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Keywords: Thickness
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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-2021-065
... whether to carry out further investigations or search for other alternate sites. In most of the cases the core drilling is being carried out vertically, however presence of shear zones and its thickness sometimes warrants angular holes also in order to determine exact thickness which merely depend...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-067
... degradation sulfate upstream oil & gas europe government thickness specimen theory flexural strength simulation Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012068 doi:10.1088/1755-1315/833/1/012068...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-157
.... On one hand the Quantile Monte Carlo (QMC) simulation is used to determine the optimal design variables (i.e., the thickness of two liners). On the other hand, the well-known Kriging metamodeling technique is undertaken to approximate the limit state function in the augmented reliability space (i.e...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-180
.... It is characteristic of low-temperature situations, too. equation reservoir characterization structural geology europe government experiment thickness fourier heat equation measurement result thermal diffusivity fourier guyer-krumhansl equation eurock 2020 szaszvar formation 3 norway government...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-026
... metals & mining Thickness surface subsidence space procedia engineering 191 Upstream Oil & Gas goaf clearance subsidence reservoir geomechanics surface subsidence separation space surface dynamic subsidence Reservoir Characterization mining overburden separated strata...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-125
... reservoir geomechanics size effect Reservoir Characterization Wellbore Design strength metals & mining brije mishra procedia engineering 191 specimen stress direction reservoir simulation Upstream Oil & Gas orientation Thickness lamination thickness lamination orientation...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-097
... specimen toughness scale mode-i fracture toughness hydraulic fracturing Thickness artificial notch alkali feldspar semicircular specimen macro scale fracture toughness mode-i fracture toughness granite Procedia Engineering 191 ( 2017 ) 761 767 Available online at www.sciencedirect.com 1877...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-160
... swelling. Shotcrete thickness calculated using the Rabcewicz equation: where t = the thickness of the shotcrete, p = stress in tons per square meter, r = radius of gallery in meter, = permitted shear stress in tons per square meter. Length of rock bolts is about 1/3 to 1/2 of falling wedge distance...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-156
... dimensions influence the instability of the shallow underground excavations. Due to wide range of bedding structures, in this research authors tried to analyses such structure using small scale experimental and numerical models. In the tested models beddings dip varies from 0, to 90 degrees. Layer thickness...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-186
... surveys. Surveys included detailed measurements of local orientation of the discontinuity walls and infilling thickness. Since the mechanical behaviour of the rock mass is largely influenced by the infilling material, this was carefully sampled on site. Where sampling conditions were particularly...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-055
... joints under both constant normal load (CNL) and constant normal stiffness (CNS) boundary conditions, considering the ratio of infill thickness (t) to the height of the joint wall asperity (a), i.e., t/a ratio (Ladanyi et al. 1977 & Leichnitz 1985). The experimental researches to date have tended...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-007
... extensively some field cases illustrating both the sizes and occurrences of each model. 2.4 Fault thickness According to Al-Busafi (2005), the thickness of a fault is defined as the separation between the external slip surfaces, in case of more than one being present. Data compilation of faults in outcrops...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-078
... soil and rock (poros- ity, Atterberg limits, cohesion, friction angle) do not 501 cover a fundamental role. Furthermore, the determi- nation of the representative values is not immediate: the lack of data coming from monitoring of real events, forces to obtain velocity and thickness using numerical...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-080
... and optimization scheme about deep hole floor-break blasting and the control effect were tested in practice. It's found that the mining horizontal stress was the key reason for floor heave and the layer thickness of floor, mechanical properties and the supporting intensity of roadway surrounding rock were the main...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-099
... are crucial to the deformed process of consequent slopes. Consideration of various conditions, including foliation dip angle, sliding mass geometry, and spacing between foliation planes, indicate that increasing the foliation dip angle and the thickness of sliding mass increases the depth of slope deformation...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-103
.... Volumetric extensile strain was used as an indicator of the extent of excavation damage prior to and after the construction of the cut-off. Using the volumetric extensile strain to plastic yield zone area ratio the cut-off performance for thickness to depth ratios between 0.05 and 0.7 were examined...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-168
... of cases have been reported when the major dump slides and failures have caused substantial damage and interruption on the production circuit (DGMS circular, 2007). coal bed methane structural geology Thickness flow characteristic Reservoir Characterization coal seam gas displacement history...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-176
.... equation of state hydraulic fracturing Artificial Intelligence fluid modeling Engineering Isfahan curvature curve-shaped discontinuity input data geometrical modeling University Upstream Oil & Gas anjire discontinuity assumption fracture complex reservoir Thickness Dershowitz plane...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-181
... the environmental impact, a reliable subsidence prediction is essential. Some recent research results on subsidence behavior are summarized below. Using FLAC 3D , Dai et al. (2011) find that the surface subsidence extends widely and the surface deformations decrease with the increase of the layer thickness. Guo et...

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