Author(s): A. M. Mukhamedov; H. H. Ishanov; H. A. Kurbanov

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Abstract: Stable beds of the exploited earth canale have mainly tra-pezoidal and parabolic shape,in trapezoidal bed streams havemore complicated kinematic structure(8).Despite aignificant difference of kinematic structure ofstreams in flat and spatial bed shapes oalculations of streamepeeds'distribution,undiffusing and assumed speeds,roughne8scoefficient,or hydraulic resistance,limit values of frictionBtress tangente,and other parameters of the real stable sandbeds altogether with modelling of bedforming processeB,up tonow are being carried on without ample correction of the datathat has been obtained in flat bed conditions,This can lead toserioue errorB,eapecially in case when the parameters of largeartificial beds(canals)having no analogues are being calcula-ted.

DOI:

Year: 1991