A rectangular channel has a width of 5 m, carriers a discharge of 25.2 m/s with a depth of 3.6 m at section 1. At a certain distance downstream (section 2), flow experiences a smooth and gradual contraction with a minimum width of B to form a critical condition. Note: The energy loss is 100% of the velocity head at section 1. b) Calculate the Froude number in section 1 c) Calculate the minimum channel width (B) at section 2 such that no backwater occurs for this discharge 1) Calculate the force imbalance using the momentum equation bo F- Top verw Bin Q 3₁ Side verw

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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.