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10-A hydrograph resulting from two hour rain fall over an area of 370 km?. Derive one hour unit hydrograph. Time, hr 1 3 4 7 8 Flow , m/s 10 80 380 500 480 340 210 80 10

10-A hydrograph resulting from two hour rain fall over an area of 370 km?. Derive one hour unit hydrograph. Time, hr 1 3 4 7 8 Flow , m/s 10 80 380 500 480 340 210 80 10

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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10-A hydrograph resulting from two hour rain fall over an area of 370 km. Derive one hour unit hydrograph. Time, hr 1 2 3 4 6. 7 8 9. Flow , m/s 380 500 480 340 10 80 210 80 10 11- The design storm of water shed has the depths of rainfall of 4.9 and 3.9 cm for the consecutive 1-hr periods. The 1-hr unit hydrograj triangle of base 6hr with a peak of 50 m'/s occurring after 2 hr from the beginning. can be imated Compute the flood hydrograph assuming an average loss rate of 9 mm/hr and constant base flow of 10 m'/s. What are the areas of water shed and its coefficient of runoff?
Transcribed Image Text:10-A hydrograph resulting from two hour rain fall over an area of 370 km. Derive one hour unit hydrograph. Time, hr 1 2 3 4 6. 7 8 9. Flow , m/s 380 500 480 340 10 80 210 80 10 11- The design storm of water shed has the depths of rainfall of 4.9 and 3.9 cm for the consecutive 1-hr periods. The 1-hr unit hydrograj triangle of base 6hr with a peak of 50 m'/s occurring after 2 hr from the beginning. can be imated Compute the flood hydrograph assuming an average loss rate of 9 mm/hr and constant base flow of 10 m'/s. What are the areas of water shed and its coefficient of runoff?
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