A channel with rectangular cross-section is to convey 1,4 m/s of water on a longitudinal slope...
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A channel with rectangular cross-section is to convey 1,4 m³/s of water on a longitudinal slope of 1:1000. The channel is sized for the best hydraulic section and will flow full. You need to establish the best economic option for the channel by evaluating between two cases, namely, to line the channel with concrete or to have no lining. Use the following information: The cost of lining / m² is twice the cost of excavation / m³ The Chezy roughness coefficient for the concrete lined channel is 81. The Chezy roughness coefficient for the unlined clay channel is 27. Compare the cost for the two options; and Give two reasons for your final choice (10) (2) A channel with rectangular cross-section is to convey 1,4 m³/s of water on a longitudinal slope of 1:1000. The channel is sized for the best hydraulic section and will flow full. You need to establish the best economic option for the channel by evaluating between two cases, namely, to line the channel with concrete or to have no lining. Use the following information: The cost of lining / m² is twice the cost of excavation / m³ The Chezy roughness coefficient for the concrete lined channel is 81. The Chezy roughness coefficient for the unlined clay channel is 27. Compare the cost for the two options; and Give two reasons for your final choice (10) (2)
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Given data Chezys constant for concrete lining 81 Chezys const... View the full answer
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