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Keywords: expression
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Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-160
... results of the model can be verified by a comparison with experimental data. Reservoir Characterization disintegration application stress field Upstream Oil & Gas non-euclidean model rock mass Artificial Intelligence zonal structure expression continuum model failure structure far...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-138
.... Reservoir Characterization perzyna viscoplasticity rock slope stability viscoplasticity shear stress Artificial Intelligence calculation international journal algorithm Upstream Oil & Gas zero-thickness interface element stability expression Zienkiewicz mechanics Engineering viscoplastic...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-172
... the determination of two curves. One of them is the ground reaction curve (GRC), which represents the load or reaction exerted on the walls of the tunnel in order to detain its radial displacement. Many authors have developed expressions for the GRC under different rockmass behavior hypotheses. Among others, we can...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-154
... for use it as monitoring variable to assess tunnel stability. It has 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...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-250
... analysis of rock slopes in the EC-7 framework. 2 Spread Foundations on Rocks 2.1 Spread foundations in EC-7 According to EC-7 framework, the calculation of any ultimate limit state basically involves the verification of the following expression: E d <R d (1) where E d is the design value...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-004
... of foundations in rock media is presented. The Hoek & Brown failure criteria has been modified in the last decades from 1980 original formulation and the modified, or generalized, expression has become more and more appreciated. It can be used to analyze ultimate bearing capacities of foundations acting...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-111
... for the rock mass Representative Elemental Volume. It was discussed by the authors in a paper presented last year (Ayres Da Silva, L.A.;Ayres Da Silva, A.L.M.; Sansone, 2013), in which they propose that the dimension L of the expression above corresponds to more critical dimension, in structural terms...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-113
... magnitudes of vibration at any site that is to be protected. An important factor of dealing with vibrations and their effects is the definition of three categories, which are (according to Sarsby, 2000): Reservoir Characterization correlation amplitude expression Upstream Oil & Gas...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-093
... in order to determine additional equations. water management Barton correlation solid waste management calculation JRC profile expression Upstream Oil & Gas roughness shear strength test software shear strength direct shear strength test strength Rock mechanics quantitative...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-027
... criterion compressibility porosity reservoir simulation criterion chalk porous chalk solution procedure MPa expression matrix deformation procedure Lixhe chalk ductile porous material mechanical behavior porous material constitutive model geomaterial 2.2 Rock mechanics constitutive...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-080
... for the estimation of the water inflow. Discharge prediction analytical solution inflow Upstream Oil & Gas bolu tunnel assumption Reservoir Characterization equation 7 Groundwater Flow hydraulic conductivity Ankara msec 1 tunnel circumference calculation water inflow expression water...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-139
... be possible to forecast the exact number of joints in a given volume of rock mass. linear observation surface intersection confidence limit rock mass homogeneous rock mass Modeling & Simulation rectangle starke einer kluftschar mean attitude expression scanline borehole grossmann 1988...

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