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WO1995013430A1 - Conduite pour passe a poisson - Google Patents

Conduite pour passe a poisson Download PDF

Info

Publication number
WO1995013430A1
WO1995013430A1 PCT/JP1994/000215 JP9400215W WO9513430A1 WO 1995013430 A1 WO1995013430 A1 WO 1995013430A1 JP 9400215 W JP9400215 W JP 9400215W WO 9513430 A1 WO9513430 A1 WO 9513430A1
Authority
WO
WIPO (PCT)
Prior art keywords
fishways
cross
rivers
pipe
section
Prior art date
Application number
PCT/JP1994/000215
Other languages
English (en)
Japanese (ja)
Inventor
Hisato Sugawara
Original Assignee
Hisato Sugawara
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisato Sugawara filed Critical Hisato Sugawara
Priority to AU60110/94A priority Critical patent/AU6011094A/en
Publication of WO1995013430A1 publication Critical patent/WO1995013430A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
    • E02B8/085—Devices allowing fish migration, e.g. fish traps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/60—Ecological corridors or buffer zones

Definitions

  • a step in the riverbed always occurs when the river channel is renovated. The difference is remarkable in mountainous areas, but the same is true for sewerage in urban areas. And within a short time, it will not exist above the step.
  • the rapid decline of aquatic organisms in rivers nationwide is due to the so-called three-layered seawall protection and steps.
  • the three-layered seawall can be improved by river improvement methods.
  • the present invention is inexpensive, and can be installed underground and outside steps outside of the downflow section in a river, and installed in all fishways that are easy to maintain and manage.
  • the resurgence of fish shadows will increase the friendliness of rivers and deepen their interest in river purification.
  • a fishway is constructed according to claims 1 and 2 of the present invention. All fishway structures flow down » It can be installed in a location.
  • the present invention is an improved fishery made up of a conventional denier fishway and a spiral and U-shaped groove formed by spirally setting two inclined weir plates.
  • Fig. 1 is a schematic diagram of a cross section as seen from the top of the straight pipe of claim 1.
  • Fig. 2 is a schematic diagram of a cross section as seen from the side of Fig. 1. Arrows indicate the approximate direction of water flow. It shows the approximate outline of the water surface.
  • Pipe wall Pipe material such as synthetic resin, concrete, stainless steel hook, etc. is used depending on the situation.
  • the material is generally synthetic resin, and depending on the situation, stainless steel etc. is used.
  • the joint with the pipe is rounded for reinforcement and the elimination of narrow parts. 3 rounded to protect the strength and creatures.
  • the normal fishway can be from 45 to 15 degrees, except when using steep slopes.
  • the figure shows 30 degrees.
  • the inside diameter of the tube is assumed to be about 20 cm, crucible 30 cm, and salmon 40 cm depending on the maximum organism that goes up. Must be multiple.
  • a normal fishway can be considered from 0% to 50% of D.
  • the figure shows 30%.
  • the tangent curve of the broken line indicates the junction between the dam and the pipe.
  • the dashed line indicates the end of the dam.
  • Figure 4 is a cross-sectional view through the center line of the tube of Figure 3.
  • Fig. 5 is a cross-sectional view taken along the line BB of Fig. 3.
  • the broken cross-section shown by hatching is the opening of the rotating extrusion nozzle when the entire cross-sections of claims 1, 2, and 3 are integrally formed. It is also possible to form and assemble by dividing 2 and 3. It is easy to manufacture curved pipes by adjusting the amount of extrusion in the measuring section.
  • Fig. 6 is a cross-sectional view of the groove according to claim 2.
  • the tangent curve of the broken line indicates the junction between the dam and the pipe.
  • the dashed line indicates the end of the dam.
  • Figure 8 is a cross-sectional view through the center line of the tube of Figure 7.
  • Fig. 9 is a cross-sectional view taken along the line BB in Fig. 7. It is an opening. It is also possible to assemble by dividing and molding 2 and 3. It is easy to manufacture a curved tube by adjusting the amount of extrusion at the measuring section.
  • (B) It can be installed underground or inside a step easily by stacking it in a circular or square shape, and it can be installed in a river without obstructing the downflow section.
  • Example 3 can be used for steep slopes or forceps.
  • FIG. 1 is a schematic view of a cross section as viewed from the top surface of the straight pipe of claim 1. Arrows indicate the approximate direction of water flow. Dashed lines indicate the approximate outer shape of the water surface.
  • FIG. 2 is a schematic view of a cross section viewed from the side of FIG. 1.
  • FIG. 5 is a cross-sectional view taken along a line BB in FIG. 3. An opening of an extrusion nozzle.
  • FIG. 6 is a cross-sectional view of the groove of claim 2.
  • FIG. 8 is a cross-sectional view passing through the central axis of FIG. 7.
  • FIG. 9 is a cross-sectional view of FIG. 7.
  • D is the inside diameter of the tube.
  • H is the height of the weir plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Artificial Fish Reefs (AREA)

Abstract

La population des animaux aquatiques s'est considérablement amoindrie dans les rivières de nos régions en grande partie en raison des obstructions induisant des différences de niveau d'eau empêchant ces animaux de remonter le courant. On peut sauver des animaux aquatiques en installant à moindres frais des passes à poisson faciles à entretenir à l'extérieur d'une section transversale d'un cours d'eau, dans toutes les zones présentant ce type de différences de niveau d'eau empêchant les poissons de remonter le courant. On fabrique à faible coût en grande quantité des éléments de canal constitués par une conduite, un conduite coudée et des éléments découpés dans lesdites conduites dans lesquels une plaque de déversoir inclinée est montée en spirale sur une surface interne d'un matériau de canalisation classique standard. On fabrique ces éléments en moulant par extrusion, des pièces telles que des raccords standard étant utilisés pour installer des passes à poisson de toutes formes dans le sol, à l'extérieur d'une section transversale d'un cours d'eau ou dans les zones présentant différents niveaux d'eau. On peut utiliser des passes verticales pour les anguilles. Ces passes à poisson réduisant la vitesse d'écoulement de l'eau, ils peuvent être utilisés en tant que matériaux de canal d'eau et de canalisation pour une pente abrupte.
PCT/JP1994/000215 1993-11-11 1994-02-14 Conduite pour passe a poisson WO1995013430A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU60110/94A AU6011094A (en) 1993-11-11 1994-02-14 Pipe for fishway

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31572593 1993-11-11
JP5/315725 1993-11-11

Publications (1)

Publication Number Publication Date
WO1995013430A1 true WO1995013430A1 (fr) 1995-05-18

Family

ID=18068785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1994/000215 WO1995013430A1 (fr) 1993-11-11 1994-02-14 Conduite pour passe a poisson

Country Status (2)

Country Link
AU (1) AU6011094A (fr)
WO (1) WO1995013430A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100541631B1 (ko) * 2002-04-06 2006-01-11 한상관 유속 안내판과 어도 덮게의 저항 작용에 의해 물고기의이동이 용이하도록 구성되는 어도의 구성방법
US7016512B1 (en) 2001-08-10 2006-03-21 Hear-Wear Technologies, Llc BTE/CIC auditory device and modular connector system therefor
KR100951886B1 (ko) * 2009-09-14 2010-04-13 (주)어쌤이앤씨 유속 저감 유수관
JP2011052504A (ja) * 2009-09-04 2011-03-17 Kitakyushu Foundation For The Advancement Of Industry Science & Technology サイフォン式パイプ魚道
CN117905030A (zh) * 2024-03-20 2024-04-19 中国电建集团西北勘测设计研究院有限公司 一种竖缝式鱼道

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515119B (zh) * 2021-12-29 2023-09-15 青岛德才高科新材料有限公司 一种用于百叶窗清理的除尘装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0240200U (fr) * 1988-09-10 1990-03-19
JPH0365724U (fr) * 1989-10-25 1991-06-26
JPH04182506A (ja) * 1990-11-15 1992-06-30 Dam En Shisetsu Gijutsu Kyokai 魚道
JPH06116931A (ja) * 1991-11-01 1994-04-26 Saburo Fujiki 開閉魚道装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0240200U (fr) * 1988-09-10 1990-03-19
JPH0365724U (fr) * 1989-10-25 1991-06-26
JPH04182506A (ja) * 1990-11-15 1992-06-30 Dam En Shisetsu Gijutsu Kyokai 魚道
JPH06116931A (ja) * 1991-11-01 1994-04-26 Saburo Fujiki 開閉魚道装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7016512B1 (en) 2001-08-10 2006-03-21 Hear-Wear Technologies, Llc BTE/CIC auditory device and modular connector system therefor
KR100541631B1 (ko) * 2002-04-06 2006-01-11 한상관 유속 안내판과 어도 덮게의 저항 작용에 의해 물고기의이동이 용이하도록 구성되는 어도의 구성방법
JP2011052504A (ja) * 2009-09-04 2011-03-17 Kitakyushu Foundation For The Advancement Of Industry Science & Technology サイフォン式パイプ魚道
KR100951886B1 (ko) * 2009-09-14 2010-04-13 (주)어쌤이앤씨 유속 저감 유수관
CN117905030A (zh) * 2024-03-20 2024-04-19 中国电建集团西北勘测设计研究院有限公司 一种竖缝式鱼道
CN117905030B (zh) * 2024-03-20 2024-06-04 中国电建集团西北勘测设计研究院有限公司 一种竖缝式鱼道

Also Published As

Publication number Publication date
AU6011094A (en) 1995-05-29

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