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Proceedings Papers

Tool Development and Field Test of the Stress Measurement Method with Dual Bit Coring Applicable to Geothermal Fields

T. Ito, K. Kaneko, M. Sasaki, K. Ogawa, T. Yokoyama, A. Funato, K. Tezuka
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0561
https://doi.org/10.56952/ARMA-2024-0561
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View Paper titled, Tool Development and Field Test of the Stress Measurement Method with Dual Bit Coring Applicable to Geothermal Fields
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Proceedings Papers

Effect of Shear Thickening Fluid on the Hydraulic Fracturing Behavior

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
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0872
https://doi.org/10.56952/ARMA-2024-0872
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View Paper titled, Effect of Shear Thickening Fluid on the Hydraulic Fracturing Behavior
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Proceedings Papers

Rock slope stability issues in Afghanistan

A.B. Jahed, T. Ito, Ö. Aydan, N. Z. Nasiry
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-22
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View Paper titled, Rock slope stability issues in Afghanistan
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Proceedings Papers

An integrated approach for monitoring movements and stability of slopes

N. Tokashiki, T. Ito, Ö. Aydan, N. Shimizu, N. Iwata, K. Kanose, Y. Saruwatari, H. Takamura, T. Kuroda, K. Suzuki, T. Miyagi, N. Okabe, Y. Shuri, S. Nakamine
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-07
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View Paper titled, An integrated approach for monitoring movements and stability of slopes
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Proceedings Papers

A Trap-door experimental study on dynamic loads on the support of underground openings due to earthquake shaking

M. Tamashiro, Ö. Aydan, T. Ito, N. Malistani
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-33
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View Paper titled, A Trap-door experimental study on dynamic loads on the support of underground openings due to earthquake shaking
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Proceedings Papers

Effect of water content on the physico-mechanical properties of mudstone of Shimajiri Formation and its water absorption and desorption characteristics

T. Ito, Ö. Aydan, N. Tokashiki
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-55
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View Paper titled, Effect of water content on the physico-mechanical properties of mudstone of Shimajiri Formation and its water absorption and desorption characteristics
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Proceedings Papers

Utilization of Impression Creep Tests as Index Testing Technique in Rock Mechanics and Rock Engineering

Ö. Aydan, T. Ito, N. T. Özcan, F. Rassouli, Í. Özkan
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0217
https://doi.org/10.56952/ARMA-2022-0217
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View Paper titled, Utilization of Impression Creep Tests as Index Testing Technique in Rock Mechanics and Rock Engineering
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Proceedings Papers

Experimental Study on Fracturing and Proppant Setting in Unconsolidated Sand Formation

R. Zhang, T. Ito, N. Tenma
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0687
https://doi.org/10.56952/ARMA-2022-0687
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View Paper titled, Experimental Study on Fracturing and Proppant Setting in Unconsolidated Sand Formation
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Proceedings Papers

Development and Application of High Stiffness Hydraulic Fracturing Systems for Stress Measurements Corresponding to New Standard in Japan

T. Yokoyama, A. Funato, T. Ito, K. Ogawa, T. Nayuki
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1850
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View Paper titled, Development and Application of High Stiffness Hydraulic Fracturing Systems for Stress Measurements Corresponding to New Standard in Japan
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Proceedings Papers

Effect of System Compliance on Pressure-Time Curve at Reopening and New Standard in Japan

T. Ito, T. Yokoyama
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2069
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View Paper titled, Effect of System Compliance on Pressure-Time Curve at Reopening and New Standard in Japan
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Proceedings Papers

Experimental Verification of the Dual Bit Coring Method Developed for Stress Measurement Applicable in Deep and High Temperature Environment

T. Ito, A. Kumazawa, K. Tezuka, T. Yokoyama, K. Ogawa, A. Funato
Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-2106
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View Paper titled, Experimental Verification of the Dual Bit Coring Method Developed for Stress Measurement Applicable in Deep and High Temperature Environment
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Proceedings Papers

In - situ Stress Constraints on the Focal Mechanisms of Induced Seismicity

Y. Mukuhira, T. Ito, M. C. Fehler, M. Naoi, H. Moriya, H. Asanuma, M. O. Häring
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-157
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View Paper titled, In - situ Stress Constraints on the Focal Mechanisms of Induced Seismicity
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Proceedings Papers

Shock Tests and Some Considerations

Ö. Aydan, T. Ito, N. Tokashiki, S. Kodate
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-120
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Proceedings Papers

Experimental Study of Tip Screenout Fracturing by Using CT Scanner

T. Ito, H. Yoshida, K. Yamamoto, Y. Tsuchiya
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1696
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View Paper titled, Experimental Study of Tip Screenout Fracturing by Using CT Scanner
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Proceedings Papers

Effect of Capillary Force on Performance of Shale Rock Fracturing

B. L. Liu, A. Suzuki, T. Ito
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0295
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View Paper titled, Effect of Capillary Force on Performance of Shale Rock Fracturing
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Proceedings Papers

A Fundamental Study on the Foundations in Ryukyu Limestone Formation and the Shear Properties of Interfaces and Discontinuities Under Static and Dynamic Loading Conditions

Y. Araki, T. Ito, J. Tomiyama, Y. Suda, K. Horiuchi, N. Tokashiki, Ö. Aydan, Y. Shuri
Paper presented at the ISRM Rock Dynamics Summit, May 7–11, 2019
Paper Number: ISRM-RDS-2019-047
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View Paper titled, A Fundamental Study on the Foundations in Ryukyu Limestone Formation and the Shear Properties of Interfaces and Discontinuities Under Static and Dynamic Loading Conditions
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Proceedings Papers

Comparison of Stress Field Change Around a Fault by Dynamic Fault Rupture Simulation Using 3D-FEM

N. Iwata, R. Kiyota, Ö. Aydan, T. Ito, F. Miura
Paper presented at the ISRM Rock Dynamics Summit, May 7–11, 2019
Paper Number: ISRM-RDS-2019-036
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View Paper titled, Comparison of Stress Field Change Around a Fault by Dynamic Fault Rupture Simulation Using 3D-FEM
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Proceedings Papers

Effects of Fault Geometry and Subsurface Structure Model on the Strong Motion and Surface Rupture Induced by the 2014 Kamishiro Fault Nagano Earthquake

N. Iwata, R. Kiyota, Ö. Aydan, T. Ito, F. Miura
Paper presented at the ISRM Rock Dynamics Summit, May 7–11, 2019
Paper Number: ISRM-RDS-2019-035
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View Paper titled, Effects of Fault Geometry and Subsurface Structure Model on the Strong Motion and Surface Rupture Induced by the 2014 Kamishiro Fault Nagano Earthquake
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Proceedings Papers

Spatial Variation in Stress in Seismogenic Zones in South African Gold Mines

H. Ogasawara, A. Ishida, K. Sugimura, Y. Yabe, S. Abe, T. Ito, A. Funato, H. Kato, B. Liebenberg, G. Hofmann, L. Scheepers, R. J. Durrheim, _ The SATREPS & DSeis teams
Paper presented at the ISRM Rock Dynamics Summit, May 7–11, 2019
Paper Number: ISRM-RDS-2019-005
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View Paper titled, Spatial Variation in Stress in Seismogenic Zones in South African Gold Mines
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Proceedings Papers

The Effect of Cave-Filling of Abandoned Lignite Mines in Tokai Region, Japan Against an Anticipated Mega-Earthquake

T. Ito, Ö. Aydan, K. Sugiura, A. Sakamoto
Paper presented at the ISRM Rock Dynamics Summit, May 7–11, 2019
Paper Number: ISRM-RDS-2019-070
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View Paper titled, The Effect of Cave-Filling of Abandoned Lignite Mines in Tokai Region, Japan Against an Anticipated Mega-Earthquake
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