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Problem 3. A 50-ha catchment has the following time-area relationship. Estimate the runoff hydrograph (cfs) using the time-area method for a 30-min rainfall hyetograph given. Time (min) Contributing area (na) 1 10 2 15 20 10 25 30 30 50 Time (min) Average rainfall intensity (cm/hr) 0-5 10 5-10 10-15 6. 15-20 4. 20-25 3 25-30 1

Problem 3. A 50-ha catchment has the following time-area relationship. Estimate the runoff hydrograph (cfs) using the time-area method for a 30-min rainfall hyetograph given. Time (min) Contributing area (na) 1 10 2 15 20 10 25 30 30 50 Time (min) Average rainfall intensity (cm/hr) 0-5 10 5-10 10-15 6. 15-20 4. 20-25 3 25-30 1

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Problem 3. A 50-na catchment has the following time-area relationship. Estimate the runoff hydrograph (cfs) using the time-area method for a 30-min rainfall hyetograph given. Time (min) Contributing area (ha) 1 10 15 20 10 25 30 30 50 Time (min) Average rainfall intensity (cm/hr) 0-5 10 5-10 8 10-15 6. 15-20 20-25 3 25-30 1
Transcribed Image Text:Problem 3. A 50-na catchment has the following time-area relationship. Estimate the runoff hydrograph (cfs) using the time-area method for a 30-min rainfall hyetograph given. Time (min) Contributing area (ha) 1 10 15 20 10 25 30 30 50 Time (min) Average rainfall intensity (cm/hr) 0-5 10 5-10 8 10-15 6. 15-20 20-25 3 25-30 1
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