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Keywords: Earthquake
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Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-259
... ABSTRACT: Anti-sliding piles have good reinforcement effect in slope under earthquake. In this study, new combined piles are proposed, and models of bedding rocky slopes with different weak interlayers are established. The force characteristics, reinforcement mechanism and effect...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-357
... earthquakes) have aroused extensive attentions. Hence it is necessary to study on the evolution rules of reservoir in-situ stress and fault stability during the water injection process of hydraulic fracturing. In this work, a three-dimensional geomechanical model of a shale gas reservoir which located...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-475
... ABSTRACT: Anchor cable is widely used in rock slope reinforcement. In the design, the force of the anchor cable is often simplified as a constant load, which cannot reflect the deformation. To accurately evaluate the stability of the slope reinforced with anchor cables under earthquake load...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-040
... ABSTRACT: In the exploitation of shale gas and enhanced geothermal energy, reservoir water storage and carbon dioxide storage projects, induced earthquakes are closely related to the activity of primary faults. A fractured cylinder sample with 60° inclination is adopted in the indoor test...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-045
... characterization reservoir geomechanics geologist united states government geological subdiscipline fracture salton sea geothermal field enhanced geothermal system preferential orientation microseismic catalogue quantify plane seismicity interaction plate tectonics earthquake discrete fracture...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-184
... ABSTRACT: Tunnels constructed in the rock formation have been considered safe against earthquakes. However, the 1995 Hyogo-ken Nanbu Earthquake (M7.3) caused large damages to mountain tunnels as many as to other structures. Tunnels are one of the important infrastructures, so the evaluation...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-178
... ABSTRACT: In Japan, some mountain tunnels are damaged by earthquakes and relative large-scale deformations such as the collapse of permanent lining and the deformation of supports have occurred. Although the earthquake resistant countermeasures for tunnels has been examined recently, some...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-177
.... Fracture density and angle of dip were quantitatively measured using core samples. As a result, the closed fractures with semiconsolidated brown clays were revealed dominant along the Fault 461 damage zone ruptured during 2016 Kumamoto earthquake mainshock, and the fracture density were higher in volcanic...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-336
... on, but it is still at the initial stage of exploration in China. After the Hanshin earthquake, the academic community conducted in-depth and extensive research on the seismic performance of subway stations. Many scholars used numerical analysis methods to study the seismic response of subway stations and obtained...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-007
... & gas hydraulic fracturing reservoir surveillance reservoir geomechanics discontinuity displacement deformation earthquake continuum coupling engineering dda stability interaction landslide matrix permeability case 2 case 3 evaluation Abstract Natural rock masses consist...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-138
... -value is also discussed. 1 Introduction The concept of b -value was derived from seismology size distribution research. In 1941, Gutenberg & Richter (1944) first derived the rule that the frequency of earthquake occurrence decreases exponentially with magnitude. They proposed the widely used G...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-161
... upstream oil & gas water management waterflooding enhanced recovery seismicity earthquake creep shear saturation mechanism granite shear strength injection-induced seismicity shear displacement injection reservoir characterization physicochemical interaction hydrocarbon...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-162
... japan government reservoir characterization boundary asia government instability experiment deformation earthquake tohoku earthquake interface upstream oil & gas displacement discontinuity correspond mpa propagation mantle degradation fracsima 2016 deformation instability...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-104
... plane discontinuity plane displacement frequency discontinuity saw-cut plane shear strength earthquake reservoir characterization experiment shear loading interface upstream oil & gas shear resistance schistosity plane polished saw-cut plane rock mechanic aydan engineering...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-142
... reservoir characterization plane deposit doi displacement petukhov compression strength batugin metals & mining orientation bachat earthquake instrumentation upstream oil & gas kuzbass figure 4 lomakin earthquake crust hypocenter moscow journal Abstract...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-203
... means the measurability of P strain waves at acoustical frequency range quantitatively for borehole tensor strainmeters. 1 Introduction In order to capture gentle tectonic strain caused by volcanic activity(Linde et al., 1993), fault failure process including slip transients, fault creep, earthquake...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-111
... block was allowed. These results show the slope being caught in the stage just before a primary landslide. In addition, the feature whereby the slope behavior depends on the depth was analyzed by comparing the information on the underground displacement with precipitation and earthquake records...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-168
... processes in NFRs. Reservoir Characterization hydraulic fracturing 13th international congress seismicity orientation energy release rock mechanics isrm13 Earthquake inclination Upstream Oil & Gas principal stress displacement seismic event pirayehgar radiated seismic energy...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-206
... Abstract Here, we statistically proved that giant earthquakes occur at lunar phases specific to each subduction zone. Enough attention during the lunar period, especially when seismicity is occurring, will significantly reduce damage from giant earthquakes. Two case studies in which giant...

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