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STUDY ON RIVER FACILITIES HARMONIOUS WITH ENVIRONMENT

Research Project

Project/Area Number 03452213
Research Category

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

Allocation TypeSingle-year Grants
Research Field Hydraulic engineering
Research InstitutionTOTTORI UNIVERSITY

Principal Investigator

MICHIUE Masanori  TOTTORI UNI., ENG., PROFESSOR, 工学部, 教授 (10027245)

Co-Investigator(Kenkyū-buntansha) HINOKIDANI Osamu  TOTTORI UNI., ENG., RESEARCH ASSOCI., 工学部, 助手 (00165127)
FUJITA Masaharu  TOTTORI UNI., ENG., ASSOCI. PROF., 工学部, 助教授 (60181369)
Project Period (FY) 1991 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1992: ¥500,000 (Direct Cost: ¥500,000)
KeywordsRIVER ENVIRONMENT / SPUR DIKE / 2-D BED EVOLUTION MODEL / 3-D FLOW MODEL / NUMERICAL SIMULATION / POOL AND SHOAL / MEANDERING CHANNEL / ENVIRONMENTAL PROTECTION / 河川構造物 / 河床変動 / 数値シミュレーション / 数値シミュレ-ション
Research Abstract

The development of rivers free from flood damage has resulted in serious ruin of natural river environment. In order to rehabilitate the river environment, we should construct the facilities with both functions on the flood control and the environmental protection. In this paper we have discussed the functions of spur dikes. The spur dike is effective in the protection of bank and the local scour formed around the spur dike will be suitable to the habitat of fishes. This paper is composed of three parts. In first part, the numerical method for 2-dimensional bed evolution is developed and the validity is verified by the simulation of bed evolution in the meandering channel. Then, the method was applied to the field data. The place of the pool and the formation of the meandering streams at the low water were predicted. In second part, using the method the function on the protection of the bank and the profile of the local scour ( pool ) around the spur dike are evaluated. The profile of local scour is not simulated without considering the non-equilibrium sediment transport. In last part the conditions on the pool suitable to the habitat of fishes are discussed from the observation in the Sendai river. The deeper pool composed of the bed material with wide-ranging grain sizes is available for the habitat of fishes.

Report

(3 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • Research Products

    (8 results)

All Other

All Publications (8 results)

  • [Publications] Michiue,M: "Simulation of 2 dimensional bed evolution in meanclering channel and change of flow characteristis due to bed evolution" Proc.24th Congress of IAHR. A421-A430 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 道上 正規: "水制周辺の平面2次元河床変動に関する研究" 正工論文集. 36. 61-66 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Masanori,M.: "Simulation of 2 dimensional bed evolution in meandering channel and change of flow characteristics due to bed evolution" Proc.24 th Congress of IAHR. A421-A430 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Masanori,M.: "Calculation of 2-dimensional bed evolution around spur-dike" Proc. of Hydraulic Engineering, JSCE. Vol.36. 61-66 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 道上 正〓: "非平衡性を考慮した水制周辺の2次元河床変動計算" 第45回土木学会中国四国支部研究発表会講演概要集. (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 道上 正〓: "魚類の生息と河川形態" 第45回土木学会中国四国支部研究発表会講演概要集. (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 道上 正規: "石炭粉を用いた河床変動模型実験に対する数値シミュレ-ション" 第44回土木学会中国四国支部研究発表会講演概要集. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] 道上 正規: "水制周辺の2次元河床変動計算" 第44回土木学会中国四国支部研究発表会講演概要集. (1992)

    • Related Report
      1991 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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