Publications in English*Some of the publications can be downloaded from university repository HUSCAP. Books Fujii, Y., Sheshpari, M., Kodama, J., Fukuda, D., Dassanayake, A. B. N. (2021), Prevention of Catastrophic Volcanic Eruptions, Large Earthquakes underneath Big Cities and Giant Earthquakes at Subduction Zones, In Prime Arcives in Sustainability, 2nd. Edition, Ed.by Nikologianni, A., Vide Leaf, Hyderabad, India. Fujii, Y. and Ishijima, Y. (1998), Simple Constitutive Equations for Brittle Rocks, Based on Strain-Dependent Stiffness, Advances in Rock Mechanics, Eds. by Lin, Y. et al., World Scientific Publishing, Singapore, New Jersey, London, Hong Kong, pp. 186-193 On (mass) media Press release by Seismological Society of America on 2011 Meeting Scientists explore if we're in 'age of great quakes', U-T San Diego, by Gary Robbins, Apr. 10, 2011 Invited presentation Alam, AKM, B. and Fujii, Y. (2024), Instability of shale at a slope: A case from Chattogram, Bangladesh, GeoShanghai 2024, May 27, Shanghai, China. Fujii, Y. (2020), Failure Criterion based on Extensile Strain and Rock Failure Prediction by Displacement Rate, Nov. 7, Xi'an University of Architecture & Technology, Xi'an, China (remote presentation from Sapporo, Japan). Fujii, Y. (2019), Control and Prevention of Catastrophic Disasters, Sep. 10, Xi'an University of Architecture & Technology, Xi'an, China. Fujii, Y. (2017), Geological Disposal of High-level Radioactive Waste in Japan and the Role of Rock Engineering, Invited Speech, ISERME (International Symposium on Earth Resources Management & Environment) 2017, Proc. ISERME 2017, p. 2, Aug. 29, Colombo, Sri Lanka. Fujii, Y. (2016), What Should We Do to Improve the Future for Humans? Proc. ASEAN++, Keynote speaking 1, pp. 775-785, Jul, 28, Bangkok, THAILAND. Articles on Journals Sinkala, P., Nishihara. M., Nakayama, Y., Fujii, Y., Kodama, J., Fukuda. d. and Chanda, E. (2023), Creep Damage Model for Rockburst at Mufulira Mine in Zambia, Mining Engineering, Jan., pp. 8-9. Fujii, Y. (2008), Environmental Buisiness... E:VISION, Spring, 2008, p. 2 Fujii, Y. (1997), Circumferential Strain of Brittle Rocks Under Compression, ROCKbits, Rock Mechanics Research Center, The University of Oklahoma, Vol.4, No.1, p.3, Nov. 1997. Journal papers Li, Z., Fujii, Y., Matsumoto, H., Dzimunya, N., Kodama, J., Kiyama, T. and Alam, AKM B. (2025), Roadway Deformation of Room-and-Pillar Mining at Kushiro Colliery, Japan, Geotech. Geol. Eng., Vol. 43, No. 172, https://doi.org/10.1007/s10706-025-03149-4. Dzimunya, N., Fujii, Y., Li, Z., Amagu, A. C. (2025), Assessing pillar design strategies in hard rock room-and-pillar mining: A review and case studies from the Great Dyke of Zimbabwe, Mining, Metallurgy & Exploration, https://doi.org/10.1007/s42461-025-01200-9/s42461-025-01200-9 Zhang, C., Clement, A., Kodama, J., Sainoki, A., Fujii, Y., Fukuda, D., Wang, S. (2024), Effect of the connectivity of weak rock zones on the mining-induced deformation of rock slopes in an open-pit mine, Sustainability, Vol. 16, 5974, https://doi.org/10.3390/su16145974 Gang, M., Nonaka, S., Utashiro, K., Kodama, J., Nakamura, D., Fujii, Y., Fukuda, D. and Wang, S. (2024), Impacts of frost heave susceptibility and temperature-changing conditions on freeze-thaw deterioration of welded tuffs, Cold Regions Science and Technology, Vol. 225, 104270, doi: 10.1016/j.coldregions.2024.104270 Kiryukhin, A. V., Fujii, Y., Alam, A. and Chernykh, E. V. (2024), The magnitudes of seismic events induced by fluid injections into the Earth's crust, J. Volcanology and Seismology, Vo. 18, No. 2, pp. 111-118, DOI: 10.1134/S0742046324700519. Alam, B., Aramaki, N., Tamamura, S., Ueno, A., Murakami, T., Fujii, Y. and Kaneko, K. (2024), Induced oxidation effects on physical and mechanical properties of lignite from Tempoku, Hokkaido, Japan for sustainable mining via subsurface cultivation and gasification method, Journal of Sustainable Mining, Vol. 23: Iss. 3 , Article 3., https://doi.org/10.46873/2300-3960.1418 Li, Z. X., Fujii, Y., Alam, A. K. M. B., Li, Z. H., Du, F. and Wei, W. J. (2024), Implementing a simple 2D constitutive model for rocks into finite element method, Computers and Geotechnics, Vol. 167, DOI: 10.1016/j.compgeo.2024.106095 Wang, K., Pan, H. and Fujii, Y. (2024), Study on energy distribution and attenuation of CO2 fracturing vibration from coal-like material in a new test platform, Fuel, Vol. 356, Jan. 2024, 129584, https://doi.org/10.1016/j.fuel.2023.129584 Alam, A. K. M. B., Fujii, Y., Dipu, N. H., Chakma, T., Neogi, P., Ullah, A. S. M. W. and Abdullah, R. A. (2023), Potential of carboxymethyl cellulose solution to increase the shale stability, Scientific, Reports, 13:17388, https://doi.org/10.1038/s41598-023-44417-8 Wang, K., Pan, H. and Fujii, Y. (2023), Strain Field Characteristics of Coal-like Material under CO2 Fracturing, ACS OMEGA, Virtual Special Issue "CO2 Geostorage", https://doi.org/10.1021/acsomega.3c04046 Dzimunya, N., Fujii, Y. and Kawamura, Y. (2023), Integrating the effect of abutments in estimating the average vertical stress of elastic hard rock pillars by combining numerical modelling and artificial neural networks, Underground Space, Vol. 13, pp. 121-135, https://doi.org/10.1016/j.undsp.2023.03.008. Alam, A. K. M. B., Fujii, Y., Dipu, N. H., Boeurt, S. and Rahim, B. A. (2023), Importance of Stress and Temperature-Dependent Permeability of Rocks and its Application in Underground Nuclear Waste Disposal, MIST International Journal of Science and Technology, Vol. 11, pp. 39-49. Li, Z., Fujii, Y., Kodama, J., Fukuda, D., Dassanayake, A. B. N. and Sinkala, P. (2022), A Three-Dimensional Constitutive Model for Rocks Based on a Strain-Dependent Elastic Modulus, Lithosphere, Vol. 2021 (Special 7), 1409110, https://doi.org/10.2113/2022/1409110 Alam, A. K. M. B., Fujii, Y., Eidee, S. J., Boeut, S. & Rahim, A. B. (2022), Prediction of mining-induced subsidence at Barapukuria longwall coal mine, Bangladesh, Scientific Reports, 12:14800, https://doi.org/10.1038/s41598-022-19160-1 Sinkala, P., Nishihara. M., Nakayama, Y., Fujii, Y., Kodama, J., Fukuda. d. and Chanda, E. (2022), Creep Damage Model for Rockburst at Mufulira Mine in Zambia, Mining, Metallurgy & Exploration, https://doi.org/10.1007/s42461-022-00668-z Chen, H., Shao, Z., Fujii, Y. (2022), Experimental investigation on creep behavior of deep brittle rocks, Materials, 15, 1877, https://doi.org/10.3390/ma15051877 Fujii, Y., Ikeda, N., Onoe, Y., Kanai, Y., Hayakawa, T., Awaji, D., Kodama, J. Fukuda, D., Alam, A. K. M. B. and Dassanayake, A. B. N. (2022), A case study on severe damage at a tunnel in serpentinite rock mass, SN Appl. Sci., 4, 34, doi.org/10.1007/s42452-021-04924-7 Amagu, A. C., Zhang, C., Kodama, J., Shioya, K., Yamaguchi, T., Sainoki, A., Fukuda, D., Fujii, Y. and Sharifzadeh, M. (2021), Displacement Measurements and Numerical Analysis of Long-Term Rock Slope Deformation at Higashi-Shikagoe Limestone Quarry, Japan, Advances in Civil Engineering, Vol. 2021, Article ID 1316402, https://doi.org/10.1155/2021/1316402 Khurshid, I. and Fujii, Y. (2021), Geomechanical analysis of formation deformation and permeability enhancement due to low-temperature CO2 injection in subsurface oil reservoirs, Journal of Petroleum Exploration and Production, https://doi.org/10.1007/s13202-021-01133-1 Fukuda, D., Liu, H., Zhang, Q., Zhao, J., Kodama, J., Fujii, Y. and Chan, A. (2021), Modelling of dynamic rock fracture process using the finite-discrete element method with a novel and efficient cintact activation scheme, Int. J. Rock Mech. Min. Sci., Vol. 138, doi:/10.1016/j.ijrmms.2021.104645. Li, S., Wu, Y., Huo, R., Song, Z., Fujii, Y. and Shen, Y. (2020), Mechanical Properties of Acid-corroded Sandstone Under Uniaxial Compression. Rock Mech Rock Eng., https://doi.org/10.1007/s00603-020-02262-5 Boeut, S., Fujii, Y., Kodama, J., Fukuda, D., Dassanayake, A. and Alam, A.K.M.B. (2020), Laboratory Investigation on the Permeablity Variation of Fractured Inada Granite by Multiple Transient Axial Stress Disturbances, Pure Appl. Geophys., doi/10.1007/s00024-020-02565-2. Fukuda, D., Nihei, E., Cho, S.-H., Oh, S., Nara, Y., Kodama, J. and Fujii, Y. (2020), Development of a numerical simulator for 3D analysis of dynamic fracture processes of rocks based on a hybrid FEM-DEM using an extrinsic cohesive zone model, Materials Transactions, doi/10.2320/matertrans.Z-M2020833 Fujii, Y., Saito, S., Oshima, T., Kodama, J., Fukuda, D., Sakata, S., Uchida, K., Matsumoto, H. and Dassanayake, A. B. N. (2020), Complete Slaking Collapse of Dike Sandstones by Fresh Water and Prevention of the Collapse by Salt Water, International Journal of Rock Mechanics and Mining Sciences, Vol. 131, doi/10.1016/j.ijrmms.2020.104378. Kodama, J., Mitsui, Y., Hara, S., Fukuda, D., Fujii, Y., Sainoki, A. and Karakus, M. (2019), Time-dependence of mechanical behavior of Shikotsu welded tuff at sub-zero temperature, Cold Regions Science and Technology, Vol. 168, 102868, doi/10.1016/j.coldregions.2019.102868 Fukuda, D., Mohammadnejad, M., Liu, H., Zhang, Q., Zhai, J., Dehkhoda, S., Chan, A., Kodama, J.-I. and Fujii, Y. (2019), Development of a 3D Hybrid Finite-Discrete Element Simulator based on GPGPU- Parallelized Computation for Modelling Rock Fracturing under Quasi-Static and Dynamic Loading Conditions, Rock Mechanics and Rock Engineering, doi/10.1007/s00603-019-01960-z Li, S., Huo, R., Fujii, Y., Ren, D. and Song, Z. (2019), Effect of acid-temperature-pressure on the damage characteristics of sandstone, Int. J. Rock Mech. Min. Sci., Vol. 122, doi/10.1016/j.ijrmms.2019.104079. Boeut, S., Oshima, T., Fujii, Y., Kodama, J., Fukuda, D., Matsumoto, H., Uchida, K. and Dassanayake, A.B.N. (2019), Variation in the Permeability of Intact and Fractured Rocks due to Transient Disturbances in Axial Stress or Pore Pressure, Advances in Civil Engineering, Vol. 2019, 1312746, doi:/10.1155/2019/1312746. Fukuda, D., Mohammadnejad, M., Liu, H., Dehkhoda, S., Chan, A., Cho, S.-H., Min, GJ, Han, H., Kodama, J. and Fujii, Y. (2019), Development of a GPGPU-Parallelized Hybrid Finite-Discrete Element Method and Applications in Rock Fracture Modeling, Int. J. Numerical and Analytical Methods in Geomechanics, Vol. 43, Issue 10, pp. 1797-1824, doi:/10.1002/nag.2934
Huo, R., Li, S., Song, Z., Fujii, Y., Lei, S., Mao, J. Tian, S. and Miao, Z. (2019), Analysis of Vibration Response Law of Multistory Building under Tunnel Blasting Loads, Advances in Civil Engineering, Vol. 2019, Article ID 4203137, doi:/10.1155/2019/4203137 Yasidu, U., Fujii, Y., Kodama, J.-I., Fukuda, D., Maneya, G., Dandadzi, J. and Dassanayake, ABN. (2019), Influences of water vapor on roof fall accidents in selected underground coal mines in Malawi, Advances in Civil Engineering, Vol. 2019, Article ID 5350686, doi:/10.1155/2019/5350686 Fujii, Y., Ichihara, Y., Matsumoto, H., Kodama, J.-I., Fukuda, D. and Dassanayake, A.B.N. (2018), Water drainage from Kushiro Coal Mine decreased on the day of all M ≥ 7.5 earthquakes and increased thereafter, Scientific Reports, Vol. 8, 16472, doi:/10.1038/s41598-018-34931-5
Fujii, Y., Makasi, M., Kodama, J., Fukuda, D., Goto, K.,
Kumakura S., Kanaoka, M. and Dassanayake, A.B.N. (2018),
Tangent Modulus Method - An Original Method to Measure In-Situ
Rock Stress, Tunnelling and Underground Space Technology, Vol.
82, pp. 148-155, doi: 10.1016/j.tust.2018.08.005
Fujii, Y., Sheshpari, M., Kodama, J., Fukuda, D., Dassanayake, A. B. N. (2018), Prevention of Catastrophic Volcanic Eruptions, Large Earthquakes
underneath Big Cities and Giant Earthquakes at Subduction Zones, Sustainability, Vol. 10, No. 6, doi: 10.3390/su10061908
Sheshpari, M., Fujii, Y. and Tani, T. (2017), Underground Structures in Mars Excavated by Tunneling Methods for Sheltering Humans, Tunnelling and Underground Space Technology, Vol. 64, pp. 61-73. Khurshid, I., Fujii, Y. and Choe, J. (2015), Analytical Model to Determine Optimal Fluid Injection Time Ranges for Increasing Fluid Storage and Oil Recovery: A Reservoir Compaction Approach, Journal of Petroleum Science and Engineering, Vol. 135, pp. 240-245, doi: 10.1016/j.petrol.2015.09.007
Najib, Fukuda, D., Kodama, J. and Fujii, Y. (2015), The Deformation Modes of Rock Slopes due to Excavation in Mountain-type Mines, Materials Transaction, Vol. 56, No. 8, pp. 1159-1168, doi: 10.2320/matertrans.M-M2015814
Dassanayake, A.B.N., Fujii, Y., Fukuda, D. and Kodama, J. (2015), A New Approach to Evaluate Effective Stress Coefficient for Strength in Kimachi Sandstone, J. Petrol. Sci. Engng., Vol. 131, pp. 70-79, doi: 10.1016/j.petrol.2015.04.015
Alam, B., Fujii, Y., Fukuda, D., Kodama, J. and Kaneko, K. (2015), Fractured Rock Permeability as a Function of Temperature and Confining Pressure, Pure and Applied Geophysics, Vol. 172, No. 10, pp. 2871-2889, doi: 10.1007/s00024-015-1073-2
Alam, B., Niioka, M., Fujii, Y., Fukuda, D and Kodama, J. (2014), Effects of Confining Pressure on the Permeability of Three Rock Types under Compression, International Journal of Rock Mechanics and Mining Sciences, Vol. 65, pp. 49-61
Kodama, J., Miyamoto, T., Kawasaki, S., Fujii, Y., Kaneko, K. and Hagan, P. (2013), Estimation of Regional Stress State and Young's Modulus by Back Analysis of Mining-induced Deformation, International Journal of Rock Mechanics and Mining Sciences, Vol. 63, pp. 1-11
Kodama, J., Goto, T., Fujii, Y. and Hagan, P. (2013), The Effects of Water Content, Temperature and Loading Rate on Strength and Failure Process of Frozen Rocks, International Journal of Rock Mechanics and Mining Sciences, Vol. 62, No. 3, pp. 1-13
Fujii, Y., Ishijima, Y., Ichihara, Y., Kiyama, T., Kumakura, S., Takada, M., Sugawara, T., Narita, T., Kodama, J., Sawada, M. and Nakata, E. (2011), Mechanical Properties of Abandoned and Closed Roadways in the Kushiro Coal Mine, Japan, International Journal of Rock Mechanics and Mining Sciences, Vol. 48, No. 4, pp. 585-596.
Fujii, Y. (2011), The Role of Atmospheric Nuclear Explosions on the Stagnation of Global Warming in the Mid 20th Century, Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 73, Nos. 5/6, pp. 643-652, doi:10.1016/j.jastp.2011.01.005
Mufundirwa, A., Fujii, Y., Kodama, N. and Kodama, J. (2011), Analysis of natural rock slope deformations under temperature variation: A case from a cool temperate region in Japan, Cold Regions Science and Technology, Vol. 65, No. 3, pp. 488-500
Mufundirwa, A., Fujii, Y. and Kodama, J. (2010), A New Practical Method for Prediction of Geomechanical Failure-time, International Journal of Rock Mechanics and Mining Sciences, Vol. 47, No. 7, pp. 1079-1090.
Watanabe, Y., Itakura, K., Sato, K., Fujii, Y., Balusu, R., Guo, H. and Luo, X. (2005), A Modeling Method on Fractal Distribution of Cracks in Rocks using AE Monitoring, J. Acoustic Emission, Vol. 23, pp. 119-128 Fujii, Y. and Ishijima, Y. (2004), Consideration on Fracture Growth from an Inclined Slit and Inclined Initial Fracture at the Surface of Rock and Mortar in Compression, Int. J. Rock Mech. Min. Sci., Vol. 41, pp. 1035-1041
Fujii, Y., Kiyama, T., Ishijima, Y. and Kodama, J.
(1999), Circumferential Strain Behavior During Creep
tests of Brittle Rocks, Int. J. Rock Mech. Min. Sci.,
Vol. 36, No. 3, pp. 323-337
Fujii, Y., Kiyama, T., Ishijima, Y. and Kodama, J.
(1998), Examination of a Rock Failure Criterion Based on
Circumferential Tensile Strain, Pure and Applied
Geophysics, Vol. 152, No. 3, p. 551-577
Fujii, Y., Ishijima, Y. and Deguchi, G.(1997), Prediction of Coal Face Rockbursts and Microseismicity in Deep Longwall Coal Mining, Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol.34, No.1, pp. 85-96 Fujii, Y. and Ishijima, Y.(1991): Numerical Simulation on Microseismicity Induced by Deep Longwall Coal Mining, Min. Sci. & Technol., Vol.12, No.3, pp. 265-285
Sato, K. and Fujii, Y.(1989): Source Mechanism of a Large Scale Gas Outburst at Sunagawa Coal Mine in Japan, PAGEOPH, Vol.129, Nos.3/4, pp. 325-343, 1989 Sato, K. and Fujii, Y.(1988): Induced Seismicity Associated with Longwall Coal Mining, Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol.25, No.5, pp. 253-262 Conference papers Alam, AKM. B., Fujii, Y. and Dipu, N. H. (2024), Hydration-Induced Fracture Growth and Strength of Shale with Silt Layers: A Perspective on Slope Stability, ISRM Int. Symp. 2024 and 13th Asian Rock Mech. Symp (ARMS13), PP-10, Sep. 24, New Delhi, India. Silva, S.A.V., Rathnapriya R.H.D.L., Riyasath M.S.M., Dassanayake A.B.N., Fujii Y. and Wickrama M.A.D.M.G (2024), Assessing the influence of microstructural features on deformation of rocks under triaxial loading, Proc. ISERME2024, p. 23, Sep. 2, Sapporo, Japan. Alam, A.K.M.B., Fujii, Y., Dipu, N.H., Ghalib, F.H., Sajib, A.I. and Ullah, A.S.M.W. (2024), Comparative analysis of mechanical and mineralogical properties of rocks from Maddhapara Granite Mine, Bangladesh, Proc. ISERME2024, p. 26, Sep. 2, Sapporo, Japan. Boeut, S., Fujii, Y., Sieng, P, Kaing, S. and Alam, A.K.M.B. and Dzimunya, N. (2024), Characterization of geotechnical properties of Phnom Penh bedrock: A case study in Chrouy Chongvar and Dangkao districts, Proc. ARMA 2024, #24-1033, Golden, CO, US, June 25. Dzimunya, N. and Fujii, Y. (2024), A proposed framework to estimate pillar strength in room-and-pillar hard rock mines, Proc. ARMA 204, #24-116, Golden, CO, US, June 24. Alam, B, Fujii, Y. and Hasan, N. (2024), Potential of polyurethane to enhance the shale stability in an engineered slope, 6th Euro-Mediterranean Conference for Environmental Integration, Paper number 169, 15-18 May, Marrakesh, Morocco. Alam, B, Fujii, Y., Hasan, N. and Chakma, T. (2023), Hydration-induced fractures in shale: a perspective on slope stability, 5th Euro-Mediterranean Conference for Environmental Integration, Paper number 341, 2-5 Oct, Rende, Italy. Amagu, C. A., Zhang, C., Kodama, J., Shioya, K., Yamaguchi, T., Sainoki, A., Fukuda, D., Fujii, Y., Sharifzadeh, M. (2023), 3-D Analysis of Rock Slope Deformation at Higashi-shikagoe Limestone Quarry, Japan, Proc. 26th World Mining Congress, pp. 2423-2433, Brisbane, Australia, June 28, 2023 Ikawa, W., Fukuda, D., Takahashi, Y., Saburi, T., Kubota, S., Kodama, J. and Fujii, Y. (2022), Development of a Blasting Simulator Considering Gas-Rock Interaction, Proc. of International Symposium on Earth Resources Management and Environment (ISERME) 2022, 2 Dec 2022, Paper ID: ISERME2022-02. Amagu, C. A., Zhang, C., Kodama, J., Shioya, K., Yamaguchi, T., Sainoki, A., Fukuda, D., Fujii, Y., Sharifzadeh, M. and Saydam, S. (2022), An analysis of impact of weak formation on mining-induced deformation of rock slope, AUSRock, Nov. 30, Melbourne, Australia. Alam, A.K.M. B., Fujii, Y., Eidee, S. J. and Ullah, A.S.M. W. (2022), Potential of CMC to increase the stability of shale at a slope, Proc. ARMS12, No. A33, Nov. 23, Hanoi, Vietnam. Alam, A. K. M. B., Fujii, Y., Islam, N., Rahman, Md. A., Hasan, A. Al., Hasan, Md. A. (2021), Stability of shale at a slope, IOP Conf. Ser.: Earth Environ. Sci., 861, 062010, https://iopscience.iop.org/article/10.1088/1755-1315/861/6/062010 Fukuda, D., Cho, S. H., Min, G. J., Liu, H. Y., Kodama J. and Fujii, Y. (2021), Development of a 3-D Dynamic Fracture Process Analysis code to Simulate Intermediate Loading Rate, IOP Conf. Ser.: Earth Environ. Sci., 861, 42075, https://iopscience.iop.org/article/10.1088/1755-1315/861/4/042075 Zhang. C., Amagu, C. A., Kodama, J., Sainoki, A., Ogawa, S., Umeda, C., Fujii, Y. and Fukuda, D. (2012), Numerical analysis of impact of fault and weak rock formation on mining-induced deformation of rock slope, IOP Conf. Ser.: Earth Environ. Sci., 861, 032087, https://iopscience.iop.org/article/10.1088/1755-1315/861/3/032087 Li, Z., Fujii, Y., Kodama, J. and Fukuda, D. (2021), Modification of the 2-D Simple Constitutive Model for Rocks based on the Strain-dependent Elastic Modulus, 3K0101-08-061, MMIJ Fall Annual Meeting, Online, Sep. 16. Pardon, S., Fujii, Y., Kodama, J., Fukuda, D. and Ellan, C. (2021), Brittle creep failure as the rockburst mechanism at Mufulira Mine, Copperbelt Province, Zambia, 3K0101-08-07, MMIJ Fall Annual Meeting, Online, Sep. 16. Cheng, Z., Clement, A., Kodama, J., Sainoki, A., Ogawa, S., Umeda, C., Fujii, Y.and Fukuda, D. (2021), Impact of fault and weak rock formation on mining-induced deformation of rock slope in open-cut quarry, 3K0109-13-01, MMIJ Fall Annual Meeting, Online, Sep. 16. Dassanayake, A., Fujii, Y. and Thirukumaran, A. (2021), Effective Stress Coefficient Through MFEM and Confining Pressure Dependency of Bibai Sandstone, 2021 Moratuwa Engineering Research Confernce (MERCon), T2-4, July 28, Moratuwa, Sri Lanka. Alam, A. K. M. B., Fujii, Y., Razo, S. A. and Ahmed, S. M. (2020), Mining-induced Subsidence Prediction by Displacement Discontinuity Method, ISERME 2020 (International Symposium on Earth Resources Management & Environnent), pp. 10-26, Dec. 22, Colombo, Sri Lanka. Thirukumaran, A., Dananjaya, L., Dilshan, T., Dassanayake, A., Jayawardane, C., Wickrama, M., Fujii, Y. and Boeut, S. (2020), Stability analysis of slopes in Aruwakkalu Limestone Mine during rain: A finite element approach, 2020 Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 2020, pp. 537-542, doi: 10.1109/MERCon50084.2020.9185268. Li, Z., Wang, J., Fujii, Y., Kodama, J-I. and Fukuda, D. (2020), The effects of loose top-coal on the mining pressure of support in longwall top-coal caving mining, MMIJ Spring Meeting 2020, 1K62507-18-12, 3/15, Chiba, Japan. Amagu, C., Uy, R., Kodama, J.-I., Fukuda, D., Fujii, Y., Iwasaki, H. and Ikegami, S. (2019), Continuous measurements of rock slope displacement in an open-pit limestone quarry, Japan, Proc. of International Symposium on Rock Mechanics and Engineering for Sustainable Energy-The 35th VSRM Anniversary, Hanoi Vietnam, Nov. 2019, pp. 223-236. Fukuda, D., Mohammadnejad, M., Liu, H., Haoyu, H., Kodama, J.-I. and Fujii, Y. (2019), Recent development and application of hybrid finite-discrete element simulator for rock failure process, Paper ID: 2-3-1, ISRM2019 Specialized Conference YSRM2019 & REIF2019. 1-4 December 2019, Okinawa, Japan Amagu, C., Rith, U., Kodama, J.-I., Fukuda, D., Fujii, Y., Iwasaki, H. and Ikegami, S. (2019), Effects of clay zone on deformation of a cut rock slope in an open-pit limestone quarry, Paper ID:2-5-3, ISRM2019 Specialized Conference YSRM2019 & REIF2019. 1-4 December 2019, Okinawa, Japan Alam, A.K.M. B. and Fujii Y. (2019), Water migration considering stress and temperature dependent permeability of fractured rocks and its approximation, Paper ID: 3-1-5, ISRM2019 Specialized Conference YSRM2019 & REIF2019. 1-4 December 2019, Okinawa, Japan Kodama, J., Naka, R., Minami, T., Sugawara, T., Hamanaka, A., Itakura, K., Deguchi, G., Fukuda, D. and Fujii, Y. (2019), Observation of crack initiation and propagation in coal subjected to heating and cooling, Proc. Future Mining 2019, pp. 131-133, Nov. 20, Sydney, Australia. Sinkala, P., Nishihara, M., Fujii, Y., Fukuda, D. and Kodama, J. (2019), Investigation of Rockburst in Deep Underground Mines, A case study of Mufulira mine, Copperbelt, Zambia, Annual Meeting of ARMA (American Rock Mechanics Association), Paper 19-16, June 23-26, NY Boeut S., Fujii Y., Kodama J., Fukuda D. and Dassanayake. A.B.N. (2019), Effects of transient axial stress or pore pressure disturbances on the permeability of Shikotsu welded tuff, Annual Meeting of ARMA (American Rock Mechanics Association), Paper 19-67, June 23-26, NY Uy, R., Clement, A., Kodama, J., Fukuda, D. and Fujii, Y. (2019), Effects of Clay Zone on Mining-induced Deformation of Rock Slope in Open Pit Mine, Proc. MMIJ Spring Meeting, Vol. 6, No. 1, 1K0107-11-02, Mar. 6, Chiba, Japan Sinkala, P., Nishihara, M., Fujii, Y., Kodama, J., Fukuda, D., Chanda, E. (2019), Analysis of seismicity at Mufulira Mine, Copperbelt Province, Zambia, Proc. MMIJ Spring Meeting, Vol. 6, No. 1, 3K0101-10-08, Mar. 8, Chiba, Japan Fukuda, D., Mohammadnejad, M., Chan, A., Cho, S. H., Min, G. J., Kodama, J. and Fujii, Y. (2018), Development of 2-D hybrid FEM/DEM method code using GPGPU, ARMS10 (10th Asian Rock Mehcnaics Symposium, The ISRM International Symposium for 2018), #508, Oct. 31, Singapore. Boeut, S., Oshima, T., Fujii, Y., Kodama, J.-I., Fukuda, D., Matsumoto, H. and Uchida, K. (2018), Influence of transient stress disturbances on permeability of Kushiro Cretaceous sandstone, ARMS10 (10th Asian Rock Mehcnaics Symposium, The ISRM International Symposium for 2018), #73, Nov. 3, Singapore. Sinkala, P., Fujii, Y., Kodama, J. and Fukuda, D. (2018), An Overview of Copper Mining in Zambia's Copperbelt Province, Proc. MMIJ Hokkaido Branch Spring Meeting, pp. 35-36, Kitami, Japan, June 16. Bandazi, C. N., Uy, R., Kodama, J., Fujii, Y., Fukuda, D., Iwasaki, H. and Ikegami, S., Study of factors behind rock slope displacement at Higashi Shikagoe limestone quarry, Japan, Proc. of the 2018 European Rock mechanics Symposium(EUROCK2018), Saint Petersburg, Russia, 22-26 May 2018, pp. 479-484(2018) Cho, S., Oh, S., Min, G., Park, S., Fujii, Y., Fukuda, D. (2018), Size Effect of Dynamic Uniaxial Compressive Strength of a Granite and Sandstone, Proc. Spring Meeting of MMIJ, 1201-10-10, 3/27, Tokyo Boeut S., Oshima, T., Fujii, Y., Kodama, J., Fukuda, D., Matsumoto, H. and Uchida, K. (2018), Transient Stress Disturbances Induced Change in Permeability of Kushiro Cretaceous Sandstone, Proc. Spring Meeting of MMIJ, 2201-10-04, 3/28, Tokyo Boeut, S., Oshima, T., Fujii, Y., Kodama, J., Fukuda, D., Matsumoto, H. and Uchida, K. (2017), Effect of Axial Stress Disturbances on Permeability of Kushiro Sandy Shale, 1st. International KAMPAI Symposium on Sustainable Management of Resources and Environment in the 21st. Century, Sapporo, Japan, Nov. 6. Yasidu, U., Fujii, Y., Kodama, J., Fukuda, D., Dandadzi, J. and Maneya, G. (2017), Water Vapour Diffusion in Sandstone during Rainy Season in Mchenga Underground Coal Mine, Malawi, 1st. International KAMPAI Symposium on Sustainable Management of Resources and Environment in the 21st. Century, Sapporo, Japan, Nov. 6. Alam, A. K. M. B., Aramaki, N., Tamamura, S., Ueno, A., Murakami, T., Tamazawa, S., Fujii, Y., Kaneko, K. (2017), Effect of Induced Oxidation on the Mechanical Properties of Lignite by using Hydrogen Peroxide in the SCG Method, Proc. MMIJ 2017 (Sapporo), 3305-12-03, Sep. 28, Sapporo, Japan Fujii, Y., Kodama, J., Fukuda, D. (2017), Prevention of Large Earthquakes beneath Big Cities, Proc. MMIJ 2017 (Sapporo), 3305-12-02, Sep. 28, Sapporo, Japan. Boeut, S., Oshima, T., Fujii, Y., Kodama, J., Fukuda, D., Matsumoto, H. and Uchida, K. (2017), Impact on Permeability due to Axial Stress Disturbances for Cretaceous Sandy Shale, Proc. MMIJ 2017 (Sapporo), PY2-73, Sep. 26, Sapporo, Japan. Yasidu, U., Fujii, Y., Kodama, J., Fukuda and Dandadzi, J. (2017), Evaluation of Water Vapour Diffusion in Mchenga Sandstone, Proc. MMIJ 2017 (Sapporo), PY2-78, Sep. 26, Sapporo, Japan. Fujii, Y., Kodama, J., Fukuda, D. and Dassanayake, A.B.N. (2017), Prevention of Catastrophic Volcanic Eruptions, ISERME (International Symposium on Earth Resources Management & Environmnet) 2017, Proc. ISERME 2017, pp. 211-215, Aug. 29, Colombo, Sri Lanka. Boeut, S., Oshima, T., Fujii, Y., Kodama, J., Fukuda, D, Matsumoto, H. and Uchida, K. (2017), Change in Permeability of Cretaceous Sandy Shale in Kushiro Coal Mine due to Axial Stress Disturbance, Proc. 2017 International Joint Symposium between CERI (Japan) and IEGS (Korea), pp. 138-144, July 25, Sapporo, Japan Bandazi, N, C., Kodama, J., Fujii, Y., Fukuda, D., Iwasaki, H., Ikegami, S. (2017), Rock slope displacement for three years at Higashi Shikagoe limestone quarry, Japan, Proc. 2017 International Joint Symposium between CERI (Japan) and IEGS (Korea), pp. 39-48, July 25, Sapporo, Japan. Yasidu, U.M., Fujii, Y., Fukuda, D., Kodama, J. and Maneya, G. (2017), Effect of Humidity on Tensile Strength of Rocks in Selected Underground Coal Mines in Malawi, Proc. 51st U.S. Rock Mechanics Geomechanics Symposium, 17-217, June 27, San Francisco, California. Alam, AKM B., Aramaki, N., Tamamura, S., Ueno, A., Murakami, T., Tamazawa, S., Kaneko, K. and Fujii, Y. (2017), Chemical Reaction Effects on the Tensile Strength of Lignite by Hydrogen Peroxide, Proc. Spring Meeting of Hokkaido Branch, MMIJ, pp. 39-40, June 16, Hokkaido University, Sapporo, Japan. Boeut, S., Laowattanabandit, P. and Fujii, Y. (2017), Extracting Residual Coal by Auger Highwall Mining at Mae Tan Coal Mine, Thailand, Proc. Spring Meeting of Hokkaido Branch, MMIJ, pp. 59-60, June 16, Hokkaido University, Sapporo, Japan. Fukuda, D., Nihei, E., Cho, S. H., Oh, S. W., Kodama, J. and Fujii, Y. (2017), Comparison of FEM-based 3-D Dynamic Fracturing Simulations Using Intrinsic and Extrinsic Cohesive Zone Models, Proc. 2017 ISRM Young Scholars' Symposium on Rock Mechanics (YSRM 2017) & 2017 International Conference on New Developments in Rock Mechanics and Geotechnical Engineering (NDRMGE 2017), pp. 100-104, Jeju, Korea, May 11. Arima, H., Sainoki, A., Fukuda, D., Kodama, J., Fujii, Y., Murayama, H., Niwa, H. and Okazaki, K. (2017), 3D Numerical Analysis of Time-dependent Behavior of a Tunnel Constructed with Conventional Support System, Proc. 2017 ISRM Young Scholars' Symposium on Rock Mechanics (YSRM 2017) & 2017 International Conference on New Developments in Rock Mechanics and Geotechnical Engineering (NDRMGE 2017), pp. 250-253, Jeju, Korea, May 12. Alam, A. K. M. B., Aramaki, N., Tamamura, S., Ueno, A., Murakami, T., Fujii, Y. and Kaneko, K. (2017), Changes in Mechanical Properties due to Induced Oxidation of Lignite, Proc. 2017 ISRM Young Scholars' Symposium on Rock Mechanics (YSRM 2017) & 2017 International Conference on New Developments in Rock Mechanics and Geotechnical Engineering (NDRMGE 2017), pp. 380-383, Jeju, Korea, May 12. Fujii, Y., Yamada, M., Fukuda, D. and Kodama, J. (2017), Prevention of Giant Earthquakes by Underground Nuclear Explosions, MMIJ Spring Meeting, 3411-17-07, Tsudanuma, Japan, Mar. 29. Alam, B., Fujii, Y., Aramaki, N., and Kaneko, K. (2017), Water Migration into Underground Cavern considering Stress and Temperature Dependent Permeability of Fractured Rocks, Proc. 14th Japan Symposium on Rock Mechanics Japan Society for Rock Mechanics, #47, Jan. 10, Kobe. Amo, K.,Fujii, Y., Kodama J. and Fukuda, D. (2016), Effects of Confining Pressure on Strain Rate-Dependent Deformation and Failure of Kimachi Sandstone, RMC12-P54, Proc. 9th Asian Rock Mechanics Symposium (ARMS9), PO32-P90, Oct. 19 Kodama, J., Tabata, S., Fukuda, D., Fujii, Y., Murayama, H., Niwa, H. and Sainoki, A. (2016), 3-D Analysis of Time-dependent Behavior of Tunnel Crossing Weak Rock Formation, Proc. 9th Asian Rock Mechanics Symposium (ARMS9), PO32-P90, Oct. 18 Fujii, Y., Dassanayake, A., Alam, A.K.M.B., Fukuda, D. (2016), Formulation and Implementation of Effective Stress Coefficient of Rock to FEM, Fall Meeting of MMIJ, #2504, Sept. 14, Morioka, Japan Wang, Y., Fujii, Y., Fukuda, D. and Kodama, J. (2016), Kimachi Sandstone does not have to Fail under Larger Stress, Rock Mechanics & Rock Engineering: From the Past to the Future (Proc. EUROCK 2016, Aug. 30, Cappadocia, Turkey), Eds. Ulusay, R. et al., pp. 159-163, CRC Press. Moriya, R., Fukuda, D., Kodama, J. and Fujii, Y. (2016), Effect of Butress on Reduction of Rock Slope Sliding along Geologic Boundary, Proc. 3rd. International Symposium on Mine Safety, Science and Engineering (ISMS 2016), pp. 121-126, Aug. 16, Montreal, Canada. Fujii, Y., Maeda, S., Sugawara, T., Kodama, N. and Miyashita, N. (2016), New Techniques for Monitoring and Analyzing the Stability of Steep Cliffs against Rock Falls, Proc. US Rock Mechanics/Geomechanics Symposium, ARMA 16-0027, June 28, Houston, USA. Fujii, Y., Fukuda, D. and Kodama, J. (2016), Lunar Phases of 2016 Kumamoto Earthquakes, Proc. MMIJ Spring Meeting, pp. 23-24, Muroan, June 18. Yasidu, U., Maneya, G., Fujii, Y., Fukuda, D. and Kodama, J. (2016), Roof Fall Accidents during Rainy Season in Underground Coal Mines in Malawi, Proc. MMIJ Spring Meeting, pp. 47-48, Muroran, June 18. Alam, B., Aramaki, N., Tamamura, S., Fujii, Y. and Kaneko, K. (2016), Induced Oxidation Effects on Physical and Mechanical Properties of Lignite, Spring Meeting of MMIJ, #1507, Mar. 28, Tokyo Yasidu, U., Maneya, G. and Fujii, Y. (2016), Coal Mining in Malawi: Towards Economic Diversification, Spring Meeting of MMIJ, #3503, Mar. 30, Tokyo Alam, B., Fujii. Y., Kaneko K., Aramaki N. (2015), Temperature and Confining Pressure Effects on the Permeability of Fractured Rocks, Proc. MMIJ, #3411, Sept. 10, Matsuyama, Japan Kodama, J., Mitsui, Y., Sugawara, T. Fukuda, D. and Fujii, Y. (2015), Time-dependent Mechanical Behaviors of Frozen Welded Tuff, Proc. ISRM Congress 2015 (The 13th. International Congress of Rock Mechanics), Paper 324. Fukuda, D., Maruyama, M., Kodama, J., Fujii,Y., Aramaki, N., Kaneko, K. and Nara, Y. (2015), Evaluation of 3-D Strain Distribution in Lignite Based on Image Analysis, Proc. ISRM Congress 2015 (The 13th. International Congress of Rock Mechanics), Paper 394. Fujii, Y., Kodama, J. and Fukuda, D. (2015), Giant Earthquakes are Occurring at Lunar Phases Specific to Each Subduction Zone, Proc. ISRM Congress 2015 (The 13th. International Congress of Rock Mechanics), Paper 513. Wang, Y., Fujii, Y., Fukuda, D. and Kodama, J. (2015), Deformation and Failure of Kimachi Sandstone under Constant Strain Rate and Cyclic Loading, Proc. MMIJ Spring Meeting, 1515, Mar. 27, Chiba. Fujii, Y., Mufundirwa, A., Kodama, J. and Fukuda, D. (2014), Prediction of Time and Volume of Rock Failure by Slope Method, Proc. The 3rd. International Conference on Advances in Mining and Tunneling (ICAMT 2014), pp. 285-289, Vung Tau, Vietnam, Oct. 22, 2014. Fujii, Y. (2014), The Cause of Global Warming Stagnation in the 21st Century, Proc. The 8th International Conference on Earth Resources Technology (ICERT), pp. 82-86, Vung Tau, Vietnam, Oct. 23, 2014. Mitsui, Y., Hara, S., Akabane, K., Kodama, J., Sugawara, T., Fukuda, D. and Fujii, Y. (2014), Creep Behavior of Frozen Shikotsu Welded Tuff, Proc. ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), RP1-1, Sapporo, Japan, Oct. 14, 2014. Dassanayake, A. B. N., Fujii, Y., Fukuda, D. and Kodama, J. (2014), Significant Differences in Effective Stress Coefficient for Rocks within Elastic Region and Peak and Residual Strengths, Proc. ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), RP1-4, Sapporo, Japan, Oct. 14, 2014. Hara, S., Kodama, J., Fujii, Y., Fukuda, D., Mitsui, Y. and Sugiura, T. (2014), Uniaxial Compressive Strength of Shikotsu Welded Tuff and Bibai Sandstone at Sub-zero Temperature, Proc. ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), RP1-5, Sapporo, Japan, Oct. 14, 2014. Najib, Fukuda, D., Kodama, J. and Fujii, Y. (2014), Investigation of Rock Slope Deformation Modes due to Excavation on Mountain Type Mine, Proc. ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), SS1-1, Sapporo, Japan, Oct. 14, 2014. Fukuda, D., Ikezawa, J., Kaneko, K., Kodama, J. and Fujii, Y. (2014), Numerical Study on Fracturing Process in Rock by Blasting a Cylindrical Charge, Proc. ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), ERD2-4, Sapporo, Japan, Oct. 14, 2014. Fujii, Y., Kumakura, S. and Kaneko, K. (2014), Sealability Recovery of Fractured Rocks by Post-failure Consolidation, Proc. ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), RW2-5, Sapporo, Japan, Oct. 15, 2014. Fujii, Y., Takahashi, K., Fukuda, D and Kodama, J. (2014), Shale Gas Extraction and CCS May Induce Serious Seismicity, Proc. Workshop on Rock Engineering and Environment, ARMS8 (2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium), pp. 41-46, Sapporo, Japan, Oct. 13, 2014. Tani, T., Aoki, T., Ogawa, T. and Fujii, Y. (2014), Consideration on the Tunnel Supporting Effectiveness of Shotcrete with a Time-dependent Viscoelastic Model, Oka, Murakami, Usuoka & Kimoto (Eds.), Computer Methods and Recent Advances in Geomechanics, Proc. 14th IACMAG, Kyoto, Sep. 25. Alam, A.K.M.B, Fujii, Y. and Fukuda, D. (2014), Temperature-confining Pressure Coupling Effects on the Permeability of Three Rocks under Compression, Proc. Annual Meeting of Hokkaido Branch, MMIJ, pp. 11-12, Horonobe, Japan, June 14. Alam, A. K. M. B., Fujii, Y., Fukuda, D. and Niioka, M. (2014), Temperature-Confining Pressure Coupling Effects on the Permeability of Three Rock types under Triaxial Compression, in Alejiano, L. et al. (eds.), Rock Engineering and Rock Machanics: Structures in and on Rock Masses (Proc. EUROCK 2014), pp. 131-136, Vigo, Spain, May. 27. Dassanayake, A. B. N. and Fujii, Y. (2014), Biotfs Effective Stress Coefficient of Rocks for Peak and Residual Strengths by Modified Failure Envelope Method, in Alejiano, L. et al. (eds.), Rock Engineering and Rock Machanics: Structures in and on Rock Masses (Proc. EUROCK 2014), pp. 155-160, Vigo, Spain, May. 27. Fujii, Y. (2013), Environmental Impact by Short Distance Trip, Proc. MMIJ Fall Meeting 2013 Sapporo, C6-1, pp. 505-506, Hokkaido University, Sapporo, Sep. 5 Alam, A.K.M.B., Niioka, M., Fukuda, D. and Fujii, Y. (2013), Confining Pressure Effect on Structual Changes in Rock Types under Consolidation and Compression, Proc. MMIJ Fall Meeting 2013 Sapporo, PY-7, p. 571, Hokkaido University, Sapporo, Sep. 3 Dassanayake, A. and Fujii, Y. (2013), Evaluation of Biot's Effective Stress Constant for Peak and Residual Strengths for Shikotsu Welded Tuff and Kimachi Sandstone by using Modified Failure Envelope Method, Proc. MMIJ Fall Meeting 2013 Sapporo, PY-6, p. 570, Hokkaido University, Sapporo, Sep. 3 Fujii, Y., Ozaki, Y., Fukuda, D. and Kodama, J. (2013), Why Do Giant Earthquakes Occur at Lunar Phases Specific to Each Subduction Zone? RS2013-1021, 6th Int. Symp. on In-situ Rock Stress, 20-22 August 2013, Sendai Japan, 8/21 Alam A.K.M. B., Niioka M., Fujii Y. (2013), Effect of Confining Pressure on Permeability during Deformation and Failure of Several Rocks under Compression, Proc. 47th US Rock Mechanics/ Geomechanics Symosium in San Fransisco, 23-26 June, 2013, Paper No. 13-241, June 24, 2013. Keppetipola, S.S.S.S.M., Fujii Y. and Kodama, N. (2013), Mechanisms of Falling Rock Formation at Steep Slope due to Temperature Perturbation, Proc. 47th US Rock Mechanics/ Geomechanics Symosium in San Fransisco, 23-26 June, 2013, Paper No. 13-237, June 24, 2013. Kodama, J., Mitsui, Y., Fukuda, D., Fujii, Y. and Hagan, P. (2013), An Analytical Study on the Effect of Weak Layer on the Long-term Behavior of Tunnels, 5th AUN/SEED/Net Regional Conference on Geological Engineering, Kuala Lumpur, Malaysia, 15-16 Jan., 2013. Alam, B. A.K.M., Niioka, M., Fujii, Y. Kodama, J, and Sugawara, T. (2012), Effect of Temperature and Confining Pressure on Permeability during Deformation and Failure of Shikotsu Welded Tuff, Proc. ARMS7, pp. 563-572, Seoul, South Korea, October 15-19, 2012, 10/16, Seoul. Ozaki, Y. and Fujii, Y. (2012), Characteristics of Date, Time and Lunar Phase of Giant Earthquakes for Each Subduction Zone, SSS25-05, Japan Geoscience Union Meeting 2012, May 20, Makuhari Fujii, Y. and Ozaki, Y. (2012), Date, Lunar Phase and Time of Giant Earthquakes might be Specified for Each Subduction Zone, Seismological Research Letters, Vol. 83, No. 2, p. 456 (Seismological Society of America 2012 Annual Meeting, Apr. 19, San Diego)
Fujii, Y. (2012), Giant Eruptions did not Frequently Occur in the Periods When Giant Earthquakes Frequently Occurred and vice versa after 1900, Seismological Research Letters, Vol. 83, No. 2, p. 410 (Seismological Society of America 2012 Annual Meeting, Apr. 18, San Diego)
Fujii, Y. (2012), The Earth is not Warming in the 21st Century! Proc. MMIJ Spring Meeting, pp. 83-84, Mar. 27, Tokyo. Fujii, Y., Kodama, N. and Keppetipola, S. (2012), Mechanisms of Falling Rock Formation at Steep Slope due to Temperature Perturbation, Proc. MMIJ Spring Meeting, pp. 143-144, Mar. 27, Tokyo. Fujii, Y. (2012), Weakness Plane Model to Simulate Effects of Stress States on Rock Strengths, True Triaxial Testing of Rocks (Proc. TTT Workshop, Beijing, Oct, 17, 2011), Kwasniewski, M., Li, X. and Takahashi, M. (Eds.), pp. 243-248, CRC Press/Balkema, Leiden, The Netherlands. Fujii, Y., Sugawara, T., Kodama, J., Ishijima, Y., Kiyama, T., Takada, M., Ishihara, Y., Kumakura, S., Narita, T., Sawada, M. and Nakata, E. (2011), Abandoned roadways aged up to 50 years observed in Kushiro Coal Mine, Japan, Harmonising Rock Engineering and the Environment (Proc. 12th. Int Congr. Rock Mech.), Qian & Zhou (eds), Taylor & Francis Group. London, pp 975-978 (FP-CH157 in CD-ROM), Oct., 18, Beijing. Mufundirwa A., Fujii, Y., Kodama, N. and Kodama, J. (2011), Analysis of Natural Rock Slope Deformations under Temperature Variation: A Case Study from Japan, Proc. Slope Stability, Vancouver, Canada, Sept. 20. Fujii, Y. (2011), Foreshocks had been Observed since Two Days before the 2011 off the Pacific Coast of Tohoku Earthquake! Seismological Research Letters, Vol. 82, No. 3, p/ 455 (Seismological Society of America, 2011 Annual Meeting, Abstract 11-476, 14 April, Memphis) Fujii, Y. And Kondo, K. (2010), Influence of Stress Larger than Preload but Acted for Shorter Duration in Tangent Modulus Method - A New Method to Measure In-situ Rock Stress, Advances in Rock Engineering, Proc. ISRM International Symposium 2010 and 6th Asian Rock Mechanics Symposium, Paper 35, 23-27 October, 2010, New Delhi, India (Presented on Oct. 27) Mufundirwa A., and Fujii, Y. (2010), Prediction of Rock Mass Failure-time of Geo-hazards, in Zhao, J., Labiouse, V., Dudt, J. P., and Mathier J. F. (Eds.), Rock Mechanics in Civil and Environmental Engineering, pp. 567-570, Proc. EUROCK 2010, 15-18 June 2010, EPFL Lausanne Switzerland Fujii, Y. (2010), Influence of Atmospheric Nuclear Explosions on Climate Change, 90th AMS Annual Meeting, J19.5, Atlanta, Jan. 20 Lee, K.,Ishijima, Y., Fujii, Y. and Koo, H. B. (2009), Development of Rock Stress Measurement Probe Based on The Pilot Hole Wall Deformation Method Laboratory Tests, Proc. 43rd. U.S. and 4th U.S.Canada Rock Mechanics Symposium, Asheville 2009, ARMA 09-131 Sanada, H., Matsui, H. and Fujii, Y. (2009), Mechanical Properties of Siliceous Rocks around the Horonobe URL from Triaxial Compression and Isotropic Consolidation Tests, Proc. ISRM-Sponsored Int. Symp. Rock Mech: "Rock Characterization, Modelling and Engineering Design Methods", CD-ROM, Hong Kong, May 20. Fujii, Y. and Abe, H. (2009), Things Hidden by the Global Warming, Proc. 3rd International Workshop and Conference on Earth Resources Technology, Yoneda and Sato (eds) 2009 Sapporo, Japan, pp. 291-297 Makasi, M. and Fujii, Y. (2009), Effects of Strain Rate and Temperature on Bending Point Stress in Tangent Modulus Method, Proc. 3rd International Workshop and Conference on Earth Resources Technology, Yoneda and Sato (eds) 2009 Sapporo, Japan, pp. 116-123 Takada, M. and Fujii, Y. (2009), An Experimental Study on Permeability of Kimachi Sandstone in Deformation and Failure Process under Deviator Stress, Proc. 3rd International Workshop and Conference on Earth Resources Technology, Yoneda and Sato (eds) 2009 Sapporo, Japan, pp. 124-131 Mufundirwa, A. and Fujii, Y. (2009), Measurement and Numerical Analysis on Deformation of Natural Rock Slope under Temperature Variation, Proc. 3rd International Workshop and Conference on Earth Resources Technology, Yoneda and Sato (eds) 2009 Sapporo, Japan, pp. 132-141 Mufundirwa, A. and Fujii, Y. (2008), New Methods for Prediction of Geomechanical Failure-time, Proc. Korean Rock Mechanics Symposium 2008 (KRMS 2008), pp. 183-190, Chonnam National University Gwangju, Korea, Oct. 22. Makasi M. and Fujii Y. (2008), Effects of strain rate and temperature on Tangent Modulus Method, Proc. Korean Rock Mechanics Symposium 2008 (KRMS 2008), pp. 279-285, Chonnam National University Gwangju, Korea, Oct. 22 Yamaguchi, M., Fujii, Y., Fukuda, K. & Matsui, H. (2006), Initial Stress Measurement of Horonobe Siliceous Rocks by DSCA Method, Proc. MMIJ Fall Meeting, (A)(B), pp. 55-56, Sept. 12, Fukuoka, Japan Hashino, T., Fujii, Y., Sato, T. & Kawamura, T. (2006), Prediction of Deformation of NATM Road Tunnels in Hokkaido, Japan, Proc. MMIJ Fall Meeting, (A)(B), pp. 13-14A9/11, Fukuoka, Japan Watanabe, Y., Itakura, K., Sato, K., Fujii, Y., Balusu, R., Guo, H. and Luo, X. (2004), A Modeling Method on Fractal Distribution of Cracks in Rocks Using AE Monitoring, Progress in Acoustic Emission XII, Proceedings of the 17th International Acoustic Emission Symposium, Tokyo Metropolitan University, November 9-12, 2004, Edited by M. Ohtsu, M. Enoki, S. Wakayama, Published by The Japanese Society for Non-Destructive Inspection, ISBN 4-931018-04-1, pp.353-360 Kodama, N., Fujii, Y. and Ishijima, Y. (2003), The Effect of Temperature on the Mechanical Properties of Inada Granite and Shirahama Sandstone, Environmental Rock Engineering, Proc. The 1st Kyoto International Symposium on Undeground Environment, Eds. by Saito, T. and Murata, S., A.A. Balkema, Lisse, Abingdon, Exton (PA), Tokyo, pp. 187-195 Kodama, N., Fujii, Y. and Ishijima, Y. (2003), The Effect of Temperature on the Mechanical Properties of Inada Granite and Shirahama Sandstone, Role of Geo-technology to the Underground Environment, Proc. The 1st Kyoto International Symposium on Undeground Environment, Eds. by Saito, T. and Murata, S., Kyoto Univ., pp. 193-200 Fujii, Y., Balusu, R., Deguchi, G. and Ishijima, Y. (2001), Numerical Simulation on Microseismicity due to Mining at One of the Collieries in Australia, Proc. 20th Int. Conference on Ground Control in Mining, pp. 287-296 Fujii, Y., Ishijima, Y. and Kiyama, T. (1999), Confining Pressure-Dependency of Coefficients in the Simple Constitutive Equations for Brittle Rock, Proc. '99 Japan-Korea Joint Symp. on Rock Engineering, pp. 323-330 Ishijima, Y. and Fujii, Y. (1999), Mechanisms of Development of Joints Induced at the Bottom of a V-shaped Valley and/or behind a Cliff, Proc. ISRM 9th. Congress, Paris, Vol. 2, pp. 1159-1162 Ishijima, Y. and Fujii, Y. (1997), A Study on the Mechanism of Slope Failure at Toyohama Tunnel, Feb. 10, 1996, Int. J. Rock Mech. & Min. Sci. Vol.34, Nos.3-4, Paper No. 087, (Proc. NY Rocks '97, Columbia University, New York, USA, 1997, 7/1). Fujii, Y., Kiyama, T. and Ishijima, Y. (1997), 'Condition Insensitive Damage Indicator' for Brittle Rock, Int. J. Rock Mech. & Min. Sci. Vol.34, Nos.3-4, Paper No. 086, (Proc. NY Rocks '97, Columbia University, New York, USA, 1997, 7/1). Fujii,Y., Kiyama, T. and Ishijima,Y. (1994), A New Criterion for Brittle Failure of Rock, New Horizons in Resources Handling and Geo-engineering (Proc. MMIJ / AusIMM Joint Symp., Ube, Japan), pp.469-476 Fujii, Y., Ishijima, Y. and Goto, T.(1992), Application of DDM to Some Rock Pressure Problems in Japanese Deep Coal Mines, Proc. 11 th. Intl. Conf. on Ground Control in Mining, Eds. by Aziz, N. and Peng, S., pp.414-420 Fujii,Y., Ishijima,Y. and Igarashi,M.(1991), Shaft Damages due to Mining, Proc. 7 th. ISRM Congress, Vol.2, Theme 4, Ed. by Wittke,W., pp.1293-1296 Fujii, Y. and Sato, K. (1990), Difference in Seismic Moment Tensors between Microseismic Events Associated with a Gas Outburst and Those Induced by Longwall Mining Activity, Proc. 2 nd. Intl Symp. of Rockbursts and Seismicity in Mines, Ed. Fairhurst, C., Wednesday, June 8 - Friday, June 10, 1988, at University Radisson Hotel, Minneapolis, Minnesota, Session 1: Mechanics of Seismic Events and Rockbursts, A.A.Balkema, Rotterdam, Netherlands, pp.71-75 Fujii,Y. and Ishijima,Y. (1990), Numerical Analysis of Maximum Shear Seismic Moment Release for Microseismicity Induced by Deep Coal Mining, Progress in Acoustic Emission V, Eds. by Yamaguchi, K., Takahashi, H. and Niitsuma, H., Japan Soc. Non-destructive Inspection, pp.252-259 Sato, K., Fujii, Y., Ishijima, Y. and Kinoshita, S. (1989), Microseismic Activity Induced by Longwall Coal Mining, 4 th. Conf. on Acoustic Emission / Microseismic Activity in Geologic Structures and Materials, The Pennsylvania State University, Transtech, pp.249-263 Sato, K. and Fujii, Y. (1988), Criteria for Occurrence and Focal Mechanisms of Seismic Events Around Underground Excavation, Pre-printed Papers, 2 nd. Intl. Symp. Rockbursts and Seismicity in Mines, Wednesday, June 8 - Friday, June 10, 1988, at University Radisson Hotel, Minneapolis, Minnesota, Session 1: Mechanics of Seismic Events and Rockbursts, pp.63-71 Ishijima, Y., Fujii, Y. and Sato, K. (1987), Microseismicity Induced by Deep Coal Mining Activity, Proc. 6 th. ISRM Congress, Vol.2, Theme IV, Eds. by Herget, G. and Vongpaisal, S., A. A. Balkema, Rotterdam, Netherlands, pp.987-990 Sato, K. and Fujii, Y. (1987), Seismicity Associated with a Large Scale Gas Outburst, reprints of Fred Leighton Memorial Workshop on Mining Induced Seismicity at Queen Elizabeth Hotel, August 30, 1987, pp.279-286 Awards Best Paper Award, 7th Moratuwa Engineering Research Conference (MERCon 2021), Effective Stress Coefficient Through MFEM and Confining Pressure Dependency of Bibai Sandstone, July 28, Moratuwa, Sri Lanka. Best Paper Award, 6th Moratuwa Engineering Research Conference (MERCon 2020), Stability Analysis of Slopes in Aruwakkalu Limestone Mine: A Finite Element Approach, July 28-30, 2020, University of Moratuwa, Sri Lanka. Excellent Paper Award, YSRM2019 & REIF2019, The 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, Fukuda, D., Mohammadneja, M., Liu, H., Han, H., Kodama, J.-I. and Fujii, Y., Recent Development and Application of Hybrid Finite-Discrete Element Simulator for Rock Failure Process, Dec. 1-4, 2019, Okinawa, Japan. Albert Nelson Marquis Lifetime Achievement Award, Marquis Who's Who, Feb. 2018 Albert Nelson Marquis Lifetime Achievement Award, Marquis Who's Who, Apr. 2017 Cambridge Certificate for Outstanding Engineering Achievement, The International Biographical Centre, Dec. 9, 2016 Recognized Reviewer, Elsevier, Dec. 2015 Int. J. Rock Mech. Min. Sci, Outstanding Contribution in Reviewing, Nov., 2014 EUROCK Outstanding Paper Award for Young Scientists and Engineers, ISRM European Rock Mechanics Symposium (EUROCK 2014), May 27-29, 2014 - Vigo, Spain "Temperature-Confining Pressure Coupling Effects on the Permeability of Three Rock types under Triaxial Compression" EUROCK 2010 Best Paper Award for Young Scientists and Engineer, EUROCK 2010, ISRM European Rock Mechanics Symposium, 15-18 June 2010, EPFL Lausanne Switzerland "Prediction of Rock Mass Failure-time of Geo-hazards" |