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Proceedings Papers

Temporal Variation in CT Values of Pore Water in Granite Fracture Subjected to Long-Term Confining Pressure and Temperature

S. Nakashima, Y. Isumi, C. Song, K. Kishida
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0418
DOI: https://doi.org/10.56952/ARMA-2022-0418
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View Paper titled, Temporal Variation in CT Values of Pore Water in Granite Fracture Subjected to Long-Term Confining Pressure and Temperature
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Proceedings Papers

X-Ray CT Imaging of Cement Grouted Rock and Its Segmentation With Machine Learning Algorithm

C. Tagawa, S. Nakashima, Y. Yoshizu, H. Iseki, K. Kishida
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1446
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View Paper titled, X-Ray CT Imaging of Cement Grouted Rock and Its Segmentation With Machine Learning Algorithm
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Proceedings Papers

Comparison of X-Ray CT and 3D Laser Profiler for Rock Fracture Surface Measurements

T. Ueno, R. Yoshida, S. Nakashima, Y. Yoshizu, C. Song, K. Kishida
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0470
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View Paper titled, Comparison of X-Ray CT and 3D Laser Profiler for Rock Fracture Surface Measurements
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Proceedings Papers

Long-Term Permeability Experiments of a Single Fracture in Granite Under Thermal Conditions and Evaluation of the Aperture Distribution Through Microfocus X-Ray CT

C. L. Song, S. Nakashima, H. Yasuhara, K. Iseki, K. Kishida
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0393
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View Paper titled, Long-Term Permeability Experiments of a Single Fracture in Granite Under Thermal Conditions and Evaluation of the Aperture Distribution Through Microfocus X-Ray CT
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Proceedings Papers

Co-Registration of CT Images by SIFT Method and Observation of Temporal Changes in Granite Fracture Aperture Under Long-Term Loading

R. Yoshida, S. Nakashima, Y. Yoshizu, C. Song, K. Kishida
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1253
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View Paper titled, Co-Registration of CT Images by SIFT Method and Observation of Temporal Changes in Granite Fracture Aperture Under Long-Term Loading
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Proceedings Papers

Observation and Quantification of Fracture Aperture in Granite Core Using X-Ray Tomography and Edge Detection Technique

S. Nakashima, T. Sakamoto, H. Yasuhara, K. Kishida
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0247
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View Paper titled, Observation and Quantification of Fracture Aperture in Granite Core Using X-Ray Tomography and Edge Detection Technique
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Proceedings Papers

Evaluation of Cutoff Time on Slide-Hold-Slide Process of Single Rock Joint in Consideration of the Heating Influence

K. Kishida, K. Matsumoto, T. Yano, S. Nakashima, H. Yasuhara
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0696
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View Paper titled, Evaluation of Cutoff Time on Slide-Hold-Slide Process of Single Rock Joint in Consideration of the Heating Influence
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Proceedings Papers

DEM Simulation of Brazilian Tensile Failure of Hard Rock in Consideration of Element Configuration

S. Nakashima, T. Sakamoto, K. Taguchi, N. Shimizu
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-458
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View Paper titled, DEM Simulation of Brazilian Tensile Failure of Hard Rock in Consideration of Element Configuration
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Proceedings Papers

Evolution of Mechanical and Hydraulic Properties in Sandstone Induced by Mineral Trapping

H. Yasuhara, N. Kinoshita, S. Nakashima, K. Kishida
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7112
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View Paper titled, Evolution of Mechanical and Hydraulic Properties in Sandstone Induced by Mineral Trapping
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Proceedings Papers

Loading Conditions in the Brazilian Test Simulation by DEM

S. Nakashima, K. Taguchi, A. Moritoshi, N. Shimizu, T. Funatsu
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-515
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View Paper titled, Loading Conditions in the Brazilian Test Simulation by DEM
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Proceedings Papers

Long-term Observation of Rock Permeability under High Pressure and Temperature Conditions and its Microstructural Interpretation

H. Yasuhara, N. Kinoshita, M. Takahashi, S. Nakashima, K. Kishida
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-236
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View Paper titled, Long-term Observation of Rock Permeability under High Pressure and Temperature Conditions and its Microstructural Interpretation
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Proceedings Papers

Long-term Evolution of Rock Permeability In Sandstone And Mudstone Under Pressure- And Temperature-controlled Conditions

H. Yasuhara, N. Kinoshita, S. Nakashima, K. Kishida
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-151
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View Paper titled, Long-term Evolution of Rock Permeability In Sandstone And Mudstone Under Pressure- And Temperature-controlled Conditions
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Proceedings Papers

Stirred-Flow-Through Experiments of Granite Under Temperature And PH Conditions Controlled

H. Yasuhara, N. Kinoshita, S. Nakashima, K. Kishida
Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-156
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View Paper titled, Stirred-Flow-Through Experiments of Granite Under Temperature And PH Conditions Controlled
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Proceedings Papers

Measurement of Fracture Aperture In Granite Core Using Microfocus Xray CT

S. Nakashima, D. Hasegawa, K. Kishida, H. Yasuhara
Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-205
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View Paper titled, Measurement of Fracture Aperture In Granite Core Using Microfocus Xray CT
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Proceedings Papers

Experimental Study On Shear Strength Recovery of Single Rock Fracture Through Slide-hold-slide Direct Shear Test And Its Modeling

K. Kishida, Y. Kawaguchi, S. Nakashima, H. Yasuhara
Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-365
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View Paper titled, Experimental Study On Shear Strength Recovery of Single Rock Fracture Through Slide-hold-slide Direct Shear Test And Its Modeling
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Proceedings Papers

Evolution of Fracture Permeability In Granite And Its Evaluation Via Coupled Chemo-Mechano Conceptual Model

H. Yasuhara, N. Kinoshita, S. Nakashima, K. Kishida
Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-013
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View Paper titled, Evolution of Fracture Permeability In Granite And Its Evaluation Via Coupled Chemo-Mechano Conceptual Model
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Proceedings Papers

Evolution of Shear Strength And Permeability During Shear-holding In a Simulated Rock Fracture Under Moderate Stress And Room Temperature Condition

Y. Kawaguchi, S. Nakashima, K. Kishida, H. Yasuhara, Y. Takao, T. Hosoda
Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-150
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View Paper titled, Evolution of Shear Strength And Permeability During Shear-holding In a Simulated Rock Fracture Under Moderate Stress And Room Temperature Condition
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Proceedings Papers

Estimation of ground stability in considering groundwater and air bubbles using multiphase simulator

K. Kishida, T. Hosoda, S. Nakashima, N. Jacimovic, T. Kodaka, H. Yasuhara
Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-250
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View Paper titled, Estimation of ground stability in considering groundwater and air bubbles using multiphase simulator
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