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Keywords: mechanism
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-072
... Abstract Despite plenty of research studies in design of segmental tunnel lining, there have still been serious concerns in damage mechanism of segmental lining in weak rock masses. With significant increasing of mechanized tunnelling practically in all kind of ground, including highly...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-002
.... Despite significant progress in monitoring and numerical methods there is still no appropriate geological or rock mechanical basis for explaining or predicting water pressure induced seismic events. Some research topics are suggested to approach this issue. Introduction The typical life-cycle phases...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-004
... Abstract Probably, the most relevant issue in stability analysis of rock slopes is the correct identification of the potentially occurring failure mechanism, which should be mechanically analyzed to assess stability, later on. Traditional rock slope stability approaches consider planar, wedge...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-180
... combination and stress corrosion cracking [5]. france government metals & mining foundation spherical 28 grouted rockbolt europe government environmental science 833 initiation theory geologist rockbolt rock engineering mechanism corrosion geology practice iop publishing iop conf...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-080
... Abstract Axial splitting is an important failure mechanism in rock engineering. This failure mechanism is particularly observed in the vicinity of free surfaces of rock structures. Different possibilities such as existence of defects, pores and micro-cracks in the rock specimen have been...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-130
... network of natural fractures, fluid columns built along the fracture network increase the local state of stress by stress shadowing. Hydro-shearing of the natural fractures that were under increased stress state can be explained as the main mechanism responsible for occurrence of larger magnitude...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-100
... mass and the mechanical properties of rocks along the well trajectory are used for this purpose. The article presents numerical simulations of changes of the rock mass state around a directional well. The calculations were conducted with various material models of rock: the linear-elastic model...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-081
... of the pillar failure can be vital. Therefore, it is essential to fully understand the mechanics behind these failures in order to predict and control them. As suggested by Tincelin and Sinou [1], pillar failures can be classified into two categories: Slow, progressive deterioration of the pillars that causes...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-121
... to property of the enterprises. Thus, solution of GDP problem which is faced with during the underground mining of potash layers is one of the most urgent tasks of mining engineering. 2. Study of the gas-dynamic phenomenon mechanism Improving mine safety demands the research of the mechanism of different...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-087
... and dramatic strength weakening of the rupture head. Although essential for understanding earthquakes, rock mechanics, tribology, and fractures, the relation between the intensive microcracking and strong interface weakening remains enigmatic despite continuous studies over decades. The fact that rupture...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-117
... Reservoir Characterization saliferous rock sample mechanism second-class scale effect surface layer metals & mining strength quasi-plastic saliferous rock mechanical indicator Upstream Oil & Gas upper kama potash salt deposit scale effect mechanism Indicator reservoir...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-144
...: 10.1016/j.proeng.2017.05.289 ScienceDirect Available online at www.sciencedirect.com Symposium of the International Society for Rock Mechanics Rockburst in Ostrava-Karvina Coalfield Ji í Ptá ek* Institute of Geonics, AS CR, Studentska 1768, Ostrava 70800, Czech Republic Abstract More than 450 rockbursts...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-094
... ABSTRACT: This research project investigates the planar failure mechanisms of rock slopes by using PFC2D numerical code based on the distinct element methods. The aim of this work is to evaluate further the role of persistence of discontinuities (joints) that controls the planar failure...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-146
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 An innovative and effective approach to hard rock cutting N. Erarslan The University of Queensland, School of Civil Engineering, Australia Adana...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-156
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Evaluation of discontinuity and opening geometry effects on roof beam deflection N. Moussaei School of Mining Engineering, College of Engineering...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-075
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 An elastoplastic and viscoplastic model for porous geomaterials M. Souley & N. Lafrance INERIS, c/o Ecole des Mines de Nancy, Campus ARTEM, Nancy...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-051
... ABSTRACT: Impregnated diamond (ID) drilling is a successful and widely used technique for drilling abrasive and hard rock formations. This is in part due to their self-sharpening mechanism, which consists of a constant renewal of diamonds acting in the cutting face as matrix wear takes place...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-057
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Numerical simulation on pillar failure patterns T.H. Ma School of Civil Engineering, Dalian University of Technology, Dalian, PR China School...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-012
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Modeling yield propagation of jointed synthetic rock A.K. Alzo ubi Civil Engineering Department, Abu Dhabi University, United Arab Emirates ABSTRACT...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-042
... development and the development of oil and gas production. To better understand the mechanism of hydraulic fracturing, many studies have been actively conducted. Hubbert & Willis (1957) have shown that hydraulically induced cracks are created by tensile fracture and extended along the direction...

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