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Research on Reinforcement Effects for Cutting Slope of Expansive Soft Rock.

Research Project

Project/Area Number 63550364
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 基礎・土質工学
Research InstitutionUniversity of Miyazaki

Principal Investigator

FUJIMOTO Hiroshi  Miyazaki Univ., Faculty of Eng., Professor, 工学部, 教授 (70040962)

Co-Investigator(Kenkyū-buntansha) SEZAKI Mitsuhiro  Miyazaki Univ., Dept. of Eng., Assistant, 工学部, 助手 (80136803)
NAKAZAWA Takao  Miyazaki Univ., Faculty of Eng., Associate Professor, 工学部, 助教授 (70041027)
YOKOTA Hiroshi  Miyazaki Univ., Faculty of Eng., Associate Professor, 工学部, 助教授 (90037888)
Project Period (FY) 1988 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1990: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1989: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1988: ¥800,000 (Direct Cost: ¥800,000)
KeywordsMud Stone in the Tertiary Deposit / Slope Failure / Cutting Slope / Reinforced Soil / Progressive Failure / Residual Strength / Gradient of Stabilized Slope / Factor Analysis / 軟岩 / 層すべり / 鉄筋 / 頁岩 / すべり / 擁壁
Research Abstract

The objects of this research are to establish the estimation method of reinforcement effects and the design standard for cutting slope of expansive soft rock in the Tertiary deposit. Results of the research are as follows.
(1) The diagram for estimating stabilized cutting slope was obtained by means of statistical analysis about the factors affecting to stability of 72 slopes in the Tertiary deposit.
(2) The available shear strength parameters (C=0^゚ and phi=28.5^゚) for stability analysis were obtained from the results of residual strength test by means of repeating shear about a mud stone sample in the Tertiary deposit.
(3) It was ascertained that the reinforcement effects expressed by shear strength parameters amounted to 30% for cohesion component C and 15% for friction component phi as a result of model experiments in the laboratory.

Report

(4 results)
  • 1990 Annual Research Report   Final Research Report Summary
  • 1989 Annual Research Report
  • 1988 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] Hiroshi Yokota, et al.: "The Earth Reinforcement Effects of Steel Bar Truss set in Embankment." Proc. of the International Geotechnical Symposium on Theory and Practice of Earth Reinforcement.171-176 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 河野 信介,他4名: "トラス型鋼材の補強土効果に関する実験的考察" 土木学会第43回年次学術講演会講演概要集(第3部門). 74-75 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 伊東 民夫,他4名: "プレ-ト付きトラス型鋼材の補強土効果について" 第24回土質工学研究発表会発表講演集(2ー1). 21-22 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 横田 漠,他3名: "第3紀泥岩の斜面崩壊に関する考察" 平成2年度土木学会西部支部研究発表会講演概要集. 418-419 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Hiroshi Fujimoto, et al.: "The Reinforcement Mechanism of SpaceーTruss Combined with Steel Plate." International Symposium on Soil Improvement and Pile Foundation. Nanjing, China.(1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Hiroshi Fujimoto, et al.: "Steel Bar Reinforcement Effect on the Stability of Mud Stone CutーSlope." International Symposium on Soil Improvement and Pile Foundation, Nanjing, China.(1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] H. YOKOTA: "The Earth Reinforcement Effect of Steel Bar Truss set in Embankment." Proc. of the Int. Geotechnical Symposium on Theory and Practice of Earth Reinforcement. 171-176 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] S. KAWANO: "Experimental Consideration on the Earth Reinforcement Effect of Steel Bar Truss." Proc. of The 43th Annual Conference of the Japan Society of Civil Eng.3. 74-75 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] M. ITO: "Earth Reinforcement Effects of steel Bar Truss with Plate." Proc. of the 24th Annual Conference of the Japan Society of Soil Mech. and Found. Eng.2-1. 21-22 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] H. YOKOTA: "Consideration on the Slope Failure of Mud Rock in the Tertiary Deposit." Proc. of the Annual Conf. of the West Branch of J. S. C. E.418-419 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] H. FUJIMOTO: "The Earth Reinforcement Mechanism of Space-Truss with Steel Plate." Proc. of the Int. Symposium on Soil Improvement and Pile Foundation, Nanjing, China.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] H. FUJIMOTO: "Steel Bar Reinforcement Effects on Stability of Mud Stone Cut-Slope." Proc. of the Int. Symposium on Soil Improvement and Pile Foundation, Nanjing, China.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] H.Fujimoto,et al.: "The Earth Reinforcement Effects of Steel Bar Truss set in Embankment." Proceedings of the International Geotechnical Symposium.(1988)

    • Related Report
      1990 Annual Research Report
  • [Publications] 藤本 廣,他: "トラス型鋼材の補強土効果に関する実験的考察" 土木学会第43回年次学術講演会講演概要集(第3部門). (1988)

    • Related Report
      1990 Annual Research Report
  • [Publications] 藤本 廣,他: "プレ-ト付きトラス型鋼材の補強土効果について" 第24回土質工学研究発表会平成元年度発表講演集. (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] 藤本 廣,他: "第3紀泥岩の斜面崩壊に関する考察" 平成2年度土木学会西部支部研究発表会講演概要集. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Fujimoto,et al.: "The Reinforcement Mechanism of SpaceーTruss Combined with Steel Plate." International Symposium on Soil Improvement and Pile Foundation.Nanjing,China.(1992)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Fujimoto,et al.: "Steel Bar Reinforcement Effect on the Stability of Mud Stone Cut Slope." International Symposium on Soil Improvement and Pile Foundation,Nanjing,China.(1992)

    • Related Report
      1990 Annual Research Report
  • [Publications] 藤本廣 他: "トラス付き鋼板の補強土効果" 第24回土質工学研究発表会. 21-22 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] 藤本廣 他: "水平荷重を受ける斜面土杭の安定解析" 第24回土質工学研究発表会. 1343-1344 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] 藤本廣 他: "トラス付き帯板の引き抜き抵抗機能について" 平成元年度土木学会西部支部研究発表会. 348-349 (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] 横田漠 他: "斜面上杭の杭頭変形に関する一考察" 平成元年度土木学会西部支部研究発表会. 468-469 (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] Takao Nakazawa et al.: "The pull-out resistance characteristics of truss-type steel reinforcing material" 10th ISSMFE African Rogionl Cenference. (1991)

    • Related Report
      1989 Annual Research Report
  • [Publications] 藤本廣: 日本自然災害科学学術講演会. 第7回. (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Yokota,et al.: Proceedings of international geotechnical symposium. 171-178

    • Related Report
      1988 Annual Research Report
  • [Publications] 藤本廣 他: 土木学会第43回年次学術講演発表論文集. (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 藤本廣 他: 土木学会第43回年次学術講演発表論文集. (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 藤本廣 他: 第24回土質工学研究発表論文集. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 藤本廣 他: 第24回土質工学研究発表論文集. (1989)

    • Related Report
      1988 Annual Research Report

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Published: 1988-04-01   Modified: 2016-04-21  

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