5. A new highway needs to withstand a storm with a rainfall intensity of 75 mm/h. The section of highway to be drained is 10m wide and 500m long. The drainage channel available to this highway is 0.75 m wide and 0.5 m deep with a roughness value of n = 0.03. What is the minimum slope the channel need to be to drain the highway effectively?
5. A new highway needs to withstand a storm with a rainfall intensity of 75 mm/h. The section of highway to be drained is 10m wide and 500m long. The drainage channel available to this highway is 0.75 m wide and 0.5 m deep with a roughness value of n = 0.03. What is the minimum slope the channel need to be to drain the highway effectively?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![5. A new highway needs to withstand a storm with a rainfall intensity of 75 mm/h.
The section of highway to be drained is 10m wide and 500m long. The drainage
channel available to this highway is 0.75 m wide and 0.5 m deep with a
roughness value of n = 0.03. What is the minimum slope the channel need to
be to drain the highway effectively?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbe67a6c0-f9be-4bc7-aa71-e898918215a1%2F321dcb6b-28c8-403a-a0ed-fb70e7421f2a%2Ffb1x6en_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. A new highway needs to withstand a storm with a rainfall intensity of 75 mm/h.
The section of highway to be drained is 10m wide and 500m long. The drainage
channel available to this highway is 0.75 m wide and 0.5 m deep with a
roughness value of n = 0.03. What is the minimum slope the channel need to
be to drain the highway effectively?
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