A trapezoidal channel has side slope of 1: 1. It is required to discharge 10m³/sec of water with a bed slope of 1 in 1000. If unlined, the value of chezy's constant C is 45. If lined with concrete C is 60, the cost per cubic meter of excavation is 4 times the cost of lining per square meter. The channel to be most efficient one, find whether the lined canal or the unlined canal will be cheaper? What will be the dimensions of economical canal.
A trapezoidal channel has side slope of 1: 1. It is required to discharge 10m³/sec of water with a bed slope of 1 in 1000. If unlined, the value of chezy's constant C is 45. If lined with concrete C is 60, the cost per cubic meter of excavation is 4 times the cost of lining per square meter. The channel to be most efficient one, find whether the lined canal or the unlined canal will be cheaper? What will be the dimensions of economical canal.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A trapezoidal channel has side slope of 1 : 1. It is required to discharge 10m³/sec of water
with a bed slope of 1 in 1000. If unlined, the value of chezy's constant C is 45. If lined with
concrete C is 60, the cost per cubic meter of excavation is 4 times the cost of lining per
square meter. The channel to be most efficient one, find whether the lined canal or the
unlined canal will be cheaper? What will be the dimensions of economical canal.
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