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
2574
Cylinder theory, or Thin cylinder theory
A method used for the preliminary design of arch dams assuming the arch to be part of an unrestrained thin cylinder.
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2579
Bligh`s creep theory
A theory on the premise that the resistance to percolation along the `line of creep`, the line of contact of the dam and cutoff with the foundations may be less than that directly through the foundation materials on account of the difficulty of securing an intimate contact and that the hydraulic gradient is constant throughout the creep length......
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2583
Lane`s weighted creep theory
A theory with the premise that the horizontal contacts with the foundation and slopes flatter than 45o, being less liable to have intimate contact, are given only one-third the weightage of steeper (45o equal to or greater than 45o) and vertical contacts while calculating the creep length. The creep length obtained by the above procedure is called .....
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6482
Regime theory
The name given to an assembly of compatible semi-empirical equations relating canal or river geometry to the characteristic parameters of flow and water-borne sediment when the mechanisms of scour and sediment deposition are in balance over a period of time......
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6968
Game fish
A fish species caught for sport; e.g. trout, salmon, bass.   Game fish typically show more sensitivity to environmental changes than rough fish......
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8627
Game theory
Stochastic theory of games played by two or more parties. The theory analyzes the probability of winning the game when certain decisions are adopted......
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8633
Inventory theory
Demand for stock of a commodity in a warehouse occurs at random intervals. Too much stock may necessitate much stocking cost, while too small a stock may result in loss by out-of-stock conditions. Optimum level of stock is analyzed by this theory......
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8657
Queueing theory
Theories used for analysis of queues. Customers (water resources demands) coming at random intervals make a queue (line) to wait for services with one or more service counters. Optimization of service system is designed......
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8838
Hypergames
Conflicts, in which at least one player is not fully aware of the nature of the situation.
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