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Keywords: accuracy
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Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-607
... of "one reference station for one landslide". In this study, the evaluation of the quality of VRS data, the calculation accuracy of static base line, and the comparative analysis of the calculation results between virtual and physical reference stations were carried out to demonstrate the applicability...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-079
... is validated using the reported TRT data. Results show that the four parameters could be estimated with high accuracy by using the data sampled between 10 and 50 h. Moreover, k s and k b have relative errors of 11.05% and 24.47%, respectively. In conclusion, the proposed algorithm is easy to implement...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-145
... neural network society iop publishing iop conf tunnel lining resu-net deep learning segmentation u-net recognition machine learning conference accuracy semantic segmentation artificial intelligence pixel dice coefficient environmental science 861 dataset defect Abstract...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-397
... publishing iop conf susceptibility environmental science 861 category conference landslide susceptibility dataset geology artificial intelligence rockfall algorithm geological disaster susceptibility mapping intensity inventory dataset accuracy 11th Conference of Asian Rock Mechanics...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-180
.... Thereafter, the RF model was used to acquire the susceptibility of PFDF in the study area. Finally, receiver operating characteristic (ROC) curve, area under curve (AUC) value, sensitivity, specificity, and accuracy were utilized to validate the predictive performance of the model. Results show that the RF...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-208
... Abstract To deal with the impact of the typical microseismic (MS) location (TMSL) method with the velocity measurement error on location accuracy, a new location method without pre-measuring wave velocity based on particle swarm optimization (PSO), named the TM-PSO method, is proposed...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-222
... gsi conference tunnel accuracy laoying tunnel Abstract The rock mass rating (RMR14) system can effectively evaluate the quality of the rock mass surrounding a tunnel, which combines the characteristics of the rock mass strength and the discontinuity. However, it is difficult to infer...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-247
.... reservoir surveillance society iop publishing iop conf application thermal conductivity production control accuracy heated fiber-optic temperature sensing production monitoring environmental science 861 dual-probe heat pulse approach production logging sensor conference equation applicability...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-288
... reservoir natural ga science matrix conference information accuracy fracture hmax journal numerical simulation Abstract The Luzhou block in the Sichuan Basin has a smooth overall stratum, slight dip angle, and few fractures. Still, anticlines, folds, and faults are locally developed...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-353
... velocity models can provide an effective approach to improve the MS source location accuracy and exhibit broad application potential. 1 Introduction With increasing attention being paid to the safety of engineering constructions, microseismic (MS) monitoring has been widely used in recent years...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-021
... Abstract The accuracy of the calculation results in seepage analysis is determined largely by the boundary conditions. The construction of underground caverns and reservoir impoundments will inevitably lead to a redistribution of the underground seepage fields and the change in groundwater...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-133
..., mined between July 2014 and November 2016, which collated more than 50 parameters defining spatial, geometrical, geomechanical, geological and stope performance aspects. The points in this database were superimposed on the existing Stability Graph with ELOS curves (Clark, 1998) to assess its accuracy...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-187
...A Method for Determining Field Accuracy of Mobile Scanning Devices for Geomechanics Applications E. Jones*, B. Ghabraie and D. Beck Beck Engineering, Australia * ejones@beck.engineering Abstract The use of mobile scanning devices is increasing within the underground mining industry, specifically...
Proceedings Papers

Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-242
... Artificial Intelligence Engineering accuracy october 2014 equation of state stochastic three-dimensional discontinuity network Simulation fluid modeling fracture characterization orientation homogeneity stochastic model rock mass Reservoir Characterization Upstream Oil & Gas...
Proceedings Papers

Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-284
.... By basic numerical analysis, we inspected the accuracy of this system. The accuracy of the proposed system is similar to the Finite Element Method solution became clear. We investigated the influence of the mesh size on the precision in this system. The numerical examples showed that the solution accuracy...
Proceedings Papers

Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-275
... was low. However, the basic model could not predict the settlement behaviour precisely, when the amount of teach data was limited as would be in the early stage after construction. Some improvement was necessary for this model to conduct early settlement prediction. To achieve a higher accuracy in long...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-013
... ABSTRACT Various factors such as physical and geometrical properties of pressure cell, properties of surrounding media and installation techniques seriously affect the accuracy of total pressure measurement within soil or concrete structure. In this study a numerical code was used to simulate...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-055
... of strength properties of rock shear tests are significantly large because of the discontinuous nature of rock masses and the accuracy of loading control. For the purpose of clarifying the latter reason, in this study, the rotation angles of the concrete block of failure about horizontal axis f and about...
Proceedings Papers

Paper presented at the ISRM International Symposium - 6th Asian Rock Mechanics Symposium, October 23–27, 2010
Paper Number: ISRM-ARMS6-2010-058
... Reservoir Characterization accuracy stability Symposium Engineering measurement Point structural geology displacement precise rock deformation Shimizu rainfall tropospheric delay monitoring global positioning system partial pressure international symposium vertical component...

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