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Keywords: back analysis
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Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-322
...). reservoir geomechanics Alejano Upstream Oil & Gas back analysis dilation angle Walton Reservoir Characterization strength Rock mechanics brittle rock fracture rock mechanics isrm13 Montreal application dilatancy hydraulic fracturing 13th international congress international journal...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-379
... landslide in Iran. The results indicate the applicability of the proposed method to obtain the key factors for the back analysis of a landslide in a cost effective manner. KEYWORDS Landslide, Back analysis, Pre-slide topography, slide profile Instructions INTRODUCTION Probably the most reliable method...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-003
... of transport, hoisting, secondary blasting, milling and plant treatment costs of ZAR293 results in an estimated opportunity loss of ZAR784 million. Currently there is a significant amount of data available in the mining industry which could be effectively used to develop suitable back analysis techniques...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-024
... by numerical analysis, if necessary. In this study, from the perspective of advanced observational construction, we describe the identification of rock physical properties by back analysis and the predictive analysis of long-term deformation of tunnel lining targeting on the tunnel with large deformation...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-060
...Harmonising Rock Engineering and the Environment Qian & Zhou (eds) © 2012 Taylor & Francis Group, London, ISBN 978-0-415-80444-8 Back analysis of tunnel response using the Differential Evolution Genetic Algorithm (DEGA) Marte Gutierrez Division of Engineering, Colorado School of Mines, Golden, CO...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-179
... is then utilized to calculate local in situ stresses using FEM3D at certain locations. Finally, the results are compared with those elicited from HF method. The Plaxis3D results roughly coincide with the measured results. Subject: Modelling and numerical methods Keywords: rock stress; back analysis; numerical...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-311
..., back analysis, critical joints, support optimization 1 INTRODUCTION In comparison to surface storage facilities, under ground stor- age alternatives are strategically secure, space saving and economical when the storage capacity of crude oil is beyond 1.0 MMT. Large-scale storage caverns are ideally...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-340
... of metabasites overlain by a thick colluvial detritic cover where the landslide has developed. Back analysis was used in order to understand the mechanisms driving the instability and to design the most suitable and cost-effective slope stabilization measures. Prior to numerical modeling, a detailed geological...
Proceedings Papers

Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-231
... investigates the effect of time-dependent behavior of surrounding rock on the tunnel EDZ. Back analysis is utilized to estimate the representative mechanical properties of the rock surrounding the tunnel. The time-dependent deformation is brought into numerical simulation by reduction of engineering parameters...
Proceedings Papers

Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-278
... ABSTRACT: Aim of this paper is to show the role of rock bridges in the stability of fractured rock slopes through a Fracture Mechanics approach. To this purpose the numerical back analysis of the triggering phase of a 2000m3 rock fall occurred in Vercors (French Subalpine Ranges) in 2004...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-128
... showed that, at some positions, the movements were extending up to 15 to 17m depth. The basis for the design of the retaining structures on both west portals of the tunnel Trojane was based on the protection of the both sides. back analysis Anchor landslide installation geological sequence...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-181
... than one specimen to determine a set of anisotropy. The size of the specimen is another problem. Reservoir Characterization displacement microcrack-arrayed body coefficient machine learning Upstream Oil & Gas reservoir geomechanics axis back analysis unknown parameter hollow...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-206
... limite de la tension admissible à travers installer du support supplementaire. Introduction Nowadays, one of the most effective means to determine the geomechanical parameters and to analyze the stability of the underground structures is the technique known as back analysis. This technique bridges...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-083
... to the excavation of the actual cavern. For the discontinuous behavior caused by groups of joints, back analysis was used, and a three-dimensional key block analysis method was established. In addition, an observational construction management system with high performance in terms of both hardware and software...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-097
... a comprehensive study conducted to assign appropriate design values for the deform- ability of soft rock foundations based on the results of in-situ tests, laboratory triaxial compression tests and back analysis using the observed deformation of the foundation for an existing embankment dam. . RESUME : Recemment...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-206
... Upstream Oil & Gas seismic hazard elongate relation variation system stiffness Reservoir Characterization Mendecki apparent stiffness seismicity seismic event South Africa configuration metals & mining back analysis Johannesburg hazard Van Aswegen Magnitude stiffness...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-231
... structural geology weak plane plane evaluation reservoir geomechanics Upstream Oil & Gas rock slope consideration Reservoir Characterization stress component boundary element method Strata Boundary formation boundary stability stress measurement tectonic stress back analysis...

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