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A rectangular channel section has a width of 2 meters and a depth of flow of 1.7 meters supports a flow of 10.2 m3/sec. The channel bed has a roughness correlating to a coefficient of 0.012. If excavation costs 650 pesos per cubic meter, compute the saving per kilometer of the canal if the most efficient trapezoidal section was instead used.

A rectangular channel section has a width of 2 meters and a depth of flow of 1.7 meters supports a flow of 10.2 m3/sec. The channel bed has a roughness correlating to a coefficient of 0.012. If excavation costs 650 pesos per cubic meter, compute the saving per kilometer of the canal if the most efficient trapezoidal section was instead used.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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2. A rectangular channel section has a width of 2 meters and a depth of flow of 1.7 meters supports a flow of 10.2 m3/sec. The channel bed has a
roughness correlating to a coefficient of 0.012. If excavation costs 650 pesos per cubic meter, compute the saving per kilometer of the canal if
the most efficient trapezoidal section was instead used.

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