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Study of Oceanic Wave and Submarine Mass Movement

Research Project

Project/Area Number 63490019
Research Category

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

Allocation TypeSingle-year Grants
Research Field 広領域
Research InstitutionNiigata University

Principal Investigator

TATEISHI Masaaki (1989-1990)  Niigata University, Faculty of Science, Associate Professor, 理学部 (00126426)

大草 重康 (1988)  新潟大学, 積雪地域災害研究センター, 教授 (30055909)

Co-Investigator(Kenkyū-buntansha) FUKUE Masaharu  Tokai University, Department of Marine Civil Engineering, Associate Professor, 海洋学部, 助教授 (40119699)
MARUI Hideaki  Niigata University, Research Institute for Hazard in Snowy Area, Associate Profe, 積雪地域災害研究センタ, 助教授 (10219545)
IZUMIYA Tatsutoshi  Niigata University, Faculty of Technology, Lecture, 工学部, 講師 (60151429)
OHKAWA Hideo  Niigata University, Faculty of Technology, Associate Professor, 工学部, 助教授 (50018826)
立石 雅昭  新潟大学, 理学部, 助教授 (00126426)
Project Period (FY) 1988 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥7,900,000 (Direct Cost: ¥7,900,000)
Fiscal Year 1990: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1989: ¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1988: ¥3,800,000 (Direct Cost: ¥3,800,000)
KeywordsSubmarine mass-movement / Wave / Storm wave / Submarine soil layer / Liquefaction / Grain-size distribution / Pore pressure / Efficient of compaction / スト-ム砂 / 粒度組成 / 間隙圧係数 / 波浪条件 / 海底土 / 有効応力 / 斜面安定 / 安定解析 / 海洋波浪 / 海底渓谷 / 波浪変形 / 波動伝播
Research Abstract

The purpose of this project is to make clear the phenomena and the process of liquefaction and mass-movement of submarine soil layers, and of the transportation of sand body, which are caused by the interaction between submarine soil layer and wave, especially storm wave. The results are summarized as follows :
1) The investigation of characteristics of the submarine soil profile in Sagami Bay, Suruga Bay and Seto Inner Sea reveals that sediment profiles can be well expressed by the simplified equations deduced assuming grains. Using the equations, sediment profiles can be predicted in terms of water content, void ration, undrained shear strength, unconfined compressive strength and effective overburdened pressure.
2) The mass-movement sediments caused by storm waves in the geologic and historical ages are fine- to very fine-grained, well sorted sands which don't include the smaller grains more than silt-sized. They show characteristic hummocky stratification. The sheet sands by storm-ge … More nerated turbidity currents are deposited in the deeper environment than storm wave base.
3) The general relationship between wave condition and outbreak of liquefaction of soil layer was deduced. The examination of the relationship indicated that the outbreak of liquefaction is affected more by coefficient of pore pressure than by the efficient of compaction.
4) To research the liquefaction and effusive sand in the soil layer intercalated with clay layer, the model experiment vibrated forcely was made. The result showed dynamic water pressure with vibration, which indicates the dynamic flow of the soil as liquid, is observed at the liquefied stage, and that the resistance of clay layer accelerates the liquefaction.
5) The movement of sands under the condition coexisting wave and turbidity is examined in terms of probability using the Fokker - Planck equation. The result indicated that the distribution of transportation distance is the Gauss distribution in which the distance is increased as time. Less

Report

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

    (30 results)

All Other

All Publications (30 results)

  • [Publications] Budi Wibawa, Hideo Ohkawa, and Takashi Okuma: "An Experimental Study of Sand Boiling due to Liguefaction" 自然災害科学. 9. (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 泉宮 尊司.古俣 弘和・飯田 秀樹: "波浪による海底地盤の液状化発生条件及び海底谷のある海浜への適用" 海岸工学論文集. 36. 784-788 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 泉宮 尊司・古俣 弘和・阿部 一弘: "海底地盤の圧縮係数及び間隙圧係数の測定法に関する研究" 海岸工学論文集. 37. 743-747 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Fukue,M,Kobayashi,T.and Nakamura,T.: "Terrain Evaluation under Water" Proceedings of 10th Int, Conf, ISTVS, CIntn. Soc, Terrain Vehicle Systemsl. 1. 149-157 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 泉宮 尊司・古俣 弘和: "Fokker・Planck方程式を用いた波及び乱れによる砂粒子の運動の理論的解析" 海岸工学論文集.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Wibawa, B., H. Ohkawa, and T. Okuma: "An experimental study of sand boiling due to Liquefaction" Jour. Japan Soc. Natural Disaster Sci.,. Vo1.9,.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Izumiya, T., H. Komata, and H. Iida: "Wave conditions for liquefaction in unsaturated sea bed due to wave action" Proc. 36th Japanese Conf. on Coastal Engineering, JSCE,. Vo1.36. 784-788 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Izumiya, T., H. Komata, and K. Abe: "Study for measurement method of coefficient of compaction and coefficient of pore pressure of submarine sediments" Proc. 37th Japanese Conf. on Coastal Engineering, JSCE,. Vo1.37,. 743-747 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Fukue, M., T. Kobayashi, and T. Nakamura: "Terrain evaluation under water" Proc. 10th Intn. Conf. the ISTVS (Int. Soc. for Terrain Vehicle Systems),. Vo1.1,. 149-157 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Izumiya, T., and H. Komata: "Theoretical analysis of transportation of sand grains by wave and turbidity in terms of Fokker - Planck Equation" Proc. 38th Japanese Conf. on Coastal Engineering, JSCE,. (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Budi Wibawa,Hideo Ohkawa,and Takashi Okuma: "An Experimental Study of Sand Boiling due to Liquefaction" 自然災害科学. 9. (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 泉宮 尊司・古俣 弘和・飯田 秀樹: "波浪による海底地盤の液状化発生条件及び海底谷のある海浜への適用" 海岸工学論文集. 36. 784-788 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] 泉宮 尊司・古俣 弘和・阿部 一弘: "海底地盤の圧縮係数及び間隙圧係数の測定法に関する研究" 海岸工学論文集. 37. 743-747 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Fukue,M.,Kobayashi,T.and Nakamura,T.: "Terrain Evaluation under Water" Proceedings of 10th Int.Conf.ISTVS,(Intn.Soc.,Terrain Vehicle Systems). 1. 149-157 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 泉宮 尊司・古俣 弘和: "Fokker・Planck方程式を用いた波及び乱れによる砂粒子の運動の理論的解析" 海岸工学論文集.

    • Related Report
      1990 Annual Research Report
  • [Publications] 泉宮尊司: "波浪による海底地盤の液状化発生条件および海底谷のある海浜への適用" 土木学会海岸工学論文集. 36. 784-788 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] 泉宮尊司: "海底地盤の圧密係数および間隙圧係数の測定法に関する研究" 土木学会論文集II.

    • Related Report
      1989 Annual Research Report
  • [Publications] Okusa,S;Yoshimura: Soils and Foundations. 28. 178-180 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Okusa,S.;Nemoto,K;Nakamura,T;Aoki,S.: Proceedings of 5th International Symposium on Landslides. 1. 269-273 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] Hakuno,M;Okusa,S;Michiue,M.: Research Report on Unexpected Disasters,Research Field,Natural Disasters and Ability of the Community to Resist them Grant No.62601022. 1-38 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 大草重康: 第33回土質工学会シンポジウム ウォーターフロント開発における土質工学上の諸問題. 1. 67-72 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 中村隆昭、大草重康: 沿岸海洋研究ノート. 26. 55-63 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 立石雅昭: 地球科学. 43. 1-2 (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] Budi Wibawa、大川秀雄、大熊孝: 第24回土質工学研究発表会. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 泉宮尊司、古俣弘和、飯田秀樹: 海岸工学講演会論文集. 36. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] Fukue,M;Okusa,S.: Proceedings of Offshore Mechanics and Arctic Engineering '88. 1. 113-119 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 福江正治、中村隆昭、大草重康、土肥直喜: 第33回土質工学会シンポジウム ウォーターフロント開発における土質工学上の諸問題. 1. 87-92 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 福江正治、中村隆昭、大草重康、土肥直喜: 第24回土質工学研究発表会. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 福江正治、大草重康: 東海大学紀要 海洋学部. 26. 115-126 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 大草重康、中山俊雄、田中富男、衣笠善博、高岩勝、西垣好彦: "土木工学ハンドブック 第8編土木地質学" 技報堂, 523-557 (1989)

    • Related Report
      1988 Annual Research Report

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Published: 1988-04-01   Modified: 2017-10-19  

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