A 3000 m long triangle channel carries 6.5 m³/s of water. The depth of the flow is 1.45 m. The channel is constructed from rough-formed concrete with a roughness coefficient of n=0.017. What is the difference in elevation between the two ends of the channel? Solution: water 60 /concrete channel 1. Channel geometry: o Side slope m = o Section area A= o Hydraulic radius Rh= 2. Discharge: o Slope So= ο Elevation difference ΔΗ= I m²; m; m. (

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.