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Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-005
... Abstract The practical algorithm for determination of burst hazard zones using data from an automated system of mining pressure control is suggested. A procedure of an emergence prognosis is designed using the index of burst hazard, KUD, that characterizes the geo-mechanical state of rock...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-017
.... flow in porous media Reservoir Characterization Upstream Oil & Gas reservoir geomechanics Fluid Dynamics specimen ultrasonic measurement malm limestone permeability porosity procedure saturation tensile strength Germany dolomite effective stress limestone ultrasonic wave velocity...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-062
... behaves as it does. Upstream Oil & Gas residual strength procedure sensitivity analysis strength input parameter procedia engineering 191 tensile strength reservoir geomechanics contact cohesion contact tensile strength Reservoir Characterization flat-jointed material particle...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-002
... procedure based on digital image processing. This procedure starts with digital images of a rock surface, followed by a conversion into a gray-scale image. Different grayscale windows refer to different mineral components (grains) or pores. This digital grayscale image is superimposed by a regular mesh or...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-033
... ABSTRACT: Basic friction angle is an essential parameter when estimating shear strength of rock joints, according to Barton's equation and other approaches. Nevertheless, there is still no standard procedure to estimate it by means of laboratory testing. This study investigates the influence...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-062
... ABSTRACT: An enriched finite element procedure is proposed for formulating interaction of steel rock bolt along with multiple joints in a rock mass. This numerical method involves analysis of bolt behavior with varying joint dip angle, bolt angle, joint-bolt-grout properties in extended finite...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-172
... vanguardia procedure excavation cerro vanguardia open pit mining 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 Cerro Vanguardia open pit mining: Database management for stability analyses I.G. Mendive...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-143
...). Geomechanical methods based on empiri- cal and analytical procedures (mostly in coal mining Junker 2009) and static calculations (in underground engineering) facilitate to specify a loading of support constructions. The assessment of real load-bearing capacity of rigid or yielding steel arch support is...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-197
... interferogram Interferometry differential phase procedure ground surface Semarang ground condition extensive area northeast area perpendicular baseline Fluid Dynamics displacement Indonesia synthetic aperture radar land subsidence Reservoir Characterization DInSAR multi-temporal...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-179
... systems. The studies were completed a design procedure for a similar underground mines successfully. 1 Introduction Design of support systems is an important part of planning as well as site applications for a sustainable ore production. The studies are mostly carried out by considering in situ stress...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-137
..., pronounced topographic relief, deep groundwater circulation, transient coupled heat/fluid transfer, uplift/erosion and thermal history. During tunnel excavation the rock temperatures were measured. The procedure has been verified by comparing measurement and prediction under Alpine conditions, namely in the...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-025
... Surface Model of the cliff obtained with digital photogrammetry. The RBSD is obtained directly by measuring the blocks deposited on the slope. The IBSD and RBSD are well fitted by exponential and potential functions, respectively. We present a procedure to derive the RBSD from the IBSD using a fractal...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-073
... Abstract This study deals with the comparison of the results of shear tests conducted under conditions of constant normal load (CNL) and constant normal stiffness (CNS). The aim was to investigate whether the shear strength results of the two test procedures are comparable and whether the...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-085
... overestimation of joint roughness. To denoise the TLS data, two wavelet transforms are applied in combination with different thresholds. The denoising procedure is successfully tested by comparing TLS data obtained on a 20×30 cm joint sample at a range of 10 m, to reference data for the same joint surface...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-003
... & Gas friction Artificial Intelligence failure mode mesh procedure interface evaluation rock bridge joint stiffness gravity dam plane representation foundation discontinuity rock mass Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-109
.... Mine layout design—mine orientation, extraction sequencing, pillar designs, panel designs, and use of in-block barriers and/or panel-barrier designswhere caving is lagging. Proactive control procedures—de-stressing volley firing, blasting overburden rocks, hydraulic fracturing, chemical de-stressing...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-153
... investigation excavation procedure interpretation construction deformation Upstream Oil & Gas elasticity marl formation execution mechanical parameter massif west side Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-154
... obtained an analytical expression useful to obtain the diametric deformation from tape extensometer convergence measures. A procedure to analyze the diametric deformation is proposed. A practical example is carried out. 1. Introduction Typically, the measurement of convergences is the principal...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-166
... Abstract A semi-analytical procedure is introduced to solve the stress and displacement distributions of strain-softening rock masses surrounding a circular opening on basis of Hoek-Brown failure criterion. The numerical solution and closed-form solution are obtained for plastic softening and...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-238
... engineering estimation Engineering Stille pillar stress pillar Upstream Oil & Gas deformation probability observational method assessment procedure eurocode 7 contingency action 10. Applicability of EUROCODE-7 in rock engineering Rock Engineering and Rock Mechanics: Structures in and on...

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