A trapezoidal channel with a 20ft wide bottom and side slopes, m, of 1.75 carries a discharge of 250cfs. The asphalt-lined channel has an average ground slope of 0.001. Determine the normal depth and critical depth of the channel. Construct a Specific Energy diagram for this flow area at the discharge specified. Plot flow area depth, y, on the y-axis, and specific energy, E, on the x-axis. Be sure to label the axes appropriately (e.g., include units).

A trapezoidal channel with a 20ft wide bottom and side slopes, m, of 1.75 carries a discharge of 250cfs. The asphalt-lined channel has an average ground slope of 0.001. Determine the normal depth and critical depth of the channel. Construct a Specific Energy diagram for this flow area at the discharge specified. Plot flow area depth, y, on the y-axis, and specific energy, E, on the x-axis. Be sure to label the axes appropriately (e.g., include units).

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 19P

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