oa Civil Engineering = Siviele Ingenieurswese - Bepaling van die ruheidsmaat k en die wrywingskoeffisient f van 'n 2,5 m deursnee ou betonpyp



In this experimental series an attempt was made to determine the relative roughness factor 'k' and the corresponding coefficient of friction 'f' for an old concrete pipe and to compare these values over a number of years. The six-year investigation was done on an inverted concrete syphon which forms part of the Hartebeespoort irrigation scheme in the Brits district.


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