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Keywords: shear zone
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-092
... ABSTRACT: Most of the rock mechanic challenges at Yara Suomi Oy Siilinjärvi apatite mine are related to several continuing and steeply dipping shear zones almost parallel to the pit slopes. One of the most unstable areas is located in the eastern pit walls near the contact with ore...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-089
...) in the lower borehole, with vertical displacements of —8 mm and — 1 mm, respectively. The shear zones of the unstable mine slopes were determined as 4.5 and 6 m in the upper and lower boreholes respectively. Vertical deformation values, as horizontal displacement measurements, could not be taken every 0.5 m...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-149
... as the Isla Cristalina (Golder 2009). Mineralization is well constrained by upper (hangingwall) and lower (footwall) fault contacts within the 50–100 m wide, east-west and northwest trending Rivera Shear zone. It has drill-defined dimensions of 900 m along strike at surface and >700 m down plunge, dipping...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-210
... and shear zones associated with various causes of failure. The results of this model emphasized allocation necessary resources and cost as per the priority, i.e. parent attribute - significant and child attribute - based on its level. 1 INTRODUCTION The enormous demand of infrastructural facilities can...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-147
... discontinuities such as brittle fault zones, shear and tensile fractures, foliation and bedding planes (Agliardi et al. 2000, Bonzanigo et al. 2007 and Zangerl et al. 2012). These geological structures affect the shape of the basal shear zone. During downslope displacements, the strain localization causes...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-017
..., thrusts, shear zones, heavy water ingress, hot temperature conditions, emission of poisonous gases etc. during tunneling. The paper presents the challenges of tunneling experienced under adverse geological conditions and the adopted solutions and remedial measures along with case studies. 1 Introduction...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-063
... characterization Reservoir Characterization Upstream Oil & Gas DTM extraction lineament terme drainage network ALP massif Curvatool Argentera Massif shear zone bogdanoff Italy geostructural survey geological lineament curvatool lineament Bagni case study Rock Engineering and Rock...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-141
... Upstream Oil & Gas shear zone Time Domain Reflectometry installation deformation inclinometer chain installation setup subsurface deformation Rock Mechanics in Civil and Environmental Engineering Zhao, Labiouse, Dudt & Mathier (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-012
... in the paper demonstrates that the timedependent behavior of the west wall can be reasonably simulated when the sheared zone is represented by a two-component power-law creep model combined with a Mohr-Coulomb elasto-plastic model. Measured slope movements and changes in displacement rates are compared...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-060
... ABSTRACT: This paper deals with an experimental analysis of natural ductile shear zones (NDSZ) in a granodiorite. Attempt is made to quantify implications of NDSZ on behaviour of rocks samples and conditions of appearance of mechanical strain localization. Samples were cut outside and inside...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-076
... footwall sketch hangingwall central section mining sidewall empirical design technique long term stability Orebody strength extraction remainder crosscut Upstream Oil & Gas shear zone convergence sequence new strategy SYNOPSIS: Maule mine successfully exploited...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-071
... the characteristics of the joint system at Röda Sten are estimated. Reservoir Characterization drilling operation reservoir geomechanics structural geology Artificial Intelligence Upstream Oil & Gas displacement rôda sten dahlstrom shear zone laboratory strength joint frequency mapping...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-058
... ABSTRACT: The 930 m long Pen- Y-Clip tunnel has recently been driven through a headland comprising fine-grained microdiorite of Ordovician age. The presence of five joint sets and several shear zones was established through field mapping and drilling and an engineering geological cross section...

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