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자료유형
학술저널
저자정보
저널정보
한국농공학회 한국농공학회논문집 한국농공학회논문집 제49권 제5호
발행연도
2007.1
수록면
11 - 20 (10page)

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In this study, we reviewed the optimal space for the fish road and fish storage establishment in the section between the downstream of the Hwacheon dam and the joint point of the Pungsan river. The hydraulic stability of these facilities was also examined. In the section between the downstream of Hwacheon dam and the joint point of Pungsan river, the release flow of Hwacheon dam was set at 5,495㎥/s, 6,110㎥/s and 7,537㎥/s, and numerical simulations were executed for each instance using the HEC-RAS model and RMA-2. In the analysis of the flow velocity distributions in the subject section by release flows of Hwacheon dam, it was shown that there was over 5.0m/s of high flow velocity at Sta. #1~Sta. #3, Sta. #4~Sta. #6, and Sta. #12~Sta. #13. of the sections analyzed in this study. The Sta. #0~Sta. #1 was considered appropriate for the fish road and fish storage establishment. As seen in the results of the numerical stability review by release flow conditions of Hwacheon dam subject to the selected available areas for fish road and fish storage, the topographically available section for the establishment of fish road and fish storage exists at Sta. #1~Sta. #3 when the release flow of Hwacheon dam is 5,495㎥/s, whereas Sta. #0~Sta. #1 should be reviewed for the subject section for the establishment of fish road at release flows of 6,110㎥/s and 7,537㎥/s, in addition to the figures gathered at the 5,495㎥/s release flow.Finally, the available section for the establishment of fish road and fish storage was determined to be Sta. #0~Sta. #3. Further, if fish road and fish storage are established in the outer bank within this section, the high flow velocity section should be avoided. An alternative would be to establish for the fish road in the inner band on the section of Sta. #1 or Sta. #3.

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