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Is cohesive soil grounds stable even at the magnificent?

Research Project

Project/Area Number 16H02362
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Geotechnical engineering
Research InstitutionIbaraki University

Principal Investigator

Yasuhara Kazuya  茨城大学, 地球変動適応科学研究機関, 特命研究員 (20069826)

Co-Investigator(Kenkyū-buntansha) 小高 猛司  名城大学, 理工学部, 教授 (00252271)
村上 哲  福岡大学, 工学部, 教授 (10261744)
風間 基樹  東北大学, 工学研究科, 教授 (20261597)
兵動 正幸  山口大学, 大学院創成科学研究科, 教授(特命) (40130091)
大塚 悟  長岡技術科学大学, 工学研究科, 教授 (40194203)
仙頭 紀明  日本大学, 工学部, 教授 (40333835)
松田 博  山口大学, 大学院創成科学研究科, 教授(特命) (50136131)
磯部 公一  北海道大学, 工学研究院, 准教授 (70452084)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥38,480,000 (Direct Cost: ¥29,600,000、Indirect Cost: ¥8,880,000)
Fiscal Year 2019: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2018: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2017: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
Fiscal Year 2016: ¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Keywords地震地盤災害 / 熊本地震 / 住宅基礎 / 火山灰質土 / 地下水位 / 傾斜地 / 締固め / 宅地基礎地盤 / 粘性土 / 残留変形 / 安定性 / 地震後沈下 / 大規模地震 / 不安定性 / 地震動増幅 / 住宅と擁壁 / 沈下 / 対策 / 地震動 / 変形と沈下 / 地震時支持力 / 地震時土圧 / 堆積構造 / 地震動の非線形性 / 変状のメカニズム / 地形 / 地震後長期沈下 / 地震履歴 / 遠心載荷試験 / 地震 / 自然災害 / 予測
Outline of Final Research Achievements

Clarification of cohesive soil behavior during and after earthquakes was achieved through field investigation, laboratory experiments, and numerical analysis, with special emphasis on earthquake-induced residual deformation, instability and post-earthquake settlements. Instability of residential foundations is accelerated by rising groundwater levels and by the increasing gradient of foundations. Even for gently sloping foundations, the importance of initial shear stress was emphasized when evaluating the severity of residual deformation of residences during earthquakes. In relation to the post-earthquake settlement, highly structured cohesive soils induce marked settlement and also prolong settlement. Results of field observations and numerical analyses proved that the combined technique of a partial embankment removal with sheet pile installation between embankments and residences was effective as a countermeasure against the instability of embankments caused by earthquakes.

Academic Significance and Societal Importance of the Research Achievements

本研究の成果は,地震時においては,砂質土地盤だけではなく,粘性土地盤においても注意を払う必要があることを指摘している。特に,構造物下や傾斜地盤においては,地震時変状が顕著に表れることは,初期せん断の考慮が重要であることを示している。このことは地震動力学上の重要な知見である。粘性土地盤に対しては,常時の変状のために行っている事前対応を丁寧に施すことが地震後の変状を低減することを事例研究から示唆した。
研究全体を通じては,2016年熊本地震における宅地被害に見られるように,“粘性土は地震時には安全である”というのは,“神話”であり,この神話を信じる限り,“想定外”はなくならないという教訓を得た。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (80 results)

All 2020 2019 2018 2017 2016

All Journal Article (19 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 19 results,  Open Access: 5 results,  Acknowledgement Compliant: 1 results) Presentation (61 results) (of which Int'l Joint Research: 21 results)

  • [Journal Article] Wide-area Land Subsidence of Kashiwazaki Plain due to the 2007 Niigata-ken Chuetsu-Oki earthquake, .2020

    • Author(s)
      Satoru Ohtsuka, Koichi Isobe and Yutaka Fukumoto
    • Journal Title

      Geotechnical Engineering Journal of the SEAGS & AGSSEA

      Volume: 51(6)

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 火山灰質粘性土の地震時繰返し軟化に基づく住宅基礎地盤の変状の考察2020

    • Author(s)
      安原一哉,渡邉大樹,小林 薫,荒井靖仁,佐藤恭兵,兵動正幸,馬場敏和
    • Journal Title

      地盤工学ジャーナル

      Volume: 未定

    • NAID

      130007866848

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Group effect on ultimate lateral resistance of piles against uniform ground movement2019

    • Author(s)
      Quang, N. P., Ohtsuka, S., Isobe, K. and Fukumoto, Y.
    • Journal Title

      Soils and Foundations

      Volume: 59(1) Pages: 27-40

    • NAID

      120006950848

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Influence of Initial Static Shear and Seismic History on Seismic Shear Behavior of Volcanic Clayey Soil at Residential Area Damaged by the 2016 Kumamoto Earthquake, Japan2019

    • Author(s)
      泉谷聡志,加村晃良,金鍾官,佐藤真吾,風間基樹
    • Journal Title

      Journal of Japan Association for Earthquake Engineering

      Volume: 19 Issue: 6 Pages: 6_1-6_15

    • DOI

      10.5610/jaee.19.6_1

    • NAID

      130007739837

    • ISSN
      1884-6246
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Settlement of River Dykes and their Adjacent Residences on Soft Clay Deposits after the Tohoku-Pacific Ocean Earthquake in 20112019

    • Author(s)
      Yasuhara, K., Yang, S.S., Horikawa, T. and Yamane, H.
    • Journal Title

      Geotechnical Eng. Journal of the SEAGS & AGSSEA

      Volume: 40(2) Pages: 41-48

    • Related Report
      2019 Annual Research Report 2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Group effect on ultimate lateral resistance of piles against uniform ground movement2019

    • Author(s)
      Quang N. Pham, Satoru Ohtsuka, Koichi Isobe and Yutaka Fukumoto
    • Journal Title

      Soils and Foundations

      Volume: 59/5 Issue: 1 Pages: 27-40

    • DOI

      10.1016/j.sandf.2018.08.013

    • NAID

      120006950848

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 複雑な地盤堆積環境における火山灰質土の液状化挙動に関する数値解析2019

    • Author(s)
      門前史孝,磯部公一,江川拓也
    • Journal Title

      地盤工学会北海道支部技術報告集

      Volume: 第59号 Pages: 137-144

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Instability of residences founded on volcanic cohesive soils during the 2016 Kumamoto Earthquake2018

    • Author(s)
      K. Yasuhara, H. Watanabe, K. Kobayashi, M. Yoshimi, Y. Arai, S. Hosoya, M., S. Tajiri, and S. Murakami
    • Journal Title

      Lowland Technology International

      Volume: 19/3 Pages: 205-216

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ultimate lateral resistance of piles group in clayey soils against various directions of ground movement2018

    • Author(s)
      Quang N. Pham, Satoru Ohtsuka, Koichi Isobe and Yutaka Fukumoto
    • Journal Title

      Proc. of first Vietnam Symposium on Advances in Offshore Engineering

      Volume: 5/16 Pages: 408-414

    • DOI

      10.1007/978-981-13-2306-5_57

    • ISBN
      9789811323058, 9789811323065
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Ultimate bearing capacity of footing under squeeze breakdown using rigid-plastic finite element method2018

    • Author(s)
      Kazuhiro Kaneda, Masamichi Aoki, Tomohiro Tanikawa and Satoru Ohtsuka
    • Journal Title

      International Journal on Geotechnique, Construction Materials and Environment

      Volume: 30

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Earthquake-induced settlement of a clay layer2018

    • Author(s)
      Hidemasa Sato, Tran Thanh Nhan, Hiroshi Matsuda
    • Journal Title

      Soil Dynamics and Earthquake Engineering,

      Volume: Vol.104 Pages: 418-431

    • DOI

      10.1016/j.soildyn.2017.11.006

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Instability of residences founded on volcanic cohesive soils during the 2016 Kumamoto Earthquake2018

    • Author(s)
      K. Yasuhara, H. Watanabe, K. Kobayashi, M. Yoshimi, Y. Arai, S. Hosoya, M., S. Tajiri,, and S.Murakami:
    • Journal Title

      Lowland Technology International Journal

      Volume: 19(3), Pages: 215-226

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Analysis of wide area landslides induced by 2004 Mid Niigata prefecture earthquake in Japan2017

    • Author(s)
      Surangani Bandara and Satoru Ohtsuka
    • Journal Title

      Landslides

      Volume: , Vol.14, No.6, Issue: 6 Pages: 1877-1886

    • DOI

      10.1007/s10346-017-0819-6

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Comparison of sheared granular soils: Same void ratio but considerably different fabric2017

    • Author(s)
      Yutaka Fukumoto,Satoru Ohtsuka
    • Journal Title

      Geotechnical Engineering Journal of the SEAGS & AGSSEA,

      Volume: Vol.48, No.4, Pages: 32-39

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] NUMERICAL METHOD FOR ACTIVE EARTH PRESSURE OF RETAINING WALL UNDER STATIC AND SEISMIC CONDITIONS2017

    • Author(s)
      水野和憲,前田宗春,大塚悟,小林俊一
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))

      Volume: 73 Issue: 2 Pages: I_313-I_320

    • DOI

      10.2208/jscejam.73.I_313

    • NAID

      130006329828

    • ISSN
      2185-4661
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Post-Cyclic Recompression of Clays Subjected to Undrained Cyclic Shear2017

    • Author(s)
      Tran T. Nhan and Hiroshi Matsuda
    • Journal Title

      Geotechnical Frontiers 2017: Seismic Performance and Liquefaction, ASCE, Geotechnical Frontiers 2017: Seismic Performance and Liquefaction, ASCE, pp.109-120, March 30, 201717

      Volume: - Pages: 109-120

    • DOI

      10.1061/9780784480489.012

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A model for multi-directional cyclic shear-induced pore water pressure and settlement on clays2017

    • Author(s)
      Tran Thanh Nhan, Hiroshi Matsuda, Hidemasa Sato
    • Journal Title

      Bulletin of Earthquake Engineering,

      Volume: Vol.15, No.7 Issue: 7 Pages: 2761-2784

    • DOI

      10.1007/s10518-017-0086-x

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 粘性土地盤の地震波増幅作用に関する遠心模型実験2017

    • Author(s)
      畑中佑太,磯部公一
    • Journal Title

      地盤工学会北海道支部技術報告集

      Volume: 57 Pages: 263-272

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 新潟地方における特色ある地域地盤の特性例と調査・設計・施工上の問題点2016

    • Author(s)
      大塚悟,金子俊哉,高橋浩之,西達也
    • Journal Title

      基礎工

      Volume: 44 Pages: 30-35

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Presentation] Centrifuge model tests on long-term consolidation of clay ground after earthquakes and negative impact against seismic behavior of upper liquefiable sand caused by clay ground,2019

    • Author(s)
      Isobe, K. Hatanaka, Y. and Tomisawa, K.
    • Organizer
      Proceedings of the 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Taipei, Taiwan
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Seismic behavior of clayey volcanic soil in residential area damaged by the 2016 Kumamoto earthquake in Japan,2019

    • Author(s)
      S. Izumiya, A.Kamura, M. Kazama & J. Kim
    • Organizer
      Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions, Silvestri & Moraci (Eds), Rome, Italy
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 様々な圧密履歴と非排水繰返しせん断履歴を受けた粘性土の沈下量2019

    • Author(s)
      仙頭紀明,関根優介
    • Organizer
      第54回地盤工学研究発表会,pp.1633-1634,2019.7.16 ,ソニックシティ(さいたま市)
    • Related Report
      2019 Annual Research Report
  • [Presentation] 圧密降伏応力超過条件下での自然堆積粘性土の繰返しせん断による圧縮特性2019

    • Author(s)
      久保裕一,小高猛司,李圭太,田中貴之
    • Organizer
      第74回土木学会年次学術講演会,高松,Ⅲ-305, CD-ROM
    • Related Report
      2019 Annual Research Report
  • [Presentation] Analysis for wide-area land subsidence of Kashiwazaki Plain due to the 2007 Niigata-ken Chuetsu-Oki earthquake,2019

    • Author(s)
      Satoru Ohtsuka, Koichi Isobe and Yutaka Fukumoto
    • Organizer
      7th International Conference on Earthquake Geotechnical Engineering, Roma, Italy
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Post-cyclic degradation in volcanic ash cohesive soils related to devastating residential damage during and after the 2016 Kumamoto earthquake,2019

    • Author(s)
      Yasuhara, K., Watanabe, M, Kobayashi, K., Arai, Y. and and Sato, K.
    • Organizer
      Proc. 16th Asian Regional Conf. on Soil Mechanics & Foundation Eng., Oct. 14-18, 2019, Taipei, Taiwan, ATC3-9 (CD ROM)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Cyclic degradation of volcanic ash cohesive soil strength and stiffness,2019

    • Author(s)
      Yasuhara K, Watanabe M, Kobayashi K, Arai Y, Hyodo M.
    • Organizer
      Proc. Seventh International Conf. Earthquake Geotechnical Eng., Rome, Italy, 5746-5753, ISBN 978-0-387-14328-2.
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effects of earthquake on the secondary consolidation of saturated clay,2019

    • Author(s)
      Hiroshi Matsuda, Tran Thanh Nhan, Hidemasa Sato and Hoang Thi Sinh Huong
    • Organizer
      Geotechnics for Sustainable Infrastructure Development - Geotec Hanoi 2019, pp.1411-1417.
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Spatial Distribution of Volcanic Ash Soil Layers by Cokriging Interpolation Method in Mashiki Town, Kumamoto2019

    • Author(s)
      Nomiyama, H., Murakami, S.
    • Organizer
      Proceeding of the 4th International Conference on Geotechnics for Sustainable Infrastructure Development, pp.1081-1085. (2019.11)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 火山灰質粘性土の繰返し軟化2019

    • Author(s)
      安原一哉
    • Organizer
      土木学会西部支部研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 平成28年熊本地震による益城町火山灰質粘性土地盤での宅地擁壁被害の特徴2019

    • Author(s)
      松嶋和希, 村上 哲, 櫨原弘貴,野見山 陽
    • Organizer
      土木学会西部支部研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 益城町火山灰質土地盤の黒ボク、赤ボク、灰土の層厚分布の推定2019

    • Author(s)
      野見山 陽, 村上 哲, 櫨原弘貴
    • Organizer
      土木学会西部支部研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 過圧密比が異なる粘性土における非排水繰返しせん断後の沈下量評価2019

    • Author(s)
      関根優介,仙頭紀明
    • Organizer
      土木学会東北支部技術研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 細粒分が卓越した疑似粘性土堤防の強度評価の注意点2019

    • Author(s)
      小高猛司,李 圭太,久保裕一,石原雅規,中山雄人
    • Organizer
      第54回地盤工学研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 正規圧密自然堆積粘土の繰返しせん断による沈下に及ぼす構造の影響2019

    • Author(s)
      久保裕一,小高猛司,李 圭太,田中貴之
    • Organizer
      第54回地盤工学研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Cyclic degradation of volcanic ash cohesive soil2019

    • Author(s)
      K. Yasuhara, M. Watanabe, K. Kobayashi, Y. Arai, and M. Hyodo
    • Organizer
      7th International Conference on Earthquake Geotechnical Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Seismic shear behavior of clayey volcanic soil in residential area damaged by the 2016 Kumamoto earthquakes in Japan2019

    • Author(s)
      Kazama,J. Kim and S. Sato
    • Organizer
      7th International Conference on Earthquake Geotechnical Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Analysis for wide-area land subsidence of Kashiwazaki Plain due to the 2007 Niigata-ken Chuetsu-Oki earthquake2019

    • Author(s)
      Satoru Ohtsuka, Koichi Isobe and Yutaka Fukumoto
    • Organizer
      7th International Conference on Earthquake Geotechnical Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Reactive Measure Effects on River Dyke Instability and Adjacent Residences on Soft Clay Deposits after the Tohoku-Pacific Ocean Earthquake of 20112018

    • Author(s)
      Yasuhara、K., Yang, X. S., Horikawa, T., and Yamane, H.
    • Organizer
      1st International Conf. on Press-in Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ultimate lateral resistance of piles group in clayey soils against various directions of ground movement2018

    • Author(s)
      Quang NPham, Satoru Ohtsuka, Koichi Isobe and Yutaka Fukumoto
    • Organizer
      First Vietnam Symposium on Advances in Offshore Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Seismic amplification of clay ground and long-term consolidation after earthquake2018

    • Author(s)
      Hatanaka, Y. and Isobe, K.
    • Organizer
      Proceedings of the 9th International Conference on Physical Modelling in Geotechnics
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Multi-directional Cyclic Shear Induced Pore Pressure and Settlement of Undisturbed Clay2018

    • Author(s)
      Matsuda, TT. Nhan, H. Sato and H. Hara
    • Organizer
      Proc. Eleventh U.S. National Conference on Earthquake Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effects of Multi-directional Cyclic Shear on the Secondary Consolidation of Saturated Clay2018

    • Author(s)
      TT. Nhan, H. Sato, H. Matsuda, H.T.S. Huong, Q. Thien and T. N. Tin
    • Organizer
      Eleventh U.S. National Conference on Earthquake Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effects of undrained cyclic shear and Atterberg’s Limits on the secondary consolidation of soft soils2018

    • Author(s)
      Tran Thanh Nhan, Hiroshi Matsuda, Hoang Thi Sinh Huong, Hidemasa Sato, Do Quang Thien, Duong Phuoc Huy, Nguyen Van Thien, Lai Phuoc Thanh Hoai, Vo Thanh Men, Tran Thi Anh Dai and Nhu Viet Ha
    • Organizer
      4th International Conference, VIETGEO 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Spatial Distribution of Volcanic Ash Soil Layers in Mashiki Town, Kumamoto2018

    • Author(s)
      Nomiyama,H., Murakami,S. , Hirata,R..
    • Organizer
      International Symposium on Lowland Technology (ISLT 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 火山灰質粘性土の繰返し劣化に基づく住宅基礎地盤の地震時変状の考察2018

    • Author(s)
      安原一哉,渡邉大樹,小林 薫,鹿住大輔,兵動正幸,馬場敏和
    • Organizer
      第61回地盤工学シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] 火山灰質粘性土の繰返し劣化に基づく住宅基礎地盤の地震時不安定性評価2018

    • Author(s)
      安原一哉,渡邉大樹,小林 薫,鹿住大輔,兵動正幸,馬場敏和
    • Organizer
      第15回日本地震工学シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] 2016年熊本地震で被害を受けた地地盤における火山灰質粘性土の地震時せん断挙動について2018

    • Author(s)
      泉谷聡志,加村晃良,金鍾官,佐藤真吾,風間基樹
    • Organizer
      第15回日本地震工学シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] 2度にわたる大規模地震でも完全崩壊しなかったEPS 盛土:熊本地震被災事例からの教訓2018

    • Author(s)
      安原一哉,小浪岳治,種市敬一,窪田達郎,塚本英樹
    • Organizer
      第33回ジオシンセティックスシンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] 繰返し荷重を受けた火山灰質粘性土の強度と剛性の劣化とその評価2018

    • Author(s)
      安原一哉,渡邊大樹,小林 薫,吉見雅行,荒井靖仁,掛川智仁,佐藤恭兵,新垣 芳一
    • Organizer
      第53回地盤工学研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 2016年熊本地震における益城町の滑動崩落について2018

    • Author(s)
      佐藤真吾,松下一樹,風間基樹,泉谷聡志,坂本忠一,箱嶋 斉
    • Organizer
      第53回地盤工学研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 粘土の繰返しせん断後沈下に及ぼす撹乱の影響について.2018

    • Author(s)
      佐藤秀政,Tran Thanh Nhan, 原 弘行, 松田 博
    • Organizer
      第53回地盤工学研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Group effect on ultimate lateral resistance of piles against uniform ground movement2018

    • Author(s)
      Quang N. Pham, Satoru Ohtsuka, Yutaka Fukumoto and Koichi Isobe
    • Organizer
      地盤工学会第53回地盤工学研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 繰返し荷重を受けた火山灰性粘性土の強度と剛性の劣化特性2018

    • Author(s)
      安原一哉,小林 薫,渡邉大樹,荒井靖仁,佐藤恭兵,兵動正幸,小川正宏,馬場敏和
    • Organizer
      第73回土木学会年次学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 地震を受けた軟弱粘性土地盤の沈下挙動に関する研究2018

    • Author(s)
      仙頭紀明,鈴木雄大
    • Organizer
      土木学会第73回年次学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Cokriging法による益城町における火山灰質土地盤の層構造の空間分布推定2018

    • Author(s)
      野見山陽,村上哲,櫨原弘貴
    • Organizer
      土木学会第73回年次学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 粒度の異なる砂と粘土の混合土の非排水繰返しせん断特性2018

    • Author(s)
      兵動正幸,坂口勇人,小川正宏,渡邊学歩
    • Organizer
      土木学会第73回年次学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 粘性土の繰返し軟化を関連づける損傷パラメータ:過剰間隙水圧か?両振幅ひずみか?2018

    • Author(s)
      安原一哉,鹿住大輔,渡邊大樹,小林 薫
    • Organizer
      第16回地盤工学会関東支部研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 振動台模型実験による種々の地盤のせん断剛性のひずみ依存性と過剰間隙水圧の影響評価2018

    • Author(s)
      磯部公一、西井優、畑中佑太、門前史孝
    • Organizer
      第58回地盤工学会北海道支部技術報告集,寒地土木研究所(札幌市)
    • Related Report
      2017 Annual Research Report
  • [Presentation] 粘性土地盤が直上砂地盤の地震時挙動に及ぼす影響2018

    • Author(s)
      畑中佑太、磯部公一、鬼村果穂
    • Organizer
      第58回地盤工学会北海道支部技術報告集,寒地土木研究所(札幌市)
    • Related Report
      2017 Annual Research Report
  • [Presentation] 熊本地震における火山灰性粘性土基礎地盤の支持力低下と擁壁土圧増加に関する考察2018

    • Author(s)
      安原一哉、田尻雅則
    • Organizer
      土木学会西部支部研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Seismic amplification of clay ground and long-term consolidation after earthquake2018

    • Author(s)
      Hatanaka, Y. and Isobe, K.
    • Organizer
      9th International Conference on Physical Modelling in Geotechnics 2018,City University of London(London)
    • Related Report
      2017 Annual Research Report
  • [Presentation] 益城町における火山灰質土地盤の層構造の空間分布推定2018

    • Author(s)
      野見山陽・村上哲・櫨原弘貴
    • Organizer
      平成29年度土木学会西部支部研究発表会、宮崎市,宮崎大学
    • Related Report
      2017 Annual Research Report
  • [Presentation] Effects of cyclic shear direction on earthquake-induced pore water pressure and settlement of clay layer2017

    • Author(s)
      H. Matsuda, T. T. Nhan, H. Sato
    • Organizer
      16th World Conference on Earthquake Engineering
    • Place of Presentation
      Santiago, Chile
    • Year and Date
      2017-01-09
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 遠心模型実験による粘性土地盤の地震波応答特性の検証2017

    • Author(s)
      畑中佑太,磯部公一
    • Organizer
      第52回地盤工学研究発表会,名古屋国際会議場(名古屋市)
    • Related Report
      2017 Annual Research Report
  • [Presentation] 東北地方太平洋沖地震の地震せん断履歴を用いた乱さない海成粘土の圧密・せん断挙動について2017

    • Author(s)
      泉谷聡志,風間基樹,河井正,金鍾官
    • Organizer
      第52回地盤工学研究発表会,名古屋,名古屋国際会議場
    • Related Report
      2017 Annual Research Report
  • [Presentation] 柏崎平野の地震後地盤沈下に関する地形・地質調査2017

    • Author(s)
      HO SY QUOC, 大塚 悟, 長谷川拓也
    • Organizer
      土木学会関東支部新潟会研究調査発表会論文集,Vol.35
    • Related Report
      2017 Annual Research Report
  • [Presentation] Settlement of river dykes and their adjacent residences on soft clay deposits, after the Tohoku-Pacific Ocean Earthquake in 20112017

    • Author(s)
      Yasuhara, K., Yang, X. S., Horikawa, T. and Yamane, H.
    • Organizer
      SEAGS 50th Anniversary Symposium Proceedings:
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 熊本地震時の益城町における住宅と擁壁の変状に関する考察2017

    • Author(s)
      安原一哉、渡邉大樹、田尻雅則、村上 哲、吉見雅行、荒井靖仁
    • Organizer
      2017年地震工学研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 熊本地震における家屋被害に関わったと思われる火山灰性粘性土の動的変形特性2017

    • Author(s)
      安原一哉、渡邉大樹、小林 薫、吉見雅行、荒井靖仁
    • Organizer
      第73回土木学会年次学術講演会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 地震時における粘性土地盤上の河川堤防の変状低減に対する対策工の効果2017

    • Author(s)
      安原一哉、楊 雪松、堀川太郎、山根秀嗣
    • Organizer
      第52 回地盤工学研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 地震時における火山灰性粘性土上の小規模建築物の不安定性の簡易予測2017

    • Author(s)
      渡邉大樹、安原一哉、小林 薫、吉見雅行、荒井靖仁、村上 哲
    • Organizer
      第52 回地盤工学研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 多方向繰返しせん断を受けた粘性土の圧密係数について2017

    • Author(s)
      佐藤秀政・Tran Thanh Nhan・松田 博
    • Organizer
      第52回地盤工学研究発表会,名古屋市,国際会議場
    • Related Report
      2017 Annual Research Report
  • [Presentation] 多方向繰返しせん断後の不撹乱粘土の再圧密特性について2017

    • Author(s)
      佐藤 秀政,Tran Thanh Nhan,稗田 拓郎,松田 博
    • Organizer
      土木学会第72回年次学術講演会, 福岡市,九州大学
    • Related Report
      2017 Annual Research Report
  • [Presentation] 柏崎平野の地震後地盤沈下挙動の分析2017

    • Author(s)
      西達也,佐藤豊,大塚悟
    • Organizer
      日本応用地質学会北陸支部平成28年度研究発表会
    • Place of Presentation
      新潟市技術士センタービル
    • Related Report
      2016 Annual Research Report
  • [Presentation] Instability of residences on volcanic ash cohesive soils during the 2016, Kumamoto Earthquake2017

    • Author(s)
      Yasuhara, K., et al.
    • Organizer
      Proceedings of the International Workshop on the 2016 Kumamoto Earthquake.
    • Place of Presentation
      九州大学
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 常総市における地盤沈下に与えた地震の影響について2017

    • Author(s)
      高本泰規・村上 哲・櫨原弘貴
    • Organizer
      平成28年度土木学会西部支部研究発表会
    • Place of Presentation
      佐賀大学
    • Related Report
      2016 Annual Research Report
  • [Presentation] 益城町秋津川周辺の地盤の特徴について2017

    • Author(s)
      寺田 陽・村上 哲・櫨原弘貴
    • Organizer
      平成28年度土木学会西部支部研究発表会
    • Place of Presentation
      佐賀大学
    • Related Report
      2016 Annual Research Report
  • [Presentation] A development of pore water pressure model for multi-directional cyclic shearing on normally consolidated clays..2016

    • Author(s)
      Tran Thanh Nhan and Hiroshi Matsuda
    • Organizer
      69th Annual Canadian Geotechnical Conference
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      2016-10-02
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 遠心模型実験を用いた高位構造粘土地盤の地震後圧密沈下挙動の解明2016

    • Author(s)
      西間友洸,畑中佑太,磯部公一
    • Organizer
      土木学会第71回年次学術講演会
    • Place of Presentation
      東北大学
    • Year and Date
      2016-09-06
    • Related Report
      2016 Annual Research Report
  • [Presentation] 砂・粘土混合土の非排水繰返しせん断特性に及ぼす粘土含水比の影響2016

    • Author(s)
      坂口・兵動・東・中田・吉本
    • Organizer
      第68回土木学会中国支部研究発表概要集
    • Place of Presentation
      広島大学
    • Year and Date
      2016-05-26
    • Related Report
      2016 Annual Research Report

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Published: 2016-04-21   Modified: 2021-02-19  

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