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Keywords: back analysis
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-048
... material, a loading facility and a recording system for pressure, flow rate and stress σ m applied to the cell. At each stage of loading, seepage tests were carried out at various input pressure p n of gas. By the stationary measured flow rates σ mn , using the back analysis, the empirical permeability...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-059
.... A geotechnical risk management including a back analysis can be implemented to meet budget and schedule aims without scarifying the safety and the quality. This paper firstly, describes the methods to define the tunnel geology and system behaviour and numerical design methods to predict the displacements...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-156
... based on artificial neural network that was able to regressive analyzing of displacements in future Survey Convergence station projects in every time of monitoring. In back analysis algorithms, for example, with a large number of correct answers received and produce plans with a problem. If properly...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-117
...Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 Back analysis of a general rock failure in a marble quarry M. Martínez Segura & E. Trigueros Departamento de Ingeniería Minera...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-151
...Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 Back analysis and radar interferometry monitoring in a large open pit slope C. González-Nicieza & M.I. Álvarez-Fernández...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-147
... for slope stability although thickness of this material is restrictive, thus determination material properties with some method is very important in keeping stability on the low-wall part of coal mining. This study focused on determining material properties on bedding contact using back analysis method.This...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-153
...Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 Modelling and redesign of retaining system of a deep excavation in marl formation using back analysis results Y. Kazan Faculty...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-197
... occurred. After that event, the authors have performed the study involving back analysis. Two circumstances were quite evident and should have been accounted. The failure took place after prolonged heavy rainfalls. Furthermore, a contractor has changed a technology of excavation during the construction...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-160
..., Guimarães, Portugal D. Dias Grenoble Alpes University, LTHE, Grenoble, France ABSTRACT: This paper addresses the performance analysis of an optimization algorithm from the field of evolutionary computation, namely an Evolution Strategy, in back analysis to evaluate the geomechanical parameters...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-161
... and the initial state of stress resulted from previous studies, which included stress measurements and a global analysis of the results. The calculated and measured displacements along the complete excavation sequence were compared and, by using a back analysis process, the elastic moduli of the rock mass...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-124
... stresses, locked stresses of tectonic origin, topography and other complex geological conditions. To obtain the deformation modulus of rock mass, except from insitu measurements, back analyses based on monitoring data are often carried out. Direct approach from the back analysis is based on iterative...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-011
... Reservoir Characterization northern apennine olistostrome coli Upstream Oil & Gas strength parameter matrix structural geology brown failure criterion rock mass reservoir geomechanics back analysis lab test tunnel bimrock Hoek Italy clayey matrix complex formation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-072
... intersection rock mass behavior metals & mining back analysis joint element stress field tensile strength Quintner Limestone Switzerland pillar Rock Mechanics for Resources, Energy and Environment Kwas´niewski & ydz ba (eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00080-3 Back...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-197
... the applicability of the developed back analysis technique combined non-linear programming and unsteady heat conduction analysis by finite element method. At first, the field measurement and its results to investigate temperature changes within the ground are demonstrated in this paper. Next, the thermal...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-083
... integrity displacement measurement result Upstream Oil & Gas tunnel tube Wellbore Design back analysis support system element excavation rockb deformeter tunnel zone sediment Reservoir Characterization limestone Engineering kova�ević underground excavation konjsko tunnel back...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-090
... Abstract The excavation of the Power House Cavern (PHC) for the Siah Bishe Pump Storage Project was accompanied by an extensive monitoring program. The gathered monitoring data was evaluated and used as a basis for the back analysis—special emphasis was put on the extensometer measurements...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-019
...Eurock 2005 -Impact of Human Activity on the Geological Environment - Konecny (ed) © 2005 Taylor& Francis Group, London, ISBN 04 1538 042 1 Two and three-dimensional analysis of a hydro-electric cavern using back -analysis Ahmad Fahimifar Department of Civil and Environmental Engineering, Amirkabir...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-005
... (shotcrete). During the works execution monitoring system for the support system behavior was established. This enabled to obtain the data necessary for the stress-strain back analysis of the real behavior of rock mass. An active design procedure was established which made possible changes required...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-025
... Considering the stochastic characteristic of the measured deformations or stresses in rock engineering, a stochastic back analysis model to identify the initial rock stress field in the complex rock slope engineering is presented. Several forms of estimation function are studied in view...

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