dimensional displacement data, combined with a continuous geological characterisation, allows the optimisation of a tunnel construction in a tectonic melange.Les expériences acquises à partir de deux tunnel peu profond creusés dans des matériaux de surface basale de chevauchement sont présentées. On montre que des environnements géologiques complexes, tels que ceux correspondant à ces surfaces basales de chevauchement, demandent des investigations géologiques et geotechniques en continu ainsi qu’une instrumentation performante pour comprendre la structure de ces matériaux hétérométriques et les effects du creusement. Les donnés obtenues sont utilisées pour définir les paramètres appropriés susceptibles de rendre compte du comportement mécanique de la masse rocheuse. L’article discute comment des mesures tridimensionelles de déplacement combinées avec une caractérisation géologique en continu, permettent de maîtriser la construction d’un tunnel dans ces zones de cisaillement basal en conexte de chevauchement.
Starting Page	109
Ending Page	117
Page Count	9
File Format	PDF
ISSN	14359529
Journal	Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur
Volume Number	63
Issue Number	2
e-ISSN	14359537
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-03-16
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Creusement de tunnel Matériau de surface basale de chevauchement Caractérisation de masses rocheuses Mesures de déplacement Autriche
Content Type	Text
Resource Type	Article
Subject	Geology Geotechnical Engineering and Engineering Geology

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