In designing a canal for supplying a power plant, the problem arises as to whether a trapezoidal or rectangular section should be built. If the former be used, it is found that, with a clean earth lining, a flow section with a top width of 12.20 m, bottom width 3 m, and water depth of 1.5 m will deliver the required quantity of water if laid on a slope of 0.00075. Could a lesser slope be used in employing a rectangular section if the area of flow and velocity be maintained at the same values as in trapezoidal section? What would be its value? (use n= 0.020 for both sections) a.0.00025 b.0.00020 c.0.00050 d.0.00030
In designing a canal for supplying a power plant, the problem arises as to whether a trapezoidal or rectangular section should be built. If the former be used, it is found that, with a clean earth lining, a flow section with a top width of 12.20 m, bottom width 3 m, and water depth of 1.5 m will deliver the required quantity of water if laid on a slope of 0.00075. Could a lesser slope be used in employing a rectangular section if the area of flow and velocity be maintained at the same values as in trapezoidal section? What would be its value? (use n= 0.020 for both sections) a.0.00025 b.0.00020 c.0.00050 d.0.00030
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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In designing a canal for supplying a power plant, the problem arises as to whether a trapezoidal or rectangular section should be built. If the former be used, it is found that, with a clean earth lining, a flow section with a top width of 12.20 m, bottom width 3 m, and water depth of 1.5 m will deliver the required quantity of water if laid on a slope of 0.00075. Could a lesser slope be used in employing a rectangular section if the area of flow and velocity be maintained at the same values as in trapezoidal section? What would be its value? (use n= 0.020 for both sections)
a.0.00025
b.0.00020
c.0.00050
d.0.00030
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