京都大学 大学院 工学研究科 准教授
学位 博士(工学) (北海道大学)
専門分野 岩石力学,破壊力学

 

略 歴

 

19993

北海道大学工学部資源開発工学科卒業

20013

北海道大学大学院工学研究科環境資源工学専攻修士課程修了

20043

北海道大学大学院工学研究科環境資源工学専攻

 博士後期課程修了

20044

北海道大学大学院工学研究科 ポスドク研究員(20059月まで)

200510

北海道大学大学院工学研究科

 21世紀COEプログラム ポスドク研究員(20083月まで)

20084

北海道大学大学院工学研究科

 日本学術振興会特別研究員(PD)20113月まで)

200810

~200910

20103

~20108

英国・ロンドン大学ユニバーシティカレッジ

 Honorary Research Associate として滞在

20114

京都大学大学院工学研究科社会基盤工学専攻 助教

20144 鳥取大学大学院工学研究科社会基盤工学専攻 准教授
20164 京都大学大学院工学研究科社会基盤工学専攻 准教授

現在に至る

 

▲ページのトップへ

 

所属学会

 

資源・素材学会,日本材料学会, 日本応用地質学会, 土木学会, 

岩の力学連合会, International Society for Rock Mechanics (ISRM)

European Association of Geoscientists & Engineers (EAGE)

American Geophysical Union (AGU)

 

研究テーマ

 

 岩質材料におけるサブクリティカルき裂進展と長期強度評価

 花崗岩の異方弾性定数の評価

 多面体供試体を用いた花崗岩の微視き裂分布評価

 岩石の透水特性

 岩質材料の破壊修復

 

研究業績

 

 学術論文

  1. M. Kohno, Y. Nara, M. Kato and T. Nishimura (2018): Effects of clay mineral type and content on hydraulic conductivity of bentonite-sand mixtures, Clay Minerals (submitted).
  2. Y. Nara, K. Kashiwaya, A. Nakao, H. Uchida, Y. Hamada and K. Shibuya (2018): Precipitation of calcium compounds onto rock surfaces in water with cementitious material, Carbonates and Evaporites (submitted).
  3. 奈良禎太, 桑谷隆太, 河野勝宣, 佐藤稔紀 (2018): カルシウムイオン濃度が異なる水中に保存した岩石での鉱物析出, 材料 (投稿中)
  4. 加藤昌治, 奈良禎太, 岡崎勇樹, 河野勝宣, 佐藤稔紀, 佐藤努, 高橋学 (2018): 粘土の透水係数測定へのトランジェントパルス法の適用, 材料 (掲載決定).
  5. Y. Nara, M. Kato, R. Niri, M. Kohno, T. Sato, D. Fukuda, T. Sato and M. Takahashi (2018): Permeability of granite including macro-fracture naturally filled with fine-grained minerals, Pure and Applied Geophysics (in press). DOI: 10.1007/s00024-017-1704-x
  6. Y. Nara, T. Harui and K. Kashiwaya (2018): Influence of calcium ions on subcritical crack growth in granite, International Journal of Rock Mechanics and Mining Sciences, Vol.102, pp.71-77. DOI: 10.1016/j.ijrmms.2018.01.001
  7. P. Perez-Flores, G. Wang, T.M. Mitchell, P.G. Meredith, Y. Nara, V. Sakar and J. Cembrano (2017): The effect of offset on fracture permeability of rocks from the Andean Southern Volcanic Zone, Chile, Journal of Structural Geology, Vol.104, pp.142-158. DOI: 10.1016/j.jsg.2017.09.015
  8. Y. Nara, M. Tanaka and T. Harui (2017): Evaluating long-term strength of rock under changing environments from air to water, Engineering Fracture Mechanics, Vol.178, pp.201-211. DOI: 10.1016/j.engfracmech.2017.04.015
  9. Y. Nara, K. Kashiwaya, Y. Nishida and T. Ii (2017): Influence of surrounding environment on subcritical crack growth in marble, Tectonophysics, Vol.706-707, pp.116-128. DOI: 10.1016/j.tecto.2017.04.008
  10. G. Wang, T.M. Mitchell, P.G. Meredith, Y. Nara and Z. Wu (2016): Influence of gouge thickness on permeability of macro-fractured basalt, Journal of Geophysical Research - Solid Earth, Vol.121, pp.8472-8487. DOI: 10.1002/2016JB013363
  11. 加藤昌治,奈良禎太,福田大祐,河野勝宣,佐藤稔紀,佐藤努,高橋学 (2016): 岩石の透水試験における環境温度の制御の重要性,材料,Vol.65, No.7, pp.489-495.
  12. 西田雄貴,奈良禎太,柏谷公希,石田毅 (2016): 大理石におけるサブクリティカルき裂進展の周辺環境依存性,材料,Vol.65, No.4, pp.282-287.
  13. A. Nakao, Y. Nara and T. Kubo (2016): P-wave propagation in dry rocks under controlled temperature and humidity, International Journal of Rock Mechanics and Mining Sciences, Vol.86, pp.157-165.
  14. Z. Bennour, T. Ishida, Y. Nagaya, Y. Chen, Y. Nara, Q. Chen, K. Sekine and Y. Nagano (2015): Crack extension in hydraulic fracturing using viscous oil, water and liquid carbon dioxide in shale cores having sedimentary planes, Rock Mechanics and Rock Engineering, Vol.48, No.4, pp.1463-1473.
  15. Y. Nara (2015): Effect of anisotropy on the long-term strength of granite, Rock Mechanics and Rock Engineering, Vol.48, No.3, pp.959-969.
  16. D. Fukuda, M. Maruyama, Y. Nara, D. Hayashi, H. Ogawa and K. Kaneko (2014): Observation of fracture sealing in High-strength and Ultra-low-permeability concrete by micro-focus X-ray CT and SEM/EDX, International Journal of Fracture, Vol.188, No.2, pp.159-171.
  17. Y. Nara, R. Nakabayashi, M. Maruyama, N. Hiroyoshi, T. Yoneda and K. Kaneko (2014): Influences of electrolyte concentration on subcritical crack growth in sandstone in water, Engineering Geology, Vol.179, pp.41-49.
  18. 奈良禎太,大江悠真,村田澄彦,石田毅,金子勝比古 (2014): 周辺環境の変化を考慮した岩石のサブクリティカルき裂進展に基づく長期強度の評価,材料, Vol.63, No.3, pp.212-218.
  19. 當麻玄大,村田澄彦,三小田昌史,石田裕之,正代知幸,湯浅友輝,奈良禎太, 石田毅 (2013): 発破低周波音振動低減のための最適起爆秒時差, Journal of MMIJ, Vol.129, No.10-11, pp.626-634.
  20. D. Fukuda, Y. Nara, D. Hayashi, H. Ogawa and K. Kaneko (2013): Influence of fracture width on sealability in high-strength and ultra-low-permeability concrete in seawater, Materials, Vol.6, No.7, pp.2578-2594.
  21. 奈良禎太,加藤春實,金子勝比古,松木浩二,佐藤隆司,塚本斉 (2013): 花崗岩のP波速度分布とDSCA法から求めたクラックパラメータの関係, Journal of MMIJ , Vol.129, No.7, pp.447-454.
  22. Y. Nara, H. Yamanaka, Y. Oe and K. Kaneko (2013): Influence of temperature and water on subcritical crack growth parameters and long-term strength for igneous rocks, Geophysical Journal International, Vol.193, No.1, pp.47-60.
  23. D. Fukuda, Y. Nara, Y. Kobayashi, M. Maruyama, M. Koketsu, D. Hayashi, H. Ogawa and K. Kaneko (2012): Investigation of self-sealing in high-strength and ultra-low-permeability concrete in water using micro-focus X-ray CT, Cement and Concrete Research, Vol.42, No.11, pp.1494-1500. 
  24. Y. Nara, K. Morimoto, N. Hiroyoshi, T. Yoneda, K. Kaneko and P.M. Benson (2012): Influence of relative humidity on fracture toughness of rock: implications for subcritical crack growth, International Journal of Solids and Structures, Vol.49, No.18, pp.2471-2481.
  25. 福田大祐,奈良禎太,林大介,大和田仁,小川秀夫,金子勝比古 (2012): マイクロフォーカスX線CTを用いた水中環境下における高強度高緻密コンクリートのき裂閉塞挙動の評価,Journal of MMIJ, Vol.128, No.7, pp.471-477.
  26. 奈良禎太,広吉直樹,米田哲朗,金子勝比古 (2012): 電解質濃度の異なる水中における白浜砂岩のサブクリティカルき裂進展,材料, Vol.61, No.7, pp.662-667.
  27. 奈良禎太,中林亮,米田哲朗,金子勝比古,P.G. Meredith (2012): 静水圧下における砂岩の透水性および弾性波速度,材料, Vol.61, No.3, pp.214-221.
  28. Y. Nara, P.G. Meredith, T. Yoneda and K. Kaneko (2011): Influence of macro-fractures and micro-fractures on permeability and elastic wave velocities in basalt at elevated pressure, Tectonophysics, Vol.503, No.1-2, pp.52-59.
  29. Y. Nara, K. Morimoto, T. Yoneda, N. Hiroyoshi and K. Kaneko (2011): Effects of humidity and temperature on subcritical crack growth in sandstone, International Journal of Solids and Structures, Vol.48, No.7-8, pp.1130-1140.
  30. Y. Nara, H. Kato, T. Yoneda and K. Kaneko (2011): Determination of three-dimensional microcrack distribution and principal axes for granite using a polyhedral specimen, International Journal of Rock Mechanics and Mining Sciences, Vol.48, No.2, pp.316-335.
  31. Y. Nara, S.H. Cho, T. Yoshizaki, K. Kaneko, T. Sato, S. Nakama and H. Matsui (2011): Estimation of three-dimensional stress distribution and elastic moduli in rock mass of the Tono area, International Journal of the Japanese Committee for Rock Mechanics, Vol.7, No.1, pp.1-9.
  32. 児玉淳一, 中谷匡志, 奈良禎太, 後藤龍彦, 藤井義明, 金子勝比古 (2011): 凍結融解作用を受ける岩石の破壊プロセスと耐久性の評価,Journal of MMIJ, Vol.127, No.3, pp.117-126.
  33. Y. Nara, N. Hiroyoshi, T. Yoneda and K. Kaneko (2010): Effects of relative humidity and temperature on subcritical crack growth in igneous rock, International Journal of Rock Mechanics and Mining Sciences, Vol.47, No.4, pp.640-646.
  34. Y. Nara, M. Takada, D. Mori, H. Owada, T. Yoneda and K. Kaneko (2010): Subcritical crack growth and long-term strength in rock and cementitious material, International Journal of Fracture, Vol.164, No.1, pp.57-71.
  35. 奈良禎太, 五十嵐敏文, 広吉直樹, 米田哲朗, 金子勝比古 (2010): 岩石のサブクリティカルき裂進展指数と長期強度に及ぼす周辺環境の影響,材料, Vol.59, No.3, pp.180-185.
  36. 奈良禎太,森本和也,米田哲朗,金子勝比古 (2010): 砂岩の破壊靭性に及ぼす湿度の影響,Journal of MMIJ, Vol.126, No.1-2, pp.10-17.
  37. Y. Nara, M. Takada, T. Igarashi, N. Hiroyoshi and K. Kaneko (2009): Subcritical crack growth in rocks in an aqueous environment, Exploration Geophysics, Vol.40, No.1, pp.163-171.
  38. 奈良禎太,高田雅史,森大介,大和田仁,米田哲朗,金子勝比古 (2009): 岩石と高強度高緻密コンクリートにおけるサブクリティカルき裂進展と長期強度,材料, Vol.58, No.6, pp.525-532.
  39. 奈良禎太,森本和也,米田哲朗,金子勝比古 (2009): 砂岩のサブクリティカルき裂進展に及ぼす湿度の影響,Journal of MMIJ, Vol.125, No.4-5, pp.138-145.
  40. 奈良禎太,米田哲朗,金子勝比古 (2009): 火成岩のサブクリティカルき裂進展に及ぼす湿度の影響,Journal of MMIJ, Vol.125, No.2, pp.57-61.
  41. 奈良禎太, 加藤春實,金子勝比古 (2008): 微視き裂分布評価を目的とした多面体試験片を利用した花崗岩の主軸方向決定法,Journal of MMIJ, Vol.124, No.12, pp.725-732.
  42. 胡桃澤清文,名和豊春,奈良禎太 (2008): セメント硬化体の微細構造と弾性挙動,コンクリート工学年次論文集, Vol.30, pp.591-596.
  43. 胡桃澤清文,名和豊春,奈良禎太 (2008): 空隙構造の異なるセメント硬化体の微細構造と弾性係数,セメント・コンクリート論文集2008, Vol.62, pp.122-127.
  44. 奈良禎太,金子勝比古 (2007): 温度・湿度変化に伴う花崗岩内のP波伝播特性,材料, Vol.56, No.9, pp.803-808.
  45. 奈良禎太 (2007): 岩石のサブクリティカル亀裂進展に関する既往の研究と新たな展開~亀裂進展の時間依存性挙動の把握を目指して~Journal of MMIJ, Vol.123, No.1, pp.2-9.
  46. Y. Nara, K. Koike, T. Yoneda and K. Kaneko (2006): Relation between subcritical crack growth behavior and crack paths in granite, International Journal of Rock Mechanics and Mining Sciences, Vol.43, No.8, pp.1256-1261.
  47. Y. Nara and K. Kaneko (2006): Sub-critical crack growth in anisotropic rock, International Journal of Rock Mechanics and Mining Sciences, Vol.43, No.3, pp.437-453.
  48. Y. Nara and K. Kaneko (2005): Study of subcritical crack growth in andesite using Double Torsion test, International Journal of Rock Mechanics and Mining Sciences, Vol.42, No.4, pp.521-530.
  49. 尾原祐三, 鄭海植, 松山友彦, 奈良禎太, 金子勝比古 (2005): 熊本安山岩の応力腐食指数,Journal of MMIJ, Vol.121, No.4-5, pp.84-89, 2005.
  50. 奈良禎太,今井康暁,金子勝比古 (2004): 岩石におけるサブクリティカル亀裂進展の組織・環境依存性,Journal of MMIJ, Vol.120, No.8, pp.431-439.
  51. 奈良禎太,大野有希,今井康暁,金子勝比古 (2004): 花崗岩における応力腐食による亀裂進展現象の異方性および粒径依存性,Journal of MMIJ, Vol.120, No.1, pp.25-31.
  52. 奈良禎太,金子勝比古 (2003): 花崗岩の異方弾性定数の評価法に関する研究,Journal of MMIJ, Vol.119, No.6-7, pp.396-402.


 国際会議論文

  • Y. Nara and Y. Hamada (2017): Precipitation of calcium compounds on rock kept in calcium hydroxide solution, Proc. Near Surface Geosciences 2017, Paper ID: Mo SES4 10, Malmö, Sweden, Sep. 3-7, 2017.
  • Y. Nara, Y. Nishida, K. Kashiwaya and T. Ii (2017): Mass-transport process in subcritical crack growth in Carrara marble, Proc. EUROCK2017, Paper No.117, Ostrava, Czech Republic, June 20-22, 2017. (Procedia Engineering, Vol.191, pp.525-529, 2017)
  • M. Kato, Y. Nara, D. Fukuda, M. Kohno, Tsutomu Sato, Toshinori Sato and M. Takahashi (2016): Importance of temperature control during permeability test for measuring hydraulic constants rock, Proc. EUROCK2016, pp.259-263, Cappadocia, Turkey, Aug. 29-31, 2016.
  • Y. Nara, R. Kuwatani, M. Kohno, Y. Hamada, M. Kato, Tsutomu Sato and Toshinori Sato (2016): Precipitation of calcium compound on silicate rock surfaces, Proc. 2016 Korea-Japan Joint Symposium on Rock Engineering, pp.34-37, Daejeon, Korea, May 19-20, 2016.
  • Y. Nara, Y. Nishida, T. Ishida and K. Kaneko (2015): Influence of water on subcritical crack growth and long-term strength for carbonate rock, Proc. 13th International Congress on Rock Mechanics (ISRM 2015), Paper No.278, Montreal, Canada, May 10-13, 2015.
  • D. Fukuda, M. Maruyama, J. Kodama, Y. Fujii, N. Aramaki, K. Kaneko and Y. Nara (2015): Evaluation of 3-D strain distribution in lignite based on image analysis, Proc. 13th International Congress on Rock Mechanics (ISRM 2015), Paper No.394, Montreal, Canada, May 10-13, 2015.
  • Y. Nara, H. Kato, K. Kaneko and K. Matsuki (2014): Evaluation of principal stress dirctions and ratio in underground from P-wave velocity measurement in granite, Proc. 8th Asian Rock Mechanics Symposium, pp.336-345, Sapporo, Japan, Oct. 14-16, 2014.
  • A. Nakao, Y. Nara, K. Kashiwaya, T. Ishida and H. Ogawa (2014): Observation of mineral precipitation on rock surface, Proc. 8th Asian Rock Mechanics Symposium, pp.303-309, Sapporo, Japan, Oct. 14-16, 2014.
  • Y. Nishida, Y. Nara, T. Ishida and K. Kaneko (2014): Influence of surrounding environment on subcritical crack growth in marble in air, Proc. 8th Asian Rock Mechanics Symposium, pp.546-552, Sapporo, Japan, Oct. 14-16, 2014.
  • J. Kodama, M. Nakaya, Y. Nara, T. Goto, D. Fukuda, Y. Fujii and K. Kaneko (2014): Observation of fracture process of rocks subjected to freeze-thaw cycles using X-ray CT, Proc. 8th Asian Rock Mechanics Symposium, pp.628-634, Sapporo, Japan, Oct. 14-16, 2014.
  • Y. Nara, Y. Oe, S. Murata, T. Ishida and K. Kaneko (2014): Estimation of long-term strength of rock based on subcritical crack growth measurement, Proc. 12th Congress of the International Association for Engineering Geology and the Environment, pp.2157-2160, Turin, Italy, Sep. 15-19, 2014.
  • T. Ishida, Y. Nagaya, S. Inui, K. Aoyagi, Y. Nara, Y. Chen, Q. Chen and Y. Nakayama (2013): AE monitoring of hydraulic fracturing experiments with CO2 and water, Proc. EUROCK2013, pp.957-962, Wroclaw, Poland, Sep. 21-26, 2013.
  • A. NakaoY. Nara, S. Murata, T. Ishida and K. Kaneko (2013): P-wave velocity in sandstone under controlled emperature and humidity, Proc. 6th International Symposium on In-Situ Rock Stress, pp.932-939, Sendai, Japan, Aug. 20-22, 2013. 
  • S. Murata, Y. Nara, H. Ito, O. Sano and O. Nishizawa (2013): Multi-channel elastic wave velocity measurement for anisotropic rock specimens under very high confining pressure, Proc. 6th International Symposium on In-Situ Rock Stress, pp.453-462, Sendai, Japan, Aug. 20-22, 2013.  
  • M. Maruyama, Y. Kakuda, D. Fukuda, Y. Nara and K. Kaneko (2013): Evaluation of strain distribution in rock by 3-D image analysis, Proc. 6th International Symposium on In-Situ Rock Stress, pp.764-771, Sendai, Japan, Aug. 20-22, 2013.   
  • D. Fukuda, Y. Nara, M. Maruyama and K. Kaneko (2013): Investigation of sealing behavior of fracture in cementitious material in ground water using micro-focus X-ray CT and 3D image analysis, Proc. 1st International Conference on Tomography of Materials and Structures, Book of Abstract - Talk -, pp.159-162, Ghent, Belgium, July 1-5, 2013.
  • Y. Nara, Y. Oe, S. Murata, T. Ishida, R. Nakabayashi and T. Yoneda (2013): Influence of water on subcritical crack growth in marble, Proc. 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013 (London 2013), Paper No. Th P09 03,  London, UK, June 10-13, 2013.
  • Y. Nara, P.G. Meredith, R. Nakabayashi, T. Yoneda and K. Kaneko (2012): Influence of pores, fractures and pressure on permeability and elastic wave velocities in rock, Proc. 7th Asian Rock Mechanics Symposium, pp.202-209, Seoul, Korea, Oct. 15-19, 2012.
  • Y. Nara, R. Nakabayashi, N. Hiroyoshi, T. Yoneda, K. Kaneko, S. Murata and T. Ishida (2012): Subcritical crack growth in sandstone in water with various electrolyte concentrations, Proc. Near Surface Geoscience 2012, Paper No.P07, Paris, France, Sep. 3-5, 2012.
  • M. Maruyama, D. Fukuda, R. Nakabayashi, K. Kaneko, Y. Nara and H. Ogawa (2012): Observation of Sealing behavior of fracture in cementitious materials by X-ray CT and SEM-EDX, Proc. Mini-Symposium "X-ray CT Application in Geotechnical Engineering" in the 2012 International Conference on Geomechanics & Engineering, pp.229-241, Seoul, Korea, Aug. 26-29, 2012.
  • Y. Nara, K. Kaneko, T. Yoneda, N. Hiroyoshi and K. Morimoto (2011): Influence of humidity and rock fabric on subcritical crack growth in rock, Proc. 12th International Congress on Rock Mechanics (ISRM 2011), pp.757-760, Beijing, China, Oct. 18-21, 2011.
  • Y. Nara, H. Kato, T. Yoneda and K. Kaneko (2010): Determination of microcrack distribution and principal axes in granite, Proc. 11th Congress of the International Association for Engineering Geology and the Environment (IAEG 2010), pp.3395-3402, Auckland, New Zealand, Sep. 5-10, 2010.
  • Y. Nara, T. Igarashi, N. Hiroyoshi, T. Yoneda and K. Kaneko (2010): Effect of water on subcritical crack growth index and long-term strength for rock, Proc. 72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010 (Barcelona 2010), Paper No.P245, Barcelona, Spain, June 14-17, 2010.
  • D. Fukuda, Y. Nara, D. Mori and K. Kaneko (2010): Sealing behavior of fracture in cementitious material with micro-focus X-ray CT, Proc. GeoX 2010, pp.148-155, New Orleans, Louisiana, USA, March 1-3, 2010.
  • Y. Nara, T. Yoneda and K. Kaneko (2009): Effect of humidity on fracture toughness and slow crack growth in sandstone, Proc. EUROCK 2009, pp.313-319, Dubrovnik, Croatia, Oct. 29-31, 2009.
  • Y. Watanabe, Y. Nara, D. Mori, H. Owada, H. Nakanishi and K. Kaneko (2009): Subcritical crack growth and long-term strength of rocklike materials, Proc. 2009 Korea-Japan Joint Symposium on Rock Engineering, pp.435-442, Suwon, Korea, Oct. 22-23, 2009.
  • Y. Nara, T. Yoneda and K. Kaneko (2009): Effect of the relative humidity on subcritical crack growth in sandstone, Proc. 71st EAGE Conference & Exhibition incorporating SPE EUROPEC 2009 (AMSTERDAM 2009), Paper No.Z017, Amsterdam, Netherlands, June 8-11, 2009.
  • Y. Nara, D. Mori, H. Owada and K. Kaneko (2008): Study of subcritical crack growth and long-term strength for rock and cementitious material for radioactive waste disposal, Proc. 1st Southern Hemisphere International Rock Mechanics Symposium (SHIRMS 2008), Vol.2, pp.135-147, Perth, Australia, Sep. 16-19, 2008.
  • Y. Nara, Y. Ichihara, M. Sawada, S. Tomita and K. Kaneko (2008): Effects of the relative humidity on the crack growth in rocks, Proc. 70th EAGE Conference & Exhibition incorporating SPE EUROPEC 2008 (ROME 2008), Paper No.D032, Rome, Italy, June 9-12, 2008.
  • Y. Nara, M. Takada, T. Igarashi, N. Hiroyoshi and K. Kaneko (2007): Subcritical crack growth in rocks under aqueous environment, Proc. 19th International Geophysical Conference and Exhibition, Paper No.40, Perth, Australia, Nov. 18-22, 2007.
  • Y. Nara and K. Kaneko (2007): Subcritical crack growth in granite, Proc. ISRM 11th International Congress on Rock Mechanics, pp.101-104, Lisbon, Portugal, July 9-13, 2007.
  • Y. Nara, M. Takada, K. Kaneko, H. Owada and T. Hiraishi (2007): Experimental study of subcritical crack growth in brittle materials, Proc. 1st Canada-U.S. Rock Mechanics Symposium, pp.599-606, Vancouver, Canada, May 27-31, 2007.
  • Y. Nara, H. Kurata and K. Kaneko (2006): Subcritical crack growth in rocks under water environment, Proc. 16th European Conference of Fracture, Paper No.76, Alexandroupolis, Greece, July 3-7, 2006.
  • Y. Nara and K. Kaneko (2006): The change of P-wave velocity by the thermal stress and humidity in granite, Proc. EUROCK 06, pp.435-441, Liege, Belgium, May 9-12, 2006.
  • Y. Nara and K. Kaneko (2006): The effects of temperature and the relative humidity on the properties of the elastic wave propagation in granite, Proc. GeoCongress 2006, Atlanta, Georgia, USA, Feb. 26 - March 1, 2006 (in CD-ROM).
  • Y. Nara, T. Yoneda and K. Kaneko (2005): Relation between the subcritical crack growth behavior and crack path in granite, Proc. 2005 East Asia Joint Symposium on Rock Engineering, pp.79-86, Fukuoka, Japan, Aug. 9-10, 2005.
  • Y. Nara, H. Kurata and K. Kaneko (2005): Effects of rock fabric and environmental conditions on subcritial crack growth in rocks, Proc. the 40th U.S. Rock Mechanics Symposium (Alaska Rocks 2005), Paper No.736, Anchorage, Alaska, USA, June 25-29, 2005 (in CD-ROM).
  • Y. Nara, T. Yoneda and K. Kaneko (2005): Analysis of crack path for subcritical crack growth in rocks, Proc. EUROCK 2005, pp.405-411, Brno, Czech Republic, May 18-20, 2005.
  • Y. Nara, Y. Imai and K. Kaneko (2004): Experimental study on subcritical crack growth in granite, Proc. the ISRM Regional Symposium EUROCK 2004 and 53rd Geomechanics Colloquy, pp.487-490, Salzburg, Austria, Oct. 7-9, 2004.
  • H. S. Jeong, Y. Nara, Y. Obara and K. Kaneko (2003): Stress corrosion index of Kumamoto andesite estimated from two types of testing method, Proc. the International Symposium on the Fusion technology of Geosystem Engineering, Rock Engineering and Geophysical Exploration, pp.221-228, Seoul, Korea, Nov. 18-19, 2003.
  • Y. Nara and K. Kaneko (2003): Dependence of subcritical crack growth in rocks on water vapor pressure, Proc. GeoProc 2003, pp.526-531, Stockholm, Sweden, Oct. 13-15, 2003.
  • Y. Nara, T. Yoneda and K. Kaneko (2002): Anisotropy of subcritical crack growth in granite, Proc. 2002 ISRM Regional Symposium (3rd Korea-Japan Joint Symposium) on Rock Engineering Problems and Approaches in Underground Construction, Vol.1, pp.235-242, Seoul, Korea, July 22-24, 2002.

 

 その他の文献

  1. Y. Nara, K. Kaneko, T. Yoneda, N. Hiroyoshi and K. Morimoto (2012): Effects of relative humidity and temperature on subcritical crack growth in rock, International Journal of the JCRM, Vol.8, No.1, pp.11-14.
    平成23年度岩の力学連合会論文賞受賞報告 

 

 受賞歴

  1. 平成26年度資源・素材学会第40回論文賞(受賞者:當麻玄大・村田澄彦・三小田昌史・石田裕之・正代知幸・湯浅友輝・奈良禎太・石田毅),受賞業績名:発破低周波音振動減のための最適起爆秒時差,受賞日:平成27年3月28日,◆対象論文:Journal of MMIJ Vol.129(2013),No.10,11,pp.626-634
  2. International Journal of Rock Mechanics and Mining Sciences, Outstanding Contribution in Reviewing, (受賞者:Y. Nara, 受賞日:2015年2月)
  3. 平成23年度岩の力学連合会論文賞(受賞者:奈良禎太・金子勝比古・米田哲朗・広吉直樹・森本和也),受賞業績名:岩石のサブクリティカルき裂進展に及ぼす相対湿度と温度の影響に関する研究受賞日:2012615
    対象論文(1): Y. Nara, N. Hiroyoshi, T. Yoneda and K. Kaneko (2010): Effects of relative humidity and temperature on subcritical crack growth in igneous rock, Int. J. Rock Mech. Min. Sci., Vol.47, No.4, pp.640-646.
    対象論文(2): Y. Nara, K. Morimoto, T. Yoneda, N. Hiroyoshi and K. Kaneko (2011): Effects of humidity and temperature on subcritical crack growth in sandstone, Int. J. Solids Struct., Vol.48, No.7-8, pp.1130-1140. 
  4. 資源・素材学会平成22年度若手ポスター賞(受賞者:渡邊脩斗,共著者:奈良禎太・金子勝比古・森大介・大和田仁・中西博),題目:岩質材料のサブクリティカル亀裂進展における繊維補強効果受賞日:2010914
  5. 資源・素材学会第31回奨励賞(受賞者:奈良禎太),題目:物理化学反応を組み入れた岩石破壊力学の先駆的研究,受賞日:2006328

 

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