Publications (English ver.)

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Peer-reviewed original articles

 23 papers (first author : 12,  co-author : 11) 

  1. Masanori KOHNO, Yoshitaka NARA, Masaji KATO and Tsuyoshi NISHIMURA (Accepted): Effects of clay mineral type and content on hydraulic conductivity of bentonite‐sand mixtures made of Kunigel bentonite, Japan. Clay Minerals, IF = 1.052 (2016).
  2. Masanori KOHNO and Hiroyuki MAEDA (Accepted): Correlations between point load strength index and physical properties of hydrothermally altered rocks. International Journal of Mining Engineering and Mineral Processing, Vol.7, No.1, pp.1-13.
  3. Masaji KATO, Yoshitaka NARA, Yuki OKAZAKI, Masanori KOHNO, Toshinori SATO, Tsutomu SATO and Manabu TAKAHASHI (Accepted): Application of the transient pulse method to measure clay permeabillity. Materials Transactions, IF = 0.713 (2016).
  4. Yoshitaka NARA, Ryuta KUWATANI, Masanori KOHNO, Toshinori SATO and Koki KASHIWAYA (July, 2018): Precipitation of minerals on rock kept in water with different calcium ion concentrations. Journal of the Society of Materials Science, Japan, Vol.67, No.7, pp.730-737 (in Japanese with English abstract).
  5. Masanori KOHNO and Hiroyuki MAEDA (April, 2018): Estimate of uniaxial compressive strength of hydrothermally altered soft rocks based on strength index tests. Geomaterials, Vol.8, No.2, pp.15-25.
  6. Masanori KOHNO, Yuta TAKEHARA and Tsuyoshi NISHIMURA (March, 2018): Effect of structure of clay mineral on the physical and mechanical properties of rock materials. Journal of the Society of Materials Science, Japan, Vol.67, No.3, pp.324-329 (in Japanese with English abstract).
  7. Masaji KATO, Yoshitaka NARA, Yuki OKAZAKI, Masanori KOHNO, Toshinori SATO, Tsutomu SATO and Manabu TAKAHASHI (March, 2018): Application of transient pulse method to permeability measurement for clay. Journal of the Society of Materials Science, Japan, Vol.67, No.3, pp.318-323 (in Japanese with English abstract).
  8. Yoshitaka NARA, Masaji KATO, Ryuhei NIRI, Masanori KOHNO, Toshinori SATO, Daisuke FUKUDA, Tsutomu SATO and Manabu TAKAHASHI (March, 2018): Permeability of granite including macro-fracture naturally filled with fine-grained minerals. Pure and Applied Geophysics, IF = 1.591 (2016), Vol.175, No.3, pp.917-927.
  9. Yusuke ONO, Ryota OKAMOTO, Masanori KOHNO, Hisakazu SAKAI, Yoshiya HATA and Yuji IKEDA (September, 2017): 3D simulation of the Aratozawa landslides base on smoothed particle hydrodynamics method. Journal of Japan Society of Civil Engineers, Sec. A1 (Structural Engineering & Earthquake Engineering), Vol.74, No.4, pp.I_346-I_356 (in Japanese with English abstract).
  10. Kenichi FUMIMURA, Tsuyoshi NISHIMURA and Masanori KOHNO (January, 2017): A 3D lattice model for simulation on deformation and failure of rock-like materials. Journal of Japan Society of Civil Engineers, Sec. C (Geosphere Engineering), Vol.73, No.1, pp.11-22 (in Japanese with English abstract).
  11. Masaji KATO, Yoshitaka NARA, Daisuke FUKUDA, Masanori KOHNO, Toshinori SATO, Tsutomu SATO and Manabu TAKAHASHI (July, 2016): Importance of temperature control in surrounding environment during permeability test for measuring hydraulic constants of rock. Journal of the Society of Materials Science, Japan, Vol.65, No.7, pp.489-495 (in Japanese with English abstract).
  12. Masanori KOHNO, Akito TSUCHIDA, Katsuya KITASAKO, Yasuo IKEZOE and Tsuyoshi NISHIMURA (May, 2016): Laboratory experiment and numerical analysis of rockfall impacts. Journal of the Society of Materials Science, Japan, Vol.65, No.5, pp.377-383 (in Japanese with English abstract).
  13. Masanori KOHNO, Katsuya KITASAKO, Yasuo IKEZOE and Tsuyoshi NISHIMURA (May, 2015): Coefficients of restitution of rockfall impacts based on free-fall-rebounding laboratory experiment. Journal of Japan Society of Civil Engineers, Sec. C (Geosphere Engineering), Vol.71, No.2, pp.81-91 (in Japanese with English abstract).
  14. Hiroyuki MAEDA, Masanori KOHNO, Shigenori HASEBE, Hiroki SAWANO and Shunsuke HIGAKI (May, 2014): Geological characteristics of dip slope type landslides occurred on a dominant hard shale-bearing formation in the Green Tuff region: an example of the Oshinkoshin landslide area in the Shiretoko Peninsula, East Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.51, No.3, pp.81-89 (in Japanese with English abstract).
  15. Masanori KOHNO and Hiroyuki MAEDA (May, 2013): Experiment on landslide hazard mapping, based on AHP method, in consideration of point load strength of hydrothermally altered rock: Example in the Ohekisawa-Shikerebenbetsugawa landslide area in eastern Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.50, No.3, pp.121-129 (in Japanese with English abstract).
  16. Hiroyuki MAEDA, Takashi SASAKI, Kazuyuki FURUTA, Katsuhiro TAKASHIMA, Akihiro UMEMURA and Masanori KOHNO (June, 2012): Relationship between landslides, geological structures, and hydrothermal alteration zones in the Ohekisawa-Shikerebembetsugawa landslide area, Hokkaido, Japan. Journal of Earth Science and Engineering, Vol.2, No.6, pp.317-327.

  17. Masanori KOHNO and Hiroyuki MAEDA (January, 2012): Estimation of uniaxial compressive strength of soft and semi-hard rocks based on irregular lump point load strength test results in natural-moist state of on-site –Example of hydrothermally altered rocks of the Upper Miocene volcaniclastic and clastic rocks–. Journal of MMIJ, Vol.128, No.1, pp.17-22 (in Japanese with English abstract).
  18. Dai NAKAMURA, Takashi GOTO, Yoji ITO, Satoshi YAMASHITA, Takayuki KAWAGUCHI, Shintaro YAMASAKI, Teruyuki SUZUKI and Masanori KOHNO (September, 2011): Basic study on the frost heave pressure of rocks –Dependence of the location of frost heave on the strength of the rock–. Journal of MMIJ, Vol.127, No.9, pp.558-564 (in Japanese with English abstract).
  19. Hiroyuki MAEDA, Hiroshi NAYA, Satoshi UEMATSU and Masanori KOHNO (May, 2011): Geological characteristics of hydrothermal alteration zone landslides: Example from the Ikutahara-Minami landslide area, Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.48, No.3, pp.139-146 (in Japanese with English abstract).
  20. Masanori KOHNO and Hiroyuki MAEDA (April, 2011): Estimate of uniaxial compressive strength of hydrothermally altered rocks from northeastern Hokkaido, Japan, based on axial point load strength test results. International Journal of the JCRM, Vol.7, No.1, pp.17-23.  
  21. Masanori KOHNO and Hiroyuki MAEDA (January, 2011): Mechanical properties of hydrothermally altered rocks from northeastern Hokkaido, Japan, based on point load strength test results. Journal of MMIJ, Vol.127, No.1, pp.14-19 (in Japanese with English abstract).
  22. Masanori KOHNO, Hiroyuki MAEDA, Ippei KAGE, Junpei KOTAKE and Motoharu NII (December, 2010): Method of axial point load strength test for smectite-bearing rocks. JSCE Journal of Geotechnical and Geoenvironmental Engineering (Doboku Gakkai Ronbunshuu C), Vol.66, No.4, pp.859-868 (in Japanese with English abstract).
  23. Masanori KOHNO and Hiroyuki MAEDA (January, 2010): Relationship between cylinder (longitudinal) point load strength and uniaxial compression strength for smectite-bearing fine tuffs in a soft and semi-hard rock boundary area: Example of the Upper Miocene Ikutawara Formation from the Ikutahara-Minami landslide area. Landslides - Journal of the Japan Landslide Society, Vol.47, No.1, pp.17-25 (in Japanese with English abstract).

Peer-reviewed research notes

  06 papers (first author : 1,  co-author : 5) 

  1. Hiroyuki MAEDA and Masanori KOHNO (January, 2016): Slip surface clay in a greenstone landslide: An example of the Hokuyo A-160 Slide occurred within the Nikoro Group greenstone in the Tokoro Belt, Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.53, No.1, pp.13-16 (in Japanese with English abstract).
  2. Hiroyuki MAEDA and Masanori KOHNO (March, 2015): An interstratified illite/smectite mineral vein found in chaotic rock from the Nikoro Group in the accretionary Tokoro Belt, northeastern Hokkaido, Japan. Clay Science, Vol.19, No.1, pp.5-9.
  3. Hiroyuki MAEDA, Masanori KOHNO, Junpei KOTAKE and Susumu ANDO (January, 2014): Significance of weathering zone in a reverse-dip slope type landslide occurred on a diagenetic zone hard shale: an example of the Honki Slide area in northeastern Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.51, No.1, pp.13-20 (in Japanese with English abstract).
  4. Hiroyuki MAEDA, Yutaka FUKUSHIMA, Hiroshi NAYA, Yasuhiko YAMAMOTO and Masanori KOHNO (March, 2012): A palygorskite vein found in conglomerate of the Upper Eocene-Lower Oligocene Rikubetsu Formation in northeastern Hokkaido, Japan. Clay Science, Vol.16, No.1, pp.15-18.
  5. Masanori KOHNO and Hiroyuki MAEDA (February, 2012): Relationship between point load strength index and uniaxial compressive strength of hydrothermally altered rocks. International Journal of Rock Mechanics and Mining Sciences, IF = 1.200 (2012), Vol.50, pp.147-157. 
  6. Hiroyuki MAEDA*, Hiroshi NAYA, Shigenori HASEBE and Masanori KOHNO (December, 2009): A landslide clay of the Semposhi Slide occurred within the Semposhi Formation of the Nemuro Group in the west coast area of Akkeshi Bay, eastern Hokkaido, Japan. Clay Science, Vol.14, No.3, pp.135-139.

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Other articles and reports

 21 papers (first author : 4,  co-author : 17)

  1. Daisuke IWAMOTO, Ken-ichi FUMIMURA, Tsuyoshi NISHIMURA and Masanori KOHNO (November, 2018): Numerical simulation on stress and deformation around tunnel excavation face using lattice spring model. Proceedings of tunnel engineering, JSCE, Vol.28, I-40, pp.1-6 (in Japanese with English abstract).
  2. Akito TSUCHIDA, Yosuke SHIMOJYO, Tsuyoshi NISHIMURA and Masanori KOHNO (January, 2018): A small scale experiment on accumulation and horizontal propagation of cohesionless granular avalanche. Proceedings of the 45th Symposium on Rock Mechanics, pp.143-148 (in Japanese with English abstract).
  3. Ken-ichi FUMIMURA, Tsuyoshi NISHIMURA, Masahiro WATARIUE and Masanori KOHNO (November, 2017): 2D-FEM simulation on stress and deformation around tunnel portal. Proceedings of tunnel engineering, JSCE, Vol.27, I-33, pp.1-11 (in Japanese with English abstract).
  4. Masaji KATO, Yoshitaka NARA, Masanori KOHNO, Toshinori SATO, Tsutomu SATO, Daisuke FUKUDA and Manabu TAKAHASHI (January, 2017): Effect of filling minerals on fracture permeability of granite. Proceedings of the 14th Japan Symposium on Rock Mechanics,  Paper No.68, pp.1-4 (in Japanese with English abstract).
  5. Masanori KOHNO, Yuta TAKEHARA and Tsuyoshi NISHIMURA (January, 2017): Experimental study on physical and mechanical properties of artificial rock by focusing on clay mineral content and type. Proceedings of the 14th Japan Symposium on Rock Mechanics, Paper No. 33, pp.1-6 (in Japanese with English abstract).
  6. Akito TSUCHIDA, Masanori KOHNO, Katsuya KITASAKO,l Yasuo IKEZOE and Tsuyoshi NISHIMURA (January, 2017): Experimental study on influence of rockfall motion under dry and wet slope surface. Proceedings of the 14th Japan Symposium on Rock Mechanics, Paper No. 14, pp.1-6 (in Japanese with English abstract).
  7. Yusaku HAMADA, Yoshitaka NARA, Masanori KOHNO and Kazutoshi SHIBUYA (January, 2017): Fracture sealing in rock by precipitation of calcium compound. Proceedings of the 14th Japan Symposium on Rock Mechanics, Paper No. 8, pp.1-4 (in Japanese with English abstract).
  8. Yusuke ONO, Ryota OKAMOTO, Masanori KOHNO, Hisakazu SAKAI, Yoshiya HATA and Yuji IKEDA (October, 2016): 3D simulation of the Aratozawa landslides base on smoothed particle hydrodynamics method. Proceedings of the 36th Japan Society of Civil Engineers Earthquake Engineering Symposium, Paper No. C23-929, pp.1-11 (in Japanese with English abstract).
  9. Tsuyoshi NISHIMURA, Kenichi FUMIMURA, Masanori KOHNO and Daichi MITSUHASHI (January, 2016): Effect of the lattice geometry of a 3D distinct element-based model on stress and displacement around a hole. Proceedings of the 44th Symposium on Rock Mechanics, pp.74-79 (in Japanese with English abstract).
  10. Hiroyuki MAEDA, Masanori KOHNO, Kenji TSUJI, Hitomi KUBO and Hideaki AOKI (May, 2014): Similarities in fault gouges of non-landslide area and slip surface clays of the 2006 Toyomi Slide within greenstone from the Nikoro Group in the Tokoro Belt, Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.52, No.1, pp.15-20 (in Japanese).
  11. Kenichi FUMIMURA, Tsuyoshi NISHIMURA and Masanori KOHNO (January, 2015): A numerical simulation on stress and deformation around circular hole using a distinct element modelingProceedings of the 43th Symposium on Rock Mechanics, pp.13-18 (in Japanese with English abstract).
  12. Daichi MITSUHASHI, Kenichi FUMIMURA, Masanori KOHNO and Tsuyoshi NISHIMURA (December, 2014): Note on spring stiffness in distinct element modeling. Ground Engineering, Vol.32, No.1, pp.143-147 (in Japanese).
  13. Katsuya KITASAKO, Masanori KOHNO, Yasuo IKEZOE and Tsuyoshi NISHIMURA (December, 2015): Small-scale laboratory test on influence of slope materials on rockfall motion. Ground Engineering, Vol.32, No.1, pp.45-52 (in Japanese).
  14. Hiroyuki MAEDA, Masanori KOHNO, Yoshihiko SEKISHITA, Satoshi UEMATSU and Hiroshi NAYA (May, 2014): Estimation and confirmation of a slip surface in an earth slide: an example of an HAZL from the Ikutahara-Minami landslide prevention area, East Hokkaido, Japan. Landslides - Journal of the Japan Landslide Society, Vol.51, No.3, pp.106-112 (in Japanese).
  15. Tsuyoshi NISHIMURA, Kenichi FUMIMURA, Shinya KAYANO, Hiroshi UEDA and Masanori KOHNO (January, 2014): Spring stiffness formulation of distinct element-based method for modeling of elastic continua. Proceedings of the 42th Symposium on Rock Mechanics, pp.68-73 (in Japanese with English abstract).
  16. Masanori KOHNO, Tsuyoshi NISHIMURA, Ichiro YOSHIOKA and Akifumi NAKASHITA (December, 2013): Experimental study on soil improvement effects by mixing with gravel-coarse sand of clinker ash. Ground Engineering, Vol.31, No.1, pp.119-124 (in Japanese).
  17. Masanori KOHNO and Hiroyuki MAEDA (January, 2011): Effect of difference of drying temperature on the axial point load strength for smectite-bearing rocks. Proceedings of the 40th Symposium on Rock Mechanics, pp.357-362 (in Japanese with English abstract).
  18. Masanori KOHNO, Hiroyuki MAEDA, Ippei KAGE, Junpei KOTAKE and Motoharu NII (March, 2010): Method of axial point load strength test for smectite-bearing tuffs under forced dry- and wet-states. Journal of the Association of Innovative Technology, No.51, pp.7-15 (in Japanese with English abstract).
  19. Hiroyuki MAEDA, Masanori KOHNO, Naoto SAKAKIBARA, Masafumi NAKAMURA and Kenji TSUJI (December, 2008): Method of cylinder (longitudinal) point load test for very small amounts of smectite-bearing massive fine tuff under forced dry- and wet-states. Journal of the Association of Innovative Technology, No.49-50, pp.7-14 (in Japanese with English abstract).
  20. Hiroyuki MAEDA, Masanori KOHNO, Kenji TSUJI and Hitomi KUBO (December, 2008): Comparison with crush zone clays and slip surface clays of the 2006 Toyomi collapse and ancient landslide within green rocks from the Nikoro Group in the Tokoro Belt, northeastern Hokkaido, Japan. CD DATA: 30-years-studies on landslides in Hokkaido, pp.107-112 (in Japanese).
  21. Hiroyuki MAEDA, Takashi SASAKI, Kazuyoshi FURUTA, Katsuhiro TAKASHIMA, Akihiro UMEMURA and Masanori KOHNO (December, 2008): Relationship between landslides, geologic structures and hydrothermal alteration zones within southern part of Okushunbetsu landslide area in Teshikaga Town, eastern Hokkaido, Japan. CD DATA: 30-years-studies on landslides in Hokkaido, pp.100-106 (in Japanese).

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International conference

  23 papers (first author : 6,  co-author : 17)

  1. Tsuyoshi NISHIMURA, Kenichi FUMIMURA, Masahiro WATARIUE, Shinji KAWABATA and Masanori KOHNO (November, 2018): Numerical simulation of stress and deformation around tunnel portal. Mechanics in Infrastructure and Resource Development (Proceedings of 10th Asian Rock Mechanics Symposium, the ISRM International Symposium for 2018), Proceedings No. P-0174, pp.1-8.
  2. Tsuyoshi NISHIMURA, Masanori KOHNO and Kenichi FUMIMURA (June, 2018): Numerical simulations on failure and stress wave propagation in solid materials using a 3D lattice spring model. Rock Dynamics - Experiments, Theories and Applications - (Li, Li and Zhang, editors), Proceedings of Third International Conference on Rock Dynamics and Applications (RocDyn-3), pp.213-218.
  3. Masanori KOHNO, Yoshitaka NARA, Masaji KATO and Tsuyoshi NISHIMURA (September, 2017 Congress Centre Davos, Davos, Switzerland): Effect of clay mineral type and content on swelling characteristic and permeability of bentonite-sand mixtures. Book of Abstracts of Clay Conference 2017 - The 7th International Conference on Clays in Natural and Engineered Barriers for Radioactive Waste Confinement, pp.240-241. [Poster presentation]
  4. Tsuyoshi NISHIMURA, Masanori KOHNO, Katsuya KITASAKO, Yasuo IKEZOE and Akito TSUCHIDA (June, 2017): A three-dimensional numerical model for rockfall and its application. Proceedings of the 51st US Rock Mechanics / Geomechanics Symposium, Proceedings No.0213, pp.1-8.
  5. Masanori KOHNO, Yuta TAKEHARA and Tsuyoshi NISHIMURA (October, 2016 The Stones Hotel - Bali, Bali, Indonesia): Physical and mechanical properties of artificial rock based on clay mineral content and type. Harmonizing Rock Mechanics with Sustainable Economic Development (Proceedings of 9th Asian Rock Mechanics Symposium), Proceedings No. PO7-P111, pp. 1-7.
  6. Tsuyoshi NISHIMURA, Kenichi FUMIMURA, Masanori KOHNO and Daichi MITSUHASHI (October, 2016): A 3D distinct element-based model for deformation and failure of rock. Harmonizing Rock Mechanics with Sustainable Economic Development (Proceedings of 9th Asian Rock Mechanics Symposium), Proceedings No. PO4-P74, pp. 1-9.
  7. Masaji KATO, Yoshitaka NARA, Masanori KOHNO, Toshinori SATO, Daisuke FUKUDA, Tsutomu SATO and Manabu TAKAHASHI (August, 2016): Importance of temperature control during permeability test for measuring hydraulic constants of rock. Rock Mechanics and Rock Engineering: From the Past to the Future (Resat Ulusay et al. editors), Proceedings of EUROCK 2016 - the 2016 ISRM International Symposium, pp. 259-263.
  8. Yoshitaka NARA, Ryuta KUWATANI, Masanori KOHNO, Yusaku HAMADA, Masaji KATO, Tsutomu SATO and Toshinori SATO (May, 2016): Precipitation of calcium compound on silicate rock surface. Creative Development of Rock Mechanics and Engineering, Proceedings of the 2016 Korea-Japan Joint Symposium on Rock Engineering & 2016 Spring Conference and General Assembly of Korean Society for Rock Mechanics.
  9. Kenichi FUMIMURA, Tsuyoshi NISHIMURA and Masanori KOHNO (May, 2015): A distinct element modeling with spring parameters-elastic constants relation and its numerical application. Innovations in Applied and Theoretical Rock Mechanics, Proceedings of the 13th ISRM International Congress of Rock Mechanics (ISRM Congress 2015), Proceedings No.331, pp.1-9.
  10. Masanori KOHNOKatsuya KITASAKO and Tsuyoshi NISHIMURA (October, 2014 Royton Sapporo, Hokkaido, Japan): Small-scale experimental study of rockfall impacts on rock and sandy slopes. Rock Mechanics for Global Issues - Natural Disasters, Environment and Energy- 
  11. (Noriaki Shimizu, 
  12. Katsuhiko Kaneko and Jun-ichi Kodama, editors), Proceedings of 2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium (ARMS8), pp.2505-2513 (Abstract, p. 353).
  13. Tsuyoshi NISHIMURA, Kenichi FUMIMURA, Masanori KOHNO and Hiroshi UEDA (October, 2014): Relating distinct lattice spring method parameters to elastic properties of rocksRock Mechanics for Global Issues - Natural Disasters, Environment and Energy- 
  14. (Noriaki Shimizu, 
  15. Katsuhiko Kaneko and Jun-ichi Kodama, editors), Proceedings of 2014 ISRM International Symposium - 8th Asian Rock Mechanics Symposium (ARMS8)
  16. , pp.954-962 (Abstract, p. 307).
  17. Tsuyoshi NISHIMURA, Masanori KOHNOKatsuya KITASAKO and Yasuo IKEZOE (June, 2014): A laboratory test on rockfall impacts -coefficients of restitution and rotational motion-Proceedings of the 48th US Rock Mechanics / Geomechanics SymposiumProceedings No.7158, pp.1-6.
  18. Hiroshi UEDA, Tsuyoshi NISHIMURA, Koichi NAKAMURA and Masanori KOHNO (August, 2013): A small laboratory test and discontinuous modeling using DEM on flexural toppling failure of rock slopes. Frontiers of Discontinuous Numerical Methods and Practical Simulations in Engineering and Disaster Prevention (Guangqi Chen, Yuzo Ohnishi, Lu Zheng and Takeshi Sasaki, editors), Proceedings of 11th International Conference on Analysis of Discontinuous Deformation (ICADD 11), pp. 399-404.
  19. Tsuyoshi NISHIMURA, Koichi NAKAMURA, Masanori KOHNO and Hiroshi UEDA (June, 2013): A small scale laboratory test using shaking table apparatus for toppling failure of rock slopes. Rock Dynamics and Applications - State of the Art (Jian Zhao and Jianchun Li, editors), Proceedings of First International Conference on Rock Dynamics and Applications (RocDyn-1)pp.239-244.
  20. Masanori KOHNO and Hiroyuki MAEDA (October, 2011 China National Convention Centre (CNCC), Beijing, China): Relationship between point load strength and uniaxial compressive strength of hydrothermally altered soft rocks. Harmonising rock engineering and the environment (Qihu Qian and Yingxin Zhou, editors), Proceedings of 12th ISRM International Congress on Rock Mechanics, pp. 675-679 (Abstract, p.320).
  21. Masanori KOHNO and Hiroyuki MAEDA (October, 2010 India Habitat Centre, New Delhi, India): Relationship between axial point load strength and uniaxial compressive strength of hydrothermally altered rocks from northeastern Hokkaido, Japan. Advances in Rock Engineering, Proceedings of ISRM International Symposium 2010 and 6th Asian Rock Mechanics Symposium (6th ARMS), Proceedings No.49, pp.1-8 (Abstract, pp.81-82).
  22. Masanori KOHNO and Hiroyuki MAEDA (September, 2010 Kitami Institute of Technology, Hokkaido, Japan): Estimate of uniaxial compressive strength of hydrothermally altered rocks from northeastern Hokkaido, Japan, based on point load strength test result. Proceedings of the International Workshop on Modern Science and Technology 2010 (IWMST 2010), pp.12-17.
  23. Hiroyuki MAEDA, Masanori KOHNO, Hiroshi NAYA, Hiroshi SHIRAHATA and Hiromasa HIURA (August, 2010): Early-stage low- and late-stage high-sulfidation epithermal gold-silver mineralizations of the Kitano-oh deposit and vicinity in the Kitami metallogenic province, Hokkaido, Japan. The 20th General Meeting of the International Mineralogical Association (IMA 2010).
  24. Hiroyuki MAEDA, Hiroshi NAYA and Masanori KOHNO (June, 2010): A palygorskite-bearing clay vein from the Futamata landslide area in northeastern Hokkaido, Japan. Book of Abstracts of The 2010 SEA-CSSJ-CMS Trilateral Meeting on Clays (2010 TMC) - General Meeting, pp.144-145.
  25. Hiroyuki MAEDA, Hiroshi NAYA, Masanori KOHNO and Shigenori HASEBE (June, 2009): Landslide clays of the Senpoji slide and others around Akkeshi Bay, eastern Hokkaido, Japan. Abstract of International Clay Conference (ICC), Book of ABSTRACTS Volume I, Oral Sessions, p.187.
  26. Hiroyuki MAEDA, Takashi SASAKI, Kazuyuki FURUTA, Katsuhiro TAKASHIMA, Akihiro UMEMURA and Masanori KOHNO (November, 2008): What is a hydrothermal alteration zone landslide? The relationship between ancient landslides and point load strength of hydrothermal alteration zone rocks in Hokkaido, Japan. Proceedings of The First World Landslide Forum, Global Promotion Committee of The International Programme on Landslides (IPL), pp.389-392.
  27. Hiroyuki MAEDA, Hiroshi NAYA, Masanori KOHNO, Shigenori HASEBE and Hiromasa HIURA (November, 2008): Landslide clays and other geological characteristics of the Kushiro-type landslide occurred within the Nemuro Group around Akkeshi Bay and Lake Akkeshi area, eastern Hokkaido, Japan. International Conference on Management of Landslide Hazard in the Asia-Pacific Region, pp.783-791.
  28. Hiroyuki MAEDA, Hiroshi NAYA, Masanori KOHNO, Shigenori HASEBE and Hiromasa HIURA (August, 2008): Geological characteristics of the Kushiro-type landslides occurred within the Nemuro Group around Akkeshi Bay and Lake Akkeshi area, eastern Hokkaido, Japan. 12th International Conference and Fieldtrip on Landslides (ICFL).