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Determine the peak flow of return period 5 years at the outlet D. The IDF equation for the area is: i (in/hr)=120 T0.175/(tc+27) where, T = return period in years and to is time of concentration in minutes. III IV E NE VI B Catchment Area II Runoff coefficient Inlet time A C (acres) (min) I II III 2343 0.7 0.7 0.6 IV 4 0.6 10 V 5 0.5 15 VI 4.5 0.5 15 VII 4.5 0.5 15 ST00555 7 10 VII Pipe Length (ft.) Slope (%) EB 450 0.64 AB 550 0.81 BC 400 0.64 CD 450 0.64 Note: Assume the flow velocity in each pipe is 5 ft/s

Determine the peak flow of return period 5 years at the outlet D. The IDF equation for the area is: i (in/hr)=120 T0.175/(tc+27) where, T = return period in years and to is time of concentration in minutes. III IV E NE VI B Catchment Area II Runoff coefficient Inlet time A C (acres) (min) I II III 2343 0.7 0.7 0.6 IV 4 0.6 10 V 5 0.5 15 VI 4.5 0.5 15 VII 4.5 0.5 15 ST00555 7 10 VII Pipe Length (ft.) Slope (%) EB 450 0.64 AB 550 0.81 BC 400 0.64 CD 450 0.64 Note: Assume the flow velocity in each pipe is 5 ft/s

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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Determine the peak flow of return period 5 years at the outlet D. The IDF equation for the area is: i (in/hr)=120 T0.175/(tc+27) where, T = return period in years and to is time of concentration in minutes. III IV E NE VI B Catchment Area II Runoff coefficient Inlet time A C (acres) (min) I II III 2343 0.7 0.7 0.6 IV 4 0.6 10 V 5 0.5 15 VI 4.5 0.5 15 VII 4.5 0.5 15 ST00555 7 10 VII Pipe Length (ft.) Slope (%) EB 450 0.64 AB 550 0.81 BC 400 0.64 CD 450 0.64 Note: Assume the flow velocity in each pipe is 5 ft/s
Transcribed Image Text:Determine the peak flow of return period 5 years at the outlet D. The IDF equation for the area is: i (in/hr)=120 T0.175/(tc+27) where, T = return period in years and to is time of concentration in minutes. III IV E NE VI B Catchment Area II Runoff coefficient Inlet time A C (acres) (min) I II III 2343 0.7 0.7 0.6 IV 4 0.6 10 V 5 0.5 15 VI 4.5 0.5 15 VII 4.5 0.5 15 ST00555 7 10 VII Pipe Length (ft.) Slope (%) EB 450 0.64 AB 550 0.81 BC 400 0.64 CD 450 0.64 Note: Assume the flow velocity in each pipe is 5 ft/s
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