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Keywords: granite
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0038
... ABSTRACT: Granitic plutons are widespread distributed in Fujian, Guangdong and Hainan Provinces that comprise granite batholith of various rock gradients and multi-phase intrusions formed in a complicated geological setting of geodynamics. It's widely accepted that granite is an ideal heat...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0835
..., and initial defects may modify the chipping mechanism. To investigate the fragmentation mechanism in typically drilled rocks, dynamic indentation tests were conducted on limestone and granite. Results of high-speed camera observations revealed that chipping occurred during the loading phase in the granite...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0058
... deformation modalities observed in several rock types affect release of helium. Axial compression tests with granite, rhyolite, tuff, dolostone, and sandstone - under vacuum conditions - were conducted to measure the transient release of helium from each sample during crushing. It was found that, when crushed...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0071
... of granite to better understand the fracturing process of brittle rocks under indirect tensile loading. In the experimental part, two independent monitoring techniques, Acoustic Emission (AE) and high-speed imaging, were deployed to investigate micro and macro cracking processes. The sample's behaviour...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0892
... strategies in tunnel construction. geology sandstone specimen anisotropy reservoir characterization marble reservoir geomechanics granite kim micrometer rock mechanic disk specimen kim quantitative assessment correlation equation deformation geologist geological subdiscipline...
Proceedings Papers
Y. Mukuhira, N. Watanabe, K. Sueyoshi, K. Takuma, R. Zhang, T. Tomai, Y. Arai, M. Uno, T. Ito, R. Goto, T. Tian, V. Sokolovski, M. Naoi
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0872
.... Hydraulic fracturing occurred at around 38 MPa, which was significantly higher than the tensile strength of the granite. Simultaneously, borehole pressure dropped, and a number of AEs were observed as standard fracturing phenomena. However, sub-consequently, borehole pressure built up again, and then we...
Proceedings Papers
Xuhao Fan, Haizhu Wang, Mingsheng Liu, Bin Wang, Yunpeng Zhang, Zelong Mao, Yaochen Zhang, Sergey Stanchits, Alexey Cheremisin
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1015
...-temperature hdr fracture feature complex reservoir reservoir characterization experiment propagation hdr reservoir characteristic reservoir geomechanics fractal dimension hydraulic fracturing reduction geological subdiscipline fracture propagation module granite coefficient mechanism ARMA...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1005
... of the percussive hammer drill easier and faster. A numerical FDEM model of the jet loading and mineral fragment removal of a coarse-grained granite under confining pressure is introduced. The loading of a 1 mm nozzle delivering a 240 MPa jet is modelled using a spatio-temporal pressure distribution. A quartz...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0118
... propagation behavior of granite with single fissures at different angles. The results indicate that: (1) Compared to intact specimens, the strength of defective granite is reduced due to the presence of defects. As the crack angle increases from 0° to 90°, peak strength and elastic modulus decrease...
Proceedings Papers
Jianyun Feng, Ying Zhang, Jun Luo, Yan Zeng, Xiaorui Yun, Dawei Liao, Zhiliang He, Ying Zhang, Jun Luo, Yan Zeng, Xiaorui Yun, Dawei Liao
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0167
... in the Mesozoic-Cenozoic basins in eastern China. However, they are dominated by medium-temperature geothermal resources with low abundance. The geothermal reservoir types mainly include porous sandstone reservoirs, karstified fractured-vuggy carbonate reservoirs, and fissured granite reservoirs. 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0165
..., the electrical cross-section is interpreted with geological data. The results show that the longitudinal section can be roughly divided into four electrical layers of "low-high-low-high", which are Paleogene, Cretaceous, Permian-Carboniferous, and granite basement. According to the distribution of granite...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0106
... of internal defects in rocks, modify their mechanical attributes, and trigger new failure modes. As a quintessential crystalline rock, granite possesses a markedly heterogeneous internal structure. This heterogeneity leads to unique thermal stress responses and failure mechanisms under high temperature...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0238
... and fragmentation. FDEM can model both continuum and discontinuous mechanical behavior, which allows for modeling of fracture in targeted rock at downhole conditions. We simulate PDC cutter-rock interaction in 3-D for a range of back rake angles, cutting speeds, and depth of cuts using granite as our target rock...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0229
... in granite and sedimentary rocks, as well as laboratory tests using cores. Among various evaluation parameters, uniaxial compressive strength, in-situ stress, hydraulic conductivity, fault development etc. were obtained and compared between granite and sedimentary rock. Through a series of analyses...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0194
... and granite under field-representative cyclic loading conditions. Supporting tests – x-ray diffraction (XRD) and porosity measurement are designed to characterize the physical and mineralogical behavior of the rocks. Uniaxial Compressive Strength (UCS) tests established the strong mechanical heterogeneity...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0217
... rock type geological subdiscipline petroleum geology thermal reservoir economic geology granite structural geology reservoir characterization fushan sag liu depression geological modeling geothermal resource evaluation zhang hercynian-indosinian granite ARMA 24 0217 Geothermal Resource...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0786
...) monitoring was conducted to explore the influence of control mode and loading rate on AE characteristics and the damage processes of granite. The experiments were carried out under axial displacement controlled and load controlled modes at varying displacement and loading rates. The stress-strain behavior...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0465
... a tight granite rock. The triaxial direct shear system features an in-line mass spectrometer connected to the downstream side of the sample, allowing the accurate detection of arrival time of different signature noble gases. We measured gas permeability and arrival time of different noble gases through...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0544
... ABSTRACT: Most granites have preferred directions ("rift", "grain", and "hardway") that affect the ease with which the rock can be split. In this study, we present a series of uniaxial and triaxial tests on the directional-dependent properties of Sierra White Granite, a rock that has been...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0510
... experiment strength propagation mpa international journal granite ARMA 24-0510 Study of the stress state around dynamically pressurized underground cavities in porous saturated rock formations and its implication for the fracture growth analysis Vorobiev, O.Yu. Lawrence Livermore National Laboratory...
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