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Development of Engineering Practice for Evaluating Stability of Reinforced Earth

Research Project

Project/Area Number 19360214
Research Category

Grant-in-Aid for Scientific Research (B)

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

Principal Investigator

SHIBUYA Satoru  Kobe University, 大学院・工学研究科, 教授 (00206153)

Co-Investigator(Kenkyū-buntansha) KATO Shoji  神戸大学, 大学院・工学研究科, 准教授 (10204471)
TORII Nobuyuki  神戸大学, 都市安全研究センター, 助教 (70294246)
KAWAI Katsuyuki  神戸大学, 都市安全研究センター, 助教 (30304132)
KAWAGUCHI Takayuki  函館工業高等専門学校, 環境都市工学科, 准教授 (20310964)
SAITO Masahiko  神戸大学, 都市安全研究センター, 助教 (40283915)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2008: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2007: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
Keywords補強盛土 / ジオシンセティックス / 通水性能 / 信頼性解析 / 数値解析 / 浸透解析 / 安定解析
Research Abstract

中越地震や能登半島地震で発生した地盤災害は, 地下水位の高い盛土に集中していた. 一方, 豪雨による盛土崩壊も後を絶たない. 兵庫県で発生した台風による補強土壁の崩壊事例では, 雨水の浸入により盛土本体が弱体化したことに加えて, 盛土背部で水位が急激に上昇し, 補強土壁盛土全体が押し流された. この種の地盤災害軽減のためには, 盛土内および周辺への雨水の浸入を決して許さないことが肝心である. 本論文では, 盛土を囲むようにジオシンセティックス排水材をL型に配置し, 鉛直に設置した排水材で受けた浸透水を盛土底部に水平に設置した排水材に流すことにより盛土外へ速やかに排水させる方法であるジオシンセティックスを用いたL型排水盛土防水工を新たに提案した.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (40 results)

All 2009 2008 Other

All Journal Article (15 results) (of which Peer Reviewed: 15 results) Presentation (25 results)

  • [Journal Article] ジオシンセッティックスを用いたL型排水盛土防水工の水位上昇抑制効果に関する研究2009

    • Author(s)
      齋藤雅彦, 原健二, 澁谷 啓
    • Journal Title

      水工学論文集 53

      Pages: 505-510

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ベンダーエレメントによる不飽和土のせん断弾性係数G の評価2008

    • Author(s)
      川尻峻三, 加藤正司, 川口貴之, 澁谷啓
    • Journal Title

      応用力学論文集 11

      Pages: 453-442

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 盛土崩壊のメカニズムと対策工2008

    • Author(s)
      澁谷啓
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 1-13

    • NAID

      130000142751

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 面内方向通水性能試験装置を用いたジオシンセティックス排水材の土中での通水性能評価2008

    • Author(s)
      三井仁哉, 原健二, 三宗桂司, 蔡鍾吉, 澁谷啓
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 51-58

    • NAID

      130000142757

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] ジオシンセティックスを用いたL型排水盛土防水工-数値シミュレーションと模型実験による評価-2008

    • Author(s)
      澁谷啓, 齋藤雅彦, 原健二, 桝尾孝之
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 139-146

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] ジオシンセティックスを用いたL 型排水盛土防水工-実物大実験による評価-2008

    • Author(s)
      原健二, 澁谷啓, 齋藤雅彦, 鳥居宣之, 蔡鍾吉, 桝尾孝之
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 147-154

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 盛土崩壊のメカニズムと対策工2008

    • Author(s)
      澁谷 啓
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 1-13

    • NAID

      130000142751

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 面内方向通水性能試験装置を用いたジオシンセティックス排水材の土中での通水性能評価2008

    • Author(s)
      三井仁哉, 原健二, 三宗桂司, 蔡鍾吉, 澁谷 啓
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 51-58

    • NAID

      130000142757

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ジオシンセティックスを用いたL型排水盛土防水工-数値シミュレーションと模型実験による評価-2008

    • Author(s)
      澁谷 啓, 齋藤雅彦, 原健二, 桝尾孝之
    • Journal Title

      ジオシンセッティクス論文集 23

      Pages: 139-146

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ベンダーエレメントによる不飽和土のせん断弾性係数Gの評価2008

    • Author(s)
      川尻峻三, 加藤正司, 川口貴之, 澁谷啓
    • Journal Title

      応用力学論文集 11

      Pages: 453-442

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ジオシンセティックスを用いた「L型排水盛土防水工」の研究開発2008

    • Author(s)
      原 健二、澁谷 啓、斉藤 雅彦
    • Journal Title

      ジオシンセティックス技術情報 24

      Pages: 9-20

    • NAID

      130003812844

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of Short-Term Stability for Sea-wall Structure at Kobe Airport2008

    • Author(s)
      Satoru Shibuya, Minsu Jung, Jonggil Chae, and Teruyuki Fujiwara
    • Journal Title

      KSCE Journal of Civil Engineering 12(in print)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 地盤沈下計測システムによる埋立時の盛土圧縮量計測方法

    • Author(s)
      末永清冬, 澁谷啓, 長谷川憲孝, 南部光弘, 山口潤
    • Journal Title

      土木学会論文集C (登載決定)

    • NAID

      130004468353

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 神戸空港海底粘土の非排水せん断挙動における異方性及び時間効果

    • Author(s)
      MinSu JUNG, 澁谷 啓
    • Journal Title

      土木学会論文集C (登載決定)

    • NAID

      130004468346

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 現場調査および室内試験による砂丘斜面の安定性評価

    • Author(s)
      川尻峻三, 澁谷啓, 川口貴之, 鳥居宣之
    • Journal Title

      地盤工学ジャーナル (採択済み)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] 表面波探査および室内ベンダーエレメント試験による砂丘の堆積状況に関する一考察2008

    • Author(s)
      川尻峻三, 中村曜子, 池尻勝俊, 林宏一, 加藤正司, 澁谷啓
    • Organizer
      地盤の環境・計測技術に関するシンポジウム2008
    • Place of Presentation
      大阪
    • Year and Date
      2008-12-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] 実物大盛土浸透実験における比抵抗測定による地盤の飽和度モニタリング2008

    • Author(s)
      林宏一, 澁谷啓
    • Organizer
      地盤の環境・計測技術に関するシンポジウム2008
    • Place of Presentation
      大阪
    • Year and Date
      2008-12-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] Stiffness Characteristics of Quick Clays in Osaka Bay2008

    • Author(s)
      Lohani T.N., Shibuya, S., T. Fujiwara, T. & Iwasaki, Y.
    • Organizer
      Proc. of the 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      Atlanta
    • Related Report
      2008 Final Research Report
  • [Presentation] Shear rate effects on undrained behavior of natural sedimentary clay at Kobe Airport2008

    • Author(s)
      Jung, M. S., Shibuya, S. and Chae, J.G.
    • Organizer
      Proc. of the 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      Atlanta
    • Related Report
      2008 Final Research Report
  • [Presentation] Simulating rate-dependent stress-strain behaviour of natural clay in undrained triaxial test2008

    • Author(s)
      Shibuya, S. and Jung, M. S.
    • Organizer
      Proc. Of the 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      Atlanta
    • Related Report
      2008 Final Research Report
  • [Presentation] Inherent and induced anisotropy of three natural sedimentary clays reflecting on the elastic shear modulus2008

    • Author(s)
      Kawaguchi, T., Yamashita, S., Kawajiri, S., K ataoka, S., Shibuya, S.
    • Organizer
      Proc. of the 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      Atlanta
    • Related Report
      2008 Final Research Report
  • [Presentation] Measurement of shear modulus for unsaturated silt under one dimensional consolidation state2008

    • Author(s)
      Kato. S., Shibuya, S., Kim, B.Y., Chae, J.G., Lohani T.N.
    • Organizer
      Proc. Of the 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      Atlanta
    • Related Report
      2008 Final Research Report
  • [Presentation] Strain-rate-dependent compressibility of a Pleistocene clay layer subjected to land reclamation in Kobe2008

    • Author(s)
      Fujiwara, T., Shibuya, S., Lohani T.N., Takayama, K. Hasegawa, N.
    • Organizer
      Proc. of the 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      Atlanta
    • Related Report
      2008 Final Research Report
  • [Presentation] L-shaped geodrain in embankment-model test and numerical simulation-2008

    • Author(s)
      Saito, M., Shibuya, S., Mitsui, J. and Hara, K.
    • Organizer
      Proc. of the 4^<th> Asian Regional Conference on Geosynthetics
    • Place of Presentation
      Shang-hai
    • Related Report
      2008 Final Research Report
  • [Presentation] In-soil sydraulic transmissivity of gyosynthetic drains in the laboratory2008

    • Author(s)
      Saito, M., Shibuya, S., Mitsui, J. and Hara, K.
    • Organizer
      Proc. Of the 4^<th> Asian Regional Conference on Geosynthetics
    • Place of Presentation
      Shang-hai
    • Related Report
      2008 Final Research Report
  • [Presentation] Reliability analysis for settlement of offshore Kobe airport island constructed by reclamation(CD-ROM)2008

    • Author(s)
      Chae, J-G., Shibuya, S. and Tanaka, Y.
    • Organizer
      Proc. of the third International Conference on Site Characterization (ISC3)
    • Place of Presentation
      Taipei
    • Related Report
      2008 Final Research Report
  • [Presentation] Evaluating stability of inactive soft rock slope by in-situ and laboratory tests(CD-ROM)2008

    • Author(s)
      Ikejiri, K., Chae, J-G., Tsuno, S. And Shibuya, S.
    • Organizer
      Proc. of the third International Conference on Site Characterization (ISC3)
    • Place of Presentation
      Taipei
    • Related Report
      2008 Final Research Report
  • [Presentation] Strain-rate dependent yielding of Pleistocene clay subjected to one-dimensional compression(CD-ROM)2008

    • Author(s)
      Fujiwara, T., Shibuya, S., Takayama, K., Kawaguchi, T. and Hasegawa, N.
    • Organizer
      Proc. of the third International Conference on Site Characterization (ISC3)
    • Place of Presentation
      Taipei
    • Related Report
      2008 Final Research Report
  • [Presentation] L-shaped geodrain in embankment-model test and numerical simulation-2008

    • Author(s)
      Saito, M., Shibuya, S., Mitsui, J., Hara, K.
    • Organizer
      The 4^<th> Asian Regional Conference on Geosynthetics
    • Place of Presentation
      上海(中国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] In-soil sydraulic transmissivity of gyosynthetic drains in the laboratory2008

    • Author(s)
      Saito, M., Shibuya, S., Mitsui, J., Hara, K.
    • Organizer
      The 4^<th> Asian Regional Conference on Geosynthetics
    • Place of Presentation
      上海(中国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Reliability analysis for settlement of offshore Kobe airport island constructed by reclamation2008

    • Author(s)
      Chae, J-G., Shibuya, S., Tanaka, Y.
    • Organizer
      The third International Conference on Site Characterization (ISC3)
    • Place of Presentation
      台北(台湾)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Evaluating stability of inactive soft rock slope by in-situ and laboratory tests2008

    • Author(s)
      Ikejiri, K., Chae, J-G., Tsuno, S. And Shibuya, s.
    • Organizer
      The third International Conference on Site Characterization(ISC3)
    • Place of Presentation
      台北(台湾)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Strain-rate dependent yielding of Pleistocene clay subjected to one-dimensional compression2008

    • Author(s)
      Fujiwara, T., Shibuya, S., Takayama, K., Kawaguchi, T., Hasegawa, N.
    • Organizer
      The third International Conference on Site Characterization(ISC3)
    • Place of Presentation
      台北(台湾)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Stiffness Characteristics of Quick Clays in Osaka Bay2008

    • Author(s)
      Lohani T. N., Shibuya, S., T. Fujiwara, T. &Iwasaki, Y.
    • Organizer
      The 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      アトランタ(米国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Shear rate effects on undrained behavior of natural sedimentary clay at Kobe Airport2008

    • Author(s)
      Jung, M. S., Shibuya, S., Chae, J. G.
    • Organizer
      The 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      アトランタ(米国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Simulating rate-dependent stress-strain behavior of natural clayin undrained triaxial test2008

    • Author(s)
      Shibuya, S., Jung, M. S
    • Organizer
      The 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      アトランタ(米国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Inherent and induced anisotropy of three natural sedimentary clays reflecting on the elastic shear modulus2008

    • Author(s)
      Kawaguchi, T., Yamashita, S., Kawajiri, S., Kataoka, S., Shibuya, S.
    • Organizer
      The 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      アトランタ(米国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Strain-rate-dependent compressibility of a Pleistocene clay layer subjected to land reclamation in Kobe2008

    • Author(s)
      Fujiwara, T., Shibuya, S., Lohani T. N., Takayama, K., Hasegawa, N.
    • Organizer
      The 4th International Conference on Deformation Characteristics of Geomaterials
    • Place of Presentation
      アトランタ(米国)
    • Related Report
      2008 Annual Research Report
  • [Presentation] Reliability analysis of long-term consolidation settlement at Kobe Airport site2008

    • Author(s)
      J. G. Chae, Y. Tanaka, S. Shibuya
    • Organizer
      Proceedings of the third international conference on site characterization ISC'3, TAIPEI, TAIWAN
    • Place of Presentation
      TAIPEI, TAIWAN
    • Related Report
      2007 Annual Research Report
  • [Presentation] Evaluating stability of inactive soft rock slope by in-situ and laboratory tests2008

    • Author(s)
      K. Ikejiri, J. G. Chae, S. Tsuno, &S. Shibuya
    • Organizer
      Proceedings of the third international conference on site characterization ISC'3, TAIPEI, TAIWAN
    • Place of Presentation
      TAIPEI, TAIWAN
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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