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GB2138661B - Irrigation and drainage - Google Patents

Irrigation and drainage

Info

Publication number
GB2138661B
GB2138661B GB08311880A GB8311880A GB2138661B GB 2138661 B GB2138661 B GB 2138661B GB 08311880 A GB08311880 A GB 08311880A GB 8311880 A GB8311880 A GB 8311880A GB 2138661 B GB2138661 B GB 2138661B
Authority
GB
United Kingdom
Prior art keywords
irrigation
drainage
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB08311880A
Other versions
GB8311880D0 (en
GB2138661A (en
Inventor
Hiroshi Fujii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAETA CONCRETE WORKS Ltd
Original Assignee
MAETA CONCRETE WORKS Ltd
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 MAETA CONCRETE WORKS Ltd filed Critical MAETA CONCRETE WORKS Ltd
Priority to GB08311880A priority Critical patent/GB2138661B/en
Publication of GB8311880D0 publication Critical patent/GB8311880D0/en
Publication of GB2138661A publication Critical patent/GB2138661A/en
Application granted granted Critical
Publication of GB2138661B publication Critical patent/GB2138661B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
    • 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
    • E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
GB08311880A 1983-04-29 1983-04-29 Irrigation and drainage Expired GB2138661B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08311880A GB2138661B (en) 1983-04-29 1983-04-29 Irrigation and drainage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08311880A GB2138661B (en) 1983-04-29 1983-04-29 Irrigation and drainage

Publications (3)

Publication Number Publication Date
GB8311880D0 GB8311880D0 (en) 1983-06-02
GB2138661A GB2138661A (en) 1984-10-31
GB2138661B true GB2138661B (en) 1986-04-09

Family

ID=10541971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08311880A Expired GB2138661B (en) 1983-04-29 1983-04-29 Irrigation and drainage

Country Status (1)

Country Link
GB (1) GB2138661B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1306365C (en) * 1989-07-13 1992-08-18 Denis Combes Fluid flow channeling means
GB9926962D0 (en) * 1999-11-16 2000-01-12 Yorkshire Water Services Ltd A flow control device
GB0009890D0 (en) 2000-04-20 2000-06-07 Thames Water Utilities Flow deflecting device
GB2361552B (en) * 2000-04-20 2004-06-09 Thames Water Utilities Flow deflecting device
SI21104B (en) * 2001-11-27 2011-01-31 Dušan CIUHA Power plant, dam or similar water management facility flow area with enhanced dissipation effect
US6942423B2 (en) * 2001-12-26 2005-09-13 Robert E. Davis Migratory fish channel associated with one or more dams in a river
US7192217B2 (en) * 2003-03-01 2007-03-20 United States Of America Department Of The Interior, Bureau Of Reclamation Baffle apparatus
CN102312465B (en) * 2010-07-06 2014-03-05 中国核电工程有限公司 A nuclear power plant short-radius and short-distance water inlet tunnel pump room
CN102888828B (en) * 2012-10-22 2015-07-08 四川大学 Water-pillow pool method used for overflow cofferdam energy dissipation platform
CN103397619B (en) * 2013-07-25 2015-08-26 中国长江三峡集团公司 Along the height bank absorption basin of journey dispersion energy dissipating
CN112854151B (en) * 2021-01-15 2022-06-03 安徽省引江济淮集团有限公司 Rectification energy dissipation device for falling well
CN113718727B (en) * 2021-09-07 2022-09-16 中国电建集团昆明勘测设计研究院有限公司 Sudden expansion and falling sill absorption basin suitable for large single wide discharge of high water head
CN118087471B (en) * 2024-03-29 2024-11-05 中国水利水电科学研究院 Narrow slit suddenly-expanding type stilling pool and design method
CN120250594B (en) * 2025-06-09 2025-09-23 中国电建集团中南勘测设计研究院有限公司 A narrow gap sill energy dissipation device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA735454B (en) * 1973-08-10 1975-04-30 Schuler Stengelin Gmbh & Co Kg Process and apparatus for conducting effluent treatment at uniform loads
IE801072L (en) * 1980-05-22 1981-11-22 Woodlock Patrick C Selective collection of silage effluent-liquid flow control¹device

Also Published As

Publication number Publication date
GB8311880D0 (en) 1983-06-02
GB2138661A (en) 1984-10-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee