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Keywords: modeling
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-062
... method for the last few decades. Daily advance rate, the specific energy, and the performance of the excavation machine can accurately be predicted by means of those tests. In accordance with the advanced technology, the cutting tests can also be modeled by utilizing the discrete element method...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-079
... Abstract This paper presents the modeling of rockfalls using the lumped mass method and the DDA method. In the lumped mass method, the block is treated as a lumped mass which neglects the three-dimensional aspects of the block such as the block shape and the subsequent block orientation...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-091
... Abstract This paper aims to take a review on the modeling of damage in quasi-brittle rocks based upon continuum micromechanics. The basic idea of continuum micromechanics is a representation of brittle porous rocks as a material with distributed microcracks. With a crack density parameter...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-082
... Abstract This work focuses on the numerical modeling of coupled thermal, hydraulic and mechanical processes in transverse isotropic rock, with specific consideration of parallel computing aspects. We apply the previously developed parallel finite element scheme to analyze a real application...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-074
... ABSTRACT Selectedgaspulsetestsoninitiallysaturatedclaystonesamplesunderisotropicconfinement pressure aresimulated usinga3DTHMcode. The constitutive model considers the hydro- mechanical anisotropyof argillaceous rocks. Cross anisotropic linear elastic law is assumed for the mechanical...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-085
... ABSTRACT In order to investigate the fracture development and the associated fluid flow in rocks, an improved flow-stress-damage (FSD) model, implemented with Rock Failure Process Analysis code (RFPA3D), is presented. The numerical code is based on linear elastic damage mechanics on mesoscopic...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-145
... ABSTRACT Back-analysis is a systematic procedure to determine model parameters using measured response. The use of back-analysis is particularly appropriate for tunnel constructions where more information on the ground characteristics and response become available as the construction...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-187
... are taken into account in the numerical simulations: argillite, steel and air. Based on the experimental investigations, different constitutive models are applied to every material. These numerical calculations allow us to obtain some quantitative results describing the mechanical behaviour and coupling...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-108
... varieties of a number and location of such rockbolts have been analysed and compared from the viewepoint of the stability under dynamic events on the base of 3D mathematic modelling. The instrument of computer modelling has been FEM applied by ANSYS code. It deals with shape and nature of deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-098
... ABSTRACT One of the difficulties in describing the rock mass behavior is assigning the appropriate constitutive model. This limitation may be overcome with the progress in discrete element software such as PFC, which does not need the user to prescribe a constitutive model for rock mass...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-028
... technologies which facilitate topographical analysis. Using LiDAR (Light Detection And Ranging) technique enables us to capture the accurate topographical information of the hazardous area. This paper discusses effect of topography on rockfall process using LiDAR and process modeling. The process modeling...

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