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1.2.2 Geomechanics

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Proceedings Papers

Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-041
... cutting, blasting etc.; rock stability includes pressure of rock strata in mining, slope stability, stability of foundation, geomechanics etc. In mining practice various types of stresses lead to rock fragmentation, then different kinds of fractures occur. For example, comparison can be made with several...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-200
... of implementation of counter measures in order to react to these large deformations (Frejus Tunnels, St-Martin-La-Porte Adit, and La Maddalena Exploratory Tunnel for TELT project). 1.2 Geomechanical A significant number of analytical solutions have been obtained for underground openings. Quite less attention...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-157
... Basal Reef Zone includes all rock types confined between the top of the footwall quartzite and the base of the Khaki Shale, or Leader Quartzite, if no shale is present. The Basal Reef occurs at the base of this zone. 1.2.2 Seismic characteristics The largest seismic event recorded at the mine, since...
Journal Articles
Journal: SPE Journal
SPE J. 21 (04): 1321–1339.
Paper Number: SPE-179725-PA
Published: 15 August 2016
.... The intermediate time, approximately radial, period shows a slope of 1.0, which is expected because taking the derivative with respect to superposition time increases the log-log slope by one at shut-in times much greater than the period of injection (Section 1.2.2). Careful inspection of the Bourdet plot...
Includes: Supplementary Content
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-081
... Tensile Strength (BTS) of the rock is highlighted in the study by Sheorey (1997). According to his study, the compressive strength of the rock is approximately 10 times its tensile strength. Nevertheless, Sheorey`s strength ratio variation is high (Cai 2006) and EUROCK 2015 & 64th Geomechanics Colloquium...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-061
... Artificial Intelligence borehole boundary intensity factor breakout pattern natural language Wellbore Design propagate plane stress distribution boundary breakout experiment breakout depth reservoir geomechanics hydraulic fracturing Rock mechanics maximum compression geometry stress...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-069
... unaltered, because of their characteristic mineralogy and texture. 1.2.2 Rocks of the Toquepala Intrusive Centre The most remarkable feature of the Toquepala deposit is the unusually large hydrothermal breccia complex emplaced at the intrusive centre. Large amounts of breccia are contained within...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-731
... collected during the subsurface geotechnical programs. Site investigation and preliminary geotechnical design details that incorporate site specific conditions for the proposed West Big Rock pit at Brewery Creek, are discussed in this paper. reservoir geomechanics metals & mining structural...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-093
... the ratings for RQD, Jn, Jr and Ja, respectively. 1.2.2 Discontinuity orientation factor: O-factor The discontinuity orientation factor (O-factor) described in Table 5 provides orientation adjustments for discontinuities in rock slopes (Barton & Bar 2015). The Set A orientation-factor is applied to the most...
Proceedings Papers

Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, May 31–June 1, 2010
Paper Number: ISRM-IWVE-2010-006
... the division proposed by Zbyszewsky et al (quoted by Rosa, 1995). The main complexes are (3' and (3z. 1.2.2 Ancient volcanic complex (,6) This complex, dated from the Mio-Pliocenic period, occurs mainly in the central part of the island namely in Curral das Freiras, Serra de Água, Vale de S. Vicente, Vale da...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-115
... and 4 m long (w:h of approximately 1.5). Mining of the trial site was completed by the end of May 2015. metals & mining Reservoir Characterization Upstream Oil & Gas hydraulic fracturing reservoir geomechanics instrumented pillar convergence fractured slab face position pillar...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1187
... and discrete phase is chosen to calculate the gas-solid two-phase flow. of the gas is much lower than the density of the particles ( g s 1 ). Experiments self-designed were operated in the laboratory to explore 1.2.2 Interphase equations The interphase momentum exchange coefficients are given as (Gidaspow et...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-106
.... 1.2.1 Amberg and Lombardi (1974) consider the same relationship both for the CCC and the CCF: in the latter the authors take into account, rather than c a lower value of the pressure, due to the presence of a "fictitious radial stress" caused by the still unexcavated nucleus. 1.2.2 Egger (1974...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1367
... Eqn principal stress reservoir geomechanics fracture initiation position horizontal stress Reservoir Characterization hyperbolic solution in-situ stress state borehole wall azimuth inclination orientation borehole general solution linear model fracture position equation Rock...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-241
... of an underground repository for nuclear waste in Switzerland. Reservoir Characterization Upstream Oil & Gas application reservoir geomechanics orientation mechanical anisotropy fracture Montreal hydraulic fracturing 13th international congress brittle clay shale anisotropy bedding plane...
Proceedings Papers

Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-211
... le r~sultat de m~canismes exteusifs sui- vant des surfaces structurales (des "discoutinuites") soit preaxistantes, soit induites au cours de la d~forma- tion finie. Les r~sultats experimentaux (1.2.2) s'appliquent A plu- sieures bassins sedimentaires naturels, analyses A la fois du poiut de vue...
Proceedings Papers

Paper presented at the ISRM 3rd Nordic Rock Mechanics Symposium - NRMS 2017, October 11–12, 2017
Paper Number: ISRM-NRMS-2017-004
... and decrease the damage to the environment. In order to realize these, rock mechanics plays an utmost important role. hydraulic fracturing Reservoir Characterization Upstream Oil & Gas reservoir geomechanics Raasakka energy efficiency fracture surface energy rock mass Helsinki seismic...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-002
... a balanced view, based on both geological and engineering outlook. 1.2.2 Terminology A standard set of terms for description of landslides has been suggested by the Commission on Landslides and Other Mass Movements of the International Association for Engineering Geology and the Environment (IAEG 1990...
Proceedings Papers

Paper presented at the 1st ISRM Congress, September 25–October 1, 1966
Paper Number: ISRM-1CONGRESS-1966-247
... sollte, namlich die «Spannung an einer Flache» und die «Spannung in einem Punkt». reservoir geomechanics effort residuel Reservoir Characterization Upstream Oil & Gas earth pressure coefficient Artificial Intelligence du module consideration effort induit elastic moduli horizontal...

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