Mining jointed granite

The permeability of whole and jointed Barre Granite

1979年8月1日  The permeability of whole and jointed Barre granite was measured at pressures up to 2 kbars Jointed samples were actually split cylinders joined by surfaces with controlled 2020年2月1日  Mechanical behaviors of laboratory scale jointed granite with different joint configurations (orientation, intensity, waviness, and persistence) under triaxial compression Investigation of mechanical properties of jointed granite under 2017年5月1日  A database of postpeak triaxial test results was created for artificially jointed planes introduced in cylindrical compression samples of a Blanco Mera granite Aside from Triaxial strength and deformability of intact and increasingly 2020年2月1日  Discrete element method (DEM) is employed to investigate the fracture growth and failure mechanism of increasingly jointed rock samples subjected to increasing Investigation of mechanical properties of jointed granite under

Strength and dilation of jointed granite specimens in servo

2014年7月1日  In this paper, triaxial compression tests are carried out on Jointed rocks are ubiquitous in the complex environments (coupled heat and moisture conditions) encountered 2021年2月16日  In this paper, through the testing of jointed granite samples after exposure to high temperatures, the influence of the heating/cooling rate on the mechanical properties of Fracture Mechanics Behavior of Jointed Granite Exposed to High Abstract Triaxial strength tests were performed on artificially jointed standardsize granite specimens with two subvertical and three subhorizontal (2+3) joints A fully servocontrolled Triaxial strength and deformability of intact and increasingly 2024年1月31日  To investigate the timedependent failure characteristics and mechanisms of jointed rock in deep underground environment, a series of true triaxial singlestep creep tests Timedependent failure characteristics of natural jointed granite of

Investigation of mechanical properties of jointed granite under

2020年2月1日  In this study, mechanical properties of jointed granite with different joint configurations are investigated using the LSSRM modeling approach under unconfined and 1977年1月1日  In situ elastic and transport properties were measured as a function of compressive stress to 200 bars for a variety of load psths on a 3m cube of jointed granite near Laramie, Wyoming The specimen contained 3 vertical joints which are parallel to a set of welldeveloped microfractures Measurements were made parallel and normal to the joints across Elastic and transport properties of an in situ jointed granite2014年7月1日  Request PDF Strength and dilation of jointed granite specimens in servocontrolled triaxial tests We investigated the complete stress–strain response of artificially jointed granitic rock Strength and dilation of jointed granite specimens in2023年8月17日  Most rockbursts are associated with jointed rock masses as the energy stored inside the rock is prone to abruptly release at such discontinuities Moreover, remote blasting at working faces can trigger the brittle failure of jointed rocks at opening boundaries In this work, a testing system combining truetriaxial compression with dynamic disturbance is employed to Failure Modes of Jointed Granite Subjected to Weak Dynamic

Fracture Mechanics Behavior of Jointed Granite Exposed to

2021年2月16日  Figures 4 and 5 show the stress–strain curves of intact granite, conjugate jointed granite and echelon jointed granite samples after heating to a high temperature and rapid cooling By calculating and analyzing the change in elastic modulus, peak stress and peak strain, it is found that in the temperature range of 25–800 °C, the elastic modulus and peak stress 2017年5月1日  Triaxial strength tests were performed on artificially jointed standardsize granite specimens with two subvertical and three subhorizontal (2+3) jointsTriaxial strength and deformability of intact and increasingly jointed 1979年8月1日  The permeability of whole and jointed Barre granite was measured at pressures up to 2 kbars Jointed samples were actually split cylinders joined by surfaces with controlled surface roughness Samples with induced tension fractures were also measured The permeability of the whole rock ranged from about 10 −6 to 10 −7 darciesThe permeability of whole and jointed Barre Granite2014年7月1日  We investigated the complete stress–strain response of artificially jointed granitic rock specimens with two joint sets A series of confined compressive tests on these jointed rock specimens were performed in a fully servocontrolled press Elastic, strength and postfailure parameters were calculated and analysed, with special attention paid to the dilation angleStrength and dilation of jointed granite specimens in servo

Investigation of mechanical properties of jointed granite

2020年2月1日  Joint waviness is one of the important parameters of joint that need to be considered in civil and mining engineering design of structures built in or on jointed rock masses However, this parameter is often overlooked by designers In this study the mechanical properties of laboratory scale jointed granite with both planar and nonplanar joints of different joint 2014年7月1日  Strength and dilation of jointed granite specimens in servocontrolled triaxial tests Author links open overlay panel J Arzúa a, LR Alejano a, G Walton b Show more Add to Mendeley Proceedings of the 6th international symposium on ground support in mining and civil engineering construction, Cape Town; 2008, p 37–60 Strength and dilation of jointed granite specimens in servo 1979年8月1日  The permeability of whole and jointed Barre granite was measured at pressures up to 2 kbars Jointed samples were actually split cylinders joined by surfaces with controlled surface roughnessThe permeability of whole and jointed Barre Granite2021年5月1日  Qin et al (2020) found that hightemperature reduced the velocity of longitudinal waves in granite After 400 ℃, softening characteristics appeared, 600 ℃ was the threshold temperature of Fracture Mechanics Behavior of Jointed Granite

Triaxial experimental study of mechanical behavior of non

2024年4月1日  Triaxial experimental study of mechanical behavior of nonpersistent jointed granite subjected to slight cyclic dynamic disturbances Author links open overlay panel Tingting Liu a b, Chao Zhang a, Xinping Li a b, Kun Focal Mechanism of MiningInduced Seismicity in Fault Zones: A Case Study of Yongshaba Mine in China Rock Mech N2 The permeability of whole and jointed Barre granite was measured at pressures up to 2 kbars Jointed samples were actually split cylinders joined by surfaces with controlled surface roughness Samples with induced tension fractures were also measured The permeability of the whole rock ranged from about 106 to 107 darciesThe permeability of whole and jointed Barre Granite2017年5月1日  Triaxial strength tests were performed on artificially jointed standardsize granite specimens with two subvertical and three subhorizontal (2+3) jointsA fully servocontrolled press was used to load the samples and attain residual strengthThese tests add to an existing test database for intact and artificially jointed (1+2 joints) samples of the same rockTriaxial strength and deformability of intact and increasingly jointed DOI: 101016/JIJRMMS201302007 Corpus ID: ; Dilation in granite during servocontrolled triaxial strength tests @article{Arzua2013DilationIG, title={Dilation in granite during servocontrolled triaxial strength tests}, author={Javier Arzua and Leandro R Alejano}, journal={International Journal of Rock Mechanics and Mining Sciences}, year={2013}, Dilation in granite during servocontrolled triaxial strength tests

Numerical study on dynamic mechanical properties of multijointed

2024年5月8日  The multijointed rock mass (MJRM) in mining, tunnel and underground engineering is prone to fracture and destabilization under the disturbance of blastinginduced dynamic wave Study on dynamic mechanical properties of the MJRM under impact loading contributes to improving the stability of rock mass during engineering activities A continuous 2020年1月6日  Jointed granite models are calibrated using the laboratory test results and The anisotropy of rock mass strength at different mining depths for a high jointed rock slope in Dagushan openpit Investigation of mechanical properties of jointed granite 2018年6月22日  The mechanical behaviors of intact and jointed Blanco Mera granite are studied using the latticespringbased synthetic rock mass (LSSRM) modeling approachInvestigation of Strength and Deformation Behaviors of Intact 2014年7月1日  Semantic Scholar extracted view of "Strength and dilation of jointed granite specimens in servocontrolled triaxial tests" by J Arzua et al {Javier Arzua and Leandro R Alejano and Gabriel Walton}, journal={International Journal of Rock Mechanics and Mining Sciences}, year={2014}, volume={69}, pages={93104} Strength and dilation of jointed granite specimens in servo

‪Gabriel Walton‬ ‪Google Scholar‬

Strength and dilation of jointed granite specimens in servocontrolled triaxial tests J Arzúa, LR Alejano, G Walton International Journal of Rock Mechanics and Mining Sciences 69, 93104, 2014 99: International Journal of Rock Mechanics and 2023年10月31日  Zhao et al 15 studied the mechanical characteristics of jointed granite under high temperatures and analyzed the correlation between the failure mechanism of the rock mass with temperature and Mechanical characteristics and energy evolution in a rock mass Tingting LIU Cited by 699 of Wuhan University of Technology, Wuhan (WHUT) Read 53 publications Contact Tingting LIUTingting LIU Doctor of Engineering Wuhan 2020年3月6日  Granite mining produces some of the world's most beautiful stone Find out how granite is mined and how it is ultimately transformed into countertops Call now for assistance: 2014406779 Visit our 360 Virtual How is Granite Mined in 2024? Marble

Thermal Contact Resistance of Granite Joints Under Normal Stress

2023年8月17日  Heat transfer in jointed rock masses exhibits characteristics of discontinuous, heterogeneous, and anisotropic due to the effects of rock discontinuities In this work, thermal contact resistance (TCR) evolution of granite joints under normal stress was investigated A novel method was proposed for the measurement of TCR for rough rock joints A numerical 2024年1月31日  The results showed that the timedependent failure of jointed granite behave as two different forms, Taking the coal mining face in Xinhong 3#Mine as the study object, Timedependent failure characteristics of natural jointed granite 2013年7月1日  Triaxial strength tests were performed on intact (Alejano and Arzúa, 2013) and artificially jointed standardsize Blanco Mera granite specimens Two types of jointed patterns were then tested Dilation in granite during servocontrolled triaxial strength tests2022年6月1日  This showed that rapid cooling caused more cracks and more damage to granite specimens This is caused by two reasons: on the one hand, compared with natural cooling, the heat exchange is more Mechanical behaviour and failure modes of hightemperature jointed

Dynamic properties and failure mechanism of granite with non

2023年9月1日  Moreover, there is a good power function relationship between the dynamic increase factor and loading rate of the prefabricated jointed rock specimen when the loading rate is low to medium As the inclination angle of the joint increases, the failure mode of the specimen transitions from tensile splitting failure → mixed tensile–shear failure → main shear failure → Hecla Mining Company; Kiewit Building Group, Inc National Science Foundation; Arzua, J, and Markley, T* 2018 Crack Damage Parameters and Dilatancy of Artificially Jointed Granite Samples Under Triaxial Compression Rock Mechanics and Rock Engineering, 51(6), 16371656 DOI: 101007/s0060301814331Research Computational Geomechanics Research Group2023年8月17日  Most rockbursts are associated with jointed rock masses as the energy stored inside the rock is prone to abruptly release at such discontinuities Moreover, remote blasting at working faces can trigger the brittle failure of jointed rocks at opening boundaries In this work, a testing system combining truetriaxial compression with dynamic disturbance is employed to Failure Modes of Jointed Granite Subjected to Weak Semantic 1977年1月1日  In situ elastic and transport properties were measured as a function of compressive stress to 200 bars for a variety of load psths on a 3m cube of jointed granite near Laramie, Wyoming The specimen contained 3 vertical joints which are parallel to a set of welldeveloped microfractures Measurements were made parallel and normal to the joints across Elastic and transport properties of an in situ jointed granite

Strength and dilation of jointed granite specimens in

2014年7月1日  Request PDF Strength and dilation of jointed granite specimens in servocontrolled triaxial tests We investigated the complete stress–strain response of artificially jointed granitic rock 2023年8月17日  Most rockbursts are associated with jointed rock masses as the energy stored inside the rock is prone to abruptly release at such discontinuities Moreover, remote blasting at working faces can trigger the brittle failure of jointed rocks at opening boundaries In this work, a testing system combining truetriaxial compression with dynamic disturbance is employed to Failure Modes of Jointed Granite Subjected to Weak Dynamic2021年2月16日  Figures 4 and 5 show the stress–strain curves of intact granite, conjugate jointed granite and echelon jointed granite samples after heating to a high temperature and rapid cooling By calculating and analyzing the change in elastic modulus, peak stress and peak strain, it is found that in the temperature range of 25–800 °C, the elastic modulus and peak stress Fracture Mechanics Behavior of Jointed Granite Exposed to 2017年5月1日  Triaxial strength tests were performed on artificially jointed standardsize granite specimens with two subvertical and three subhorizontal (2+3) jointsTriaxial strength and deformability of intact and increasingly jointed

The permeability of whole and jointed Barre Granite

1979年8月1日  The permeability of whole and jointed Barre granite was measured at pressures up to 2 kbars Jointed samples were actually split cylinders joined by surfaces with controlled surface roughness Samples with induced tension fractures were also measured The permeability of the whole rock ranged from about 10 −6 to 10 −7 darcies2014年7月1日  We investigated the complete stress–strain response of artificially jointed granitic rock specimens with two joint sets A series of confined compressive tests on these jointed rock specimens were performed in a fully servocontrolled press Elastic, strength and postfailure parameters were calculated and analysed, with special attention paid to the dilation angleStrength and dilation of jointed granite specimens in servo 2020年2月1日  Joint waviness is one of the important parameters of joint that need to be considered in civil and mining engineering design of structures built in or on jointed rock masses However, this parameter is often overlooked by designers In this study the mechanical properties of laboratory scale jointed granite with both planar and nonplanar joints of different joint Investigation of mechanical properties of jointed granite 2014年7月1日  Strength and dilation of jointed granite specimens in servocontrolled triaxial tests Author links open overlay panel J Arzúa a, LR Alejano a, G Walton b Show more Add to Mendeley Proceedings of the 6th international symposium on ground support in mining and civil engineering construction, Cape Town; 2008, p 37–60 Strength and dilation of jointed granite specimens in servo

The permeability of whole and jointed Barre Granite

1979年8月1日  The permeability of whole and jointed Barre granite was measured at pressures up to 2 kbars Jointed samples were actually split cylinders joined by surfaces with controlled surface roughness

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