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Keywords: displacement
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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-009
..., respectively. Inverted results from coseismic displacement data reveal that at the southwest segment of Longmen-shan fault, it is reverse-slip and the direction of the maximum compressional stress is nearly in EW direction. And at the northeast segment of Longmen-shan fault, it is dominated by strike-slip...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-015
... measurements and displacement measurements with 2-D and 3-D numerical modeling. Continued rock stress measurements and rock stress change monitoring are actively used to calibrate the numerical models. This forms a tripod of information, which gives reliable modeling results used for active operation planning...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-052
... on cyclic shear behavior of non planar infilled joints at CNS boundary condition. It is also observed that there is no effect of CNS boundary condition on shear behaviour of infilled joints at high normal stress and infill thickness. displacement normal stress shear cycle infilled joint shear...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-038
... rail transportation rock mechanical analysis knowledge management hydraulic fracturing Fracture Zone Raasakka Tampere reservoir geomechanics displacement underground train station excavation Roundhouse Symposium international symposium Reservoir Characterization ground...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-059
... Reservoir Characterization Upstream Oil & Gas normal load constant normal stiffness reservoir geomechanics dilatation roughness parameter displacement normal stress procedure friction angle shear strength international symposium metals & mining roughness Finland Johansson...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-030
... the standard linear solid model's constitutive relation. The results show following characteristics: Under the control of crustal medium's rheological mechanism in the Tibetan plateau, the eastward displacement components become bigger and bigger from west to east in the Tibetan plateau. The maximum appears...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-060
... Abstract Excavation of long deep tunnels through adverse ground conditions by shielded TBMs requires thorough rock stability analyses to evaluate the possibility of entrapment of the machine. This refers to the assessment of ground pressure and displacement in tunnel walls. For this purpose...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-055
... method to monitor stress state change caused by mining activities. The method is based regression between linearly elastic modelling and displacement measurements. The regression in the method is formed with least squares method. machine learning Artificial Intelligence Raasakka Reservoir...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-025
.... The project included in-situ stress measurement campaigns, stability analyses and rock displacement monitoring during the excavation phase. The stress measurements were conducted with hydraulic fracturing method. In this paper, the test results and their analysis are presented. Comparison of the predicted...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-024
... Reservoir Characterization displacement strain gauge rosette excavation mass condition excavation profile rock mass failure MPa Sintef indication Upstream Oil & Gas instability tunnel procedure rock mass host rock Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor & Francis Group...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-015
... at the center of this arrangement. Reservoir Characterization reservoir geomechanics accuracy validity evaluation gauge critical laboratory investigation displacement procedure concrete block equation installation Situ stress Determination compaction diagonal Duvall vertical direction...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-050
... with coal pillar Because coal seam mining sometimes produce surface subsidence disasters, the analysis of deformation field on coal seam mining is very necessary.[6] Through the analysis on mining with coal pillar of the verti- cal displacement is beneficial to confirm deformation 316 Figure 3...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-111
.... Hast) first carried out the work of earth stress measurements in the Scandinavian Peninsula. Reservoir Characterization lithosphere back-analysis method application structural geology displacement earthquake prediction excavation stress measurement Upstream Oil & Gas calculation...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-045
... generalization into interpolation problem, which can improve the network learning speed and training precision. We can compute the displacement boundary conditions of the geological model by utiliz- ing the highly nonlinear characteristics of the artificial neural network, and then apply the obtained boundary...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-061
...- ing, and both sides laid out two rows of 45 base angle grouting bolts. The vertical displacement of model1 (figure 5 a) shows that serious convergence distortion happened because the roof and bottom are not controlled effec- tively. Severe floor heaving appeared, the maximal 383 Table 2...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-094
... structures to earthquake loading has been reviewed using finite difference numerical method. In modeling, Tabas, Naghan and El-Centro earthquakes are used as typical earth shakes. The changes in amplitude of displacement, velocity and acceleration as a function of changing desired model parameters...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-124
... ABSTRACT: This paper summarizes the typical features and their regularities of the observed coseismic surface ruptures by Wenchuan Earthquake in terms of the three faults, ground locations, ground geomaterials, rupture geometries and rupture displacements. The paper then uses both...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-085
... the occurrence of earthquakes on the fault by means of viscoelastic finite element method, with gravity being included in the model. The result shows that the average earthquake recurrence time on the Longmen Shan fault is very long, ∼3,257 years. Basically, the modeled coseismic displacements have...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-119
... are estimated based on experimental results. In this paper the linear slip weakening is used with this formulation: Where µs = static coefficient of friction; µd = dynamic coefficient of friction; and Lc = critical slip distance; x = displacement; µ(x) = coefficient of fric- tion corresponding to displacement...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-017
... Method (CBDM). In this paper, the theory of the CBDM is described, as well as the prototype instrument with the laser displacement sensor. Analyzing influence factors on measurement result theoretically, it makes clear that stress change within rock mass can be estimated by the CBDM. 1 INTRODUCTION...

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