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1-20 of 123
Keywords: calculation
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Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-081
... india government sedimentary geology reservoir geomechanics practice iop publishing iop conf alignment characterisation depositional environment environmental science 833 chowpatty beach calculation borehole igneous rock thickness basalt reservoir characterization geological subdiscipline...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-092
... for modelling. After creating the geotechnical model, it was used for FEM calculations using RS2 software. Four cross-sections were chosen across the cellar system in different locations and various directions modelling the surface load of the planned building. The stability of the cellar was studied from two...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-094
...) is often used to estimate the factor of safety of the slope. upstream oil & gas rock engineering environmental science 833 stability figure 5 practice iop publishing iop conf numerical simulation discontinuity theory reduction safety swedge calculation Mechanics and Rock...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-093
... moscow state university geological subdiscipline simulation massif assessment numerical simulation calculation Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012093 doi:10.1088/1755-1315/833/1/012093...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-186
... mineral halite rock engineering storage cavern simulation europe government geological subdiscipline theory calculation investigation cavern contour Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012183 doi...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-184
... an attempt was made to compare how some aspects of Biot coefficient determination influence its values. The tests were performed on a triaxial test system PIK-UIDK/PL where deformations are measured by LVDT sensors. The Biot coefficient was calculated using two different equations. The results from three...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-163
... of equivalent lattice beam were calculated and compared. In an attempt to develop a more accurate equivalent beam model a novel approach which is modification of the Method -B has been developed by authors. This Noval approach is the most convenient approach to develop an equivalent section with an extremely...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-192
...-independent reliability approach encompassing the large variability of the size and the kinematics of the possible impacting blocks. The entire statistics of all these quantities (size, velocity, and height) enters into the calculations, differently from other approaches that consider specific values...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-196
... parameters interact in a complex manner, the calculation of safety is a much less satisfactory process [1]. One possible approach which has been discussed by several authors is the probabilistic analysis of variables leading to a concept of safety in terms of a given probability of failure. Eurocode 7 (EC7...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-195
... to be stabilised by anchors―to compare the results obtained with the different methods. The objective is to calculate the force applied by the anchors so that the ultimate limit states of sliding of the rock block is verified. Deterministic-based design optimization considering both the traditional global safety...
Proceedings Papers
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-123
... at mining companies for more than 10 years and have shown their high efficiency. The efficiency is associated primarily with the operative calculation of stress-strain state in case of exacerbations of the geodynamic situation and the potential consideration of various mining options in order to reduce...
Proceedings Papers
Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-059
... in the model, and its hydraulic properties are back-calculated using the measurements. Assuming that there are no changes in the joint hydraulic apertures due to the tunnel excavation, the maximum groundwater pressure immediately behind the SCL is simulated to be approximately 470 kPa. This is lower than...
Proceedings Papers
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-114
... the some level of PPV, an important increase in the calculated load on the arch steel support were observed in the stress concentration zones. These results are in good correlation with numerous cases of rockbursts occurred in the Polish mines. In our opinion, continuous measurement and controlling...
Proceedings Papers
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-035
... on the analysis of a digital surface model. This paper proposes a method to identify discontinuity sets in a point cloud and calculate the spacing of the sets. The discontinuity sets are semi-automatically identified with the open-source software DSE (Discontinuity Set Extractor). The program analyzes the density...
Proceedings Papers
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-040
... profile of the working and the applied technology of driving using road headers, separate roof bolting in combination with welded meshes is used to ensure the stability. The applied methods of dimensioning separate roof bolting as well as the methods of calculating the stable pillars between the mining...
Proceedings Papers
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-007
... and geotechnical analyses within the project conducted by Poltegor-Institute. The calculation procedure enabled determination of slope stability on the design of excavation and spoil dump. It included 21 analyses using Flac v.7 of which 14 regarded the slopes of the pit, 6 the slopes of the external spoil dump...
Proceedings Papers
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-100
... mass and the mechanical properties of rocks along the well trajectory are used for this purpose. The article presents numerical simulations of changes of the rock mass state around a directional well. The calculations were conducted with various material models of rock: the linear-elastic model...
Proceedings Papers
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-075
... & Gas Coal Basin input data Calculation Parameter thermal model metals & mining thermal field expert system rock mass Czech part calculation carboniferous rock mass vlastimil kajzar procedia engineering 191 temperature value temperature field software Procedia Engineering 191...
Proceedings Papers
Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-176
... clouds detecting the number of discontinuity sets, classifying each point with its discontinuity set and plane equation and calculating their normal spacing; and SMRTool calculates the geo-mechanical quality of a rock slope by means of the Slope Mass Rating (SMR) index. In order to illustrate the use...
Proceedings Papers
Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-147
... state in the vicinity of gas storage in salt caverns under consideration of thermo-mechanical coupled calculations will be presented. Numerical models are created to take into account the essential influence of the volume and depth of the cavern. Furthermore time-dependent, thermo-mechanical coupled...
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