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Keywords: assessment
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-027
... tunnelling status, which may lead to misjudgement and untimely adjustment. A comprehensive assessment of TBM tunnelling status need to be introduced. In this paper, fuzzy comprehensive evaluation method is adopted to assess the tunnelling status while tunnelling. Taking the penetration rate, advance rate...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-046
... Geotechnical Risk Assessment (GRA) guideline developed to tackle the geotechnical risks in underground mines [6, 7, 8]. In this paper the review of these is given and an expansion of the GRA with the outcome from the Dynamic Control of Underground Mining Operations (DynaMine) project is proposed. The paper...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-050
... post-failure stage as well as to contribute to more realistic but still practical dilatancy models. 1. Introduction For several years, the stability assessment of rock engineering projects was mainly based on avoiding failure, hence the elastic and peak mechanical behavior of rocks have been...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-064
... equations have been designed that derive varying degree of success [4, 6]. Artificial Intelligence frequency reservoir geomechanics blast design Reservoir Characterization Wellbore Design specification natural frequency prediction Upstream Oil & Gas displacement assessment olympic...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-074
... model may be used for future investigation of parameters that affect the top coal caving. The final goal will be the development of a new approach for top coal cavability assessment. REFERENCES Brady, B.H.G. & Brown, E.T. 2004. Rock mechanics for underground mining, Third edition, London: Kluwer Aca...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-102
... failure surface developed within a mélange formation during a rainy season and resulted in buckling of the road by about 2 m. Different limiting equilibrium methods and discrete finite element methods (DFEM) were used for the assessment of the slope instability. The factor of safety of the slope changes...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-103
... Padjadjaran, Indonesia ABSTRACT: The study is conducted in a coal mining which elongated at South Kalimantan to East Kalimantan covering Tanjung Formation and Kampungbaru Formation. As the area is an open-pit mine, a rapid assessment is required in order to determine slope stability. One of the assessment...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-140
... University of Technology and Economics, Budapest, Hungary ABSTRACT: Steep, and hardly accessible jointed rhyolite tuff cliff faces surround a Castle in NE-Hungary, at village of Sirok. The assessment of cliff stability required the recording of cliff geometry. Traditional surveying was not possible therefore...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-131
... between Santa Eulalia and San Carles de Peralta, has been evaluated. This study assesses the possibility of allowing public access to the surface of the mining area and beginning a project to open a show mine in the underground stopes and galleries. Stability is evaluated using an empirical approach...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-180
... orientation Rock mechanics assessment characteristic point cloud Simulation discontinuity data gamma distribution generate input ferrero variability discontinuity rock engineering Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-214
...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 equivalent continuum approach for the assessment of geological fault reactivation in hydrocarbon reservoirs E.C. Mejia Sanches Tecgraf Institute...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-010
... are not presented here because difficult or even impossible to implement in underground works, due to the specific constraints of the underground environment. Reservoir Characterization classification fracture termination discontinuity fracture characterization structural model assessment...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-183
..., numerous pillars experienced brittle deformation and several surface collapses occurred. To prevent any further harmful damages, a risk assessment with modeling of relevant parts of the mining openings is carried out currently. The geomechanical input data for modeling are based on the results of numerous...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-023
... Abstract Remotely sensed data, such as high-resolution point clouds of Terrestrial Laser Scanning (TLS), and automated rock structure modelling help us efficiently assess cliff rockslide prone areas where direct contact measurement of fracture characteristics is very difficult. Our approach is...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-035
... Abstract Numerical calculation methods for landslide hazard assessment are typically applied on small areas. However, based on simple geotechnical models, the application is also useful for large areas. The utilization of grid-based geometrical and geological data in combination with...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-043
... TBM parameters, scanned in 2-seconds intervals, which were filtered and used for subsequent calculation of relevant parameters for assessment of the tunnelling process, the values were then averaged for approximate 25 cm long tunnel sections. The sampling period of 2 seconds enabled to acquire the...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-048
... Abstract The development of an excavation damaged zone around an underground excavation can change the physical, mechanical and hydraulic behaviors of the rock mass near an underground space. This paper presents an approach to build a prediction model for the assessment of EDZ. Rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-049
... Abstract Intact rock strength, usually determined by Unconfined Compressive Strength tests, represents one of the key parameters for performance and tool wear assessment in any hardrock excavation. An accurate assessment of this parameter during preliminary site investigation and undergoing...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-050
... Strength Assessment 1.1 Defining "anisotropic behaviour" Mechanical cutting of rocks is affected by rock properties, which are represented by several mechanical and technological parameters. Rock abrasiveness belongs to such parameters. Rock abrasiveness is ability of rock to wear down the working tool...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-041
... high tool wear rates, the most important rock mass features, such as intact rock strength, rock toughness and rock fracturing must be assessed carefully in the course of preliminary site investigation. Once under operation, additional investigations, like performance documentation, tool wear analysis...

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