International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Multilingual Technical Dictionary (MTD)
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Term No.Term Name/Term DescriptionAction
1484
Groyne, Groin, Bankhead, Spur, Spur dike, Transverse dike, Jetty
1 - A structure built from the bank of a river in a direction transverse to the current. The groynes may be permeable, semi-permeable or impermeable. 2 - See 3479 and 8028......
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1498
Longitudinal groyne
Guiding groyne parallel to the channel and connected with a transverse groyne with the bank.
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1500
Fending groyne, or Bankhead
Groyne which fends the current of flow of water and prevents erosion. Denehy`s groyne is an example of this type (illustrated)......
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1501
Attracting groyne
A groyne which attracts the current towards itself and fixes deep channel close to itself.
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1502
Hockey stick groyne
A groyne intended to push the current away from it and diverting it with a streamline curve. This is named as such in view of its shape......
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1503
Repelling groyne
A groyne which pushes the current away from it (illustrated).
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1504
Low level groyne, Bed groyne, or Sedimentary groyne
A groyne built up slowly from the bed, for expansion and even reclamation over a large area.
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1505
Hooked groyne
An additional groyne built between existing groynes when found to be spaced too far apart for mean water training (illustrated)......
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1506
Tree groyne
A permeable type of barrier of trees built across a river for diverting the main river into a bypass river or vice versa. A steel rope anchored at its ends is stretched across the river and is supported by tripods at intermediate points. The trees are hung upside down at a suitable distance. They collect coarse detritus flowing in the water and for.....
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1548
Gabion
A crate or box made of wire mesh, filled with stone. Gabions may be laid in courses like large bricks to form bank revetment, groynes, aprons or protective pavements, and so forth. In some form, similar to `tarungars` (See 1554). .....
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1549
Gabion groyne
Groyne composed of any type of gabions.
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1550
Gabionnade
An obstruction or protective work made of gabions.
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2239
Divide wall, Divide groyne, Division wall, or Dividing wall
A longitudinal wall or groyne separating the undersluices pocket section from the weir or barrage section (illustrated).
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3478
Groyne head distributor, or Groyne dam distributor
A proportional distributor at the end of a canal to distribute its water into two channels (illustrated).
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3479
Groyne
1 - A structural part of a groyne head distributor located between the two offtake structures having its sides parallel to the centre line of flow of each offtake (illustrated). 2 - See 1484 and 8028......
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8028
Spur, Spur dike, Groyne, or Transverse dike
1-A structure of stone, rock, timber, brushwood, pile, earth, or other materials, built from the bank of a stream traversing to the current for training the flow of water, for bank protection, for fixing a navigable channel or for trapping bedload to build up new river banks. The spur may be permeable, semi-impermeable or impermeable. 2 - See also .....
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