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
286
Working drawing
A drawing that gives all the information, details and dimensions, necessary for the complete construction or manufacture of the object represented......
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287
Assembly drawing
A drawing of the structure or machine put together, showing the relative positions of the different parts.
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288
Design drawing
The drawing layout whereon the scheming, planning and designing are accurately worked out, after the general ideas have been determined by freehand sketches and calculations......
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289
Outline assembly drawing
A drawing to give a general idea of a structure or machine and containing only the principal dimensions.
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290
Detail drawing, or Detailing
The drawing of a separate piece or component of a structure or machine, giving a complete and exact description of its form, dimensions and construction......
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291
Tabular drawing
The drawing, either assembly or detail, where the dimension lines are given reference letters and an accompanying table on the drawing lists the corresponding dimensions for a series of sizes of the structural parts or the machine parts, thus making one drawing serve the range covered......
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861
Bank storage
Water absorbed and stored in the bed and banks of a stream, lake, or reservoir as the surface level of the water body rises and returned in whole or in part as the surface level falls......
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955
Bankfull, or Bankfull stage
The stage attained by a stream when flowing at a capacity above which the natural banks overflow.
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1418
Afflux
1 - The upstream rise of water level above the normal surface of water in a channel caused by an obstruction in, or contraction of normal waterway, like a bridge, weir, or a regulating structure. 2 - The difference between the high flood levels upstream and downstream of the weir......
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1427
Concave (river) bank
The bank on the outside of a river bend. The radius of a concave bank is generally greater than that of the convex bank.
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1428
Convex (river) bank
The bank on the inside of a river bend (vs. concave bank).
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1455
Bankful discharge
Discharge corresponding to the state at which the river berms are about to be submerged.
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1467
Shoaling, or Shallowing
The act of filling up with shoals.
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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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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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1507
Stem bank, or Shank
Embankment connecting a groyne head to the river bank or marginal bund (illustrated).
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1524
Retired embankment
An embankment built at a distance from the river edge behind an existing embankment as a second line of defence. (illustrated)......
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1526
Bank sluice
An opening controlled by shutters or gates in the marginal embankment which are opened during high floods.
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1527
Guide bank, or Bell`s bund
A protective or training embankment constructed at the side of a weir, bridge, etc., to guide the river into the waterway in the structure; named after Mr. J.R. Bell who designed such bunds (illustrated)......
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1533
Bank protection
1 - A kind of engineering work which aims at protecting the banks of a river, or slopes of embankments along it, from erosion by the current of flow. 2 - See 7986......
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1534
Bank revetment
A type of bank protection continuously covering the entire slope of a bank or an embankment, including the portions extending far into the river bed, to protect the bank from erosion. Bank revetment somewhat resembles canal lining, the difference being that the latter aims at stopping or lessening the seepage of water from a canal into the ground, .....
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1535
Bank paving
The part of revetment extending from the mattress to the top of the banks. See 1544.
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1537
Upper bank
The portion of the river bank that is located above the low water level and below the foreshore level. See 1538.
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1538
Lower bank
The portion of a bank below low water level often extending quite a distance horizontally to the river bed. See 1537.
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1539
Direct bank protection
Kind of works on the bank itself, such as slope protection of embankment and upper bank and toe protection of lower bank against erosion, and grading of sloping surface or provision of drainage layers, to ensure stability against seepage and saturation......
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