..., and the pressure of the concrete. Only these valid data, which reflect the mechanical characteristics of large caverns, can be filtered as useful information for intelligent recognition, shown as B in Figure 2. Step 3: Construct an input datasheet for the numerical simulation software based on a uniform design...

... strength degradation of granite under constant loading were studied. AE technique was used to study the development of fracture during these tests. For the numerical simulations, the discrete element method was adopted to carry out numerical tests to simulate the laboratory tests. A same set of tests were...

... surrounding the cavern. The results from numerical simulations showing convergences in the walls of the cavern are in fair agreement to those observed at the site. An energy-absorbent support system is recommended for the rehabilitation of the side walls of the cavern. Introduction The construction...

... numerical simulation numerical calculation mining area Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00057-5 Study on the rule of roof moment and surface subsidence about shallow-buried coal seam under...

... gas extraction was established, in which adsorption, desorption, diffusion and seepage processes of the methane were taken into account. Shale gas development in Fuxin, Liaoning province was studied by numerical simulation. The informations of actual geological conditions on the shale-gas reservoir...

... Downstream Oil & Gas geotechnical performance coefficient Reservoir Characterization relation numerical simulation Upstream Oil & Gas cavern stability storage cavern pillar finite element analysis excavation groundwater inflow rock mass representative case natural gas...

...) inclined long shallow grain rock, joint fracture, rock core is short column to column, local fragmental, and so the comprehensive evaluation of surrounding rock is V level. shallow tunnel backfill stress concentration tunnel Reservoir Characterization numerical simulation vibration control...

... process of the rock crack producing the finite element program. Taking the Brazalian pan Damage evolution and numerical simulation of tension fracture of rock Laigui WANG & Na ZHAO College of Mechanics and Engineering, Liaoning Technical University, Fuxin 123000, China Yongfa ZHOU China Designing...

... both tested by design and excavation unit in order to understand which is more effective to control the surface settlement. Based on in-situ measurement and numerical simulation, this paper contrasts and analyzes measurement data and numerical results of the two excavation methods including transverse...

... in porous media numerically strength heterogeneous rock Sci numerical simulation deformation failure process fracture 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...

... Upstream Oil & Gas cavern surface stability reservoir geomechanics powerhouse cavern numerical simulation displacement Simulation underground cavern field measurement deformation deformation curve rock mass tunnel Reservoir Characterization excavation cavern cavern...

... Intelligence information numerical simulation deep rock core observation geomechanical property fracture in-situ stress horizontal drilling ISRM-Sponsored International Symposium on Rock Mechanics: Rock Characterisation, Modelling and Engineering Design Methods 1 INTRODUCTION The Williston Basin...

... Engineering criterion mechanism Upstream Oil & Gas heterogeneous material mesoscopic element failure process rock mass Reservoir Characterization strength heterogeneity numerical simulation slurry constitutive law mechanics rock particle Artificial Intelligence Chinese...

... are calculated according to the microcrack statistics method. Three observations were drawn from the numerical simulations: (1) under the axial loading, strong tensile stresses initiate along the flaw plane, particularly at the flaw front which is away from the middle portion of the flaw front; (2) the growth...

... failure behaviors. Numerical Simulation of Triaxial Compression Tests and Associated Intermediate Principal Stress Effect Z. Z. Liang C.A. Tang L.C. Li & Y.B. Zhang School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian quartzite specimens, both under plane strain...

..., this approach provided a unique opportunity to evaluate different methods used to characterize the EDZ by means of numerical simulation of the tunnel response, considering both fractures and as-built tunnel geometry. 2 SITE CONDITIONS The bedrock at the Äspö HRL consists of diorite, intersected by granitic...

... ABSTRACT Numerical simulation of joint in rock mass is always a research focus. For simplification, most studies treat joint as a smooth one, while the real joint in nature is rough. At present, few numerical simulations focus on the rough joint, and there are few studies about hydraulic...