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Two rainfall storms of magnitude 4 cm occurring on two consecutive 6- hr durations on a catchment of area 21 km2 produced the following hydrograph. Estimate the rainfall excess and op index for the peak value. Then convert it to unit hydrograph. Then find the peak discharge at 12-hr UH, and answer the followings * T, hr Q, m3/s 4 8 12 16 20 27 40 60 52 44 30 26 21 18 11 52 56 4 4 24 28 32 36 40 44 48 5 <1 1-3 3-6 6-10 Infiltration index, cm/hr Rainfall, cm Peak flow of 12-hr UH, m3/sec Peak flow of 6-hr O O UH, m3/sec

Two rainfall storms of magnitude 4 cm occurring on two consecutive 6- hr durations on a catchment of area 21 km2 produced the following hydrograph. Estimate the rainfall excess and op index for the peak value. Then convert it to unit hydrograph. Then find the peak discharge at 12-hr UH, and answer the followings * T, hr Q, m3/s 4 8 12 16 20 27 40 60 52 44 30 26 21 18 11 52 56 4 4 24 28 32 36 40 44 48 5 <1 1-3 3-6 6-10 Infiltration index, cm/hr Rainfall, cm Peak flow of 12-hr UH, m3/sec Peak flow of 6-hr O O UH, m3/sec

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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9:.0 Two rainfall storms of magnitude 4 cm occurring on two consecutive 6- hr durations on a catchment of area 21 km2 produced the following hydrograph. Estimate the rainfall excess and p index for the peak value. Then convert it to unit hydrograph. Then find the peak discharge at 12-hr UH, and answer the followings * T. hr Q, m3/s 8 12 16 20 24 28 32 36 40 44 48 52 56 27 40 60 52 44 30 26 21 18 11 5 4 4 <1 1-3 3-6 6-10 Infiltration index, cm/hr Rainfall, cm Peak flow of 12-hr UH, m3/sec Peak flow of 6-hr UH, m3/sec Time of
Transcribed Image Text:9:.0 Two rainfall storms of magnitude 4 cm occurring on two consecutive 6- hr durations on a catchment of area 21 km2 produced the following hydrograph. Estimate the rainfall excess and p index for the peak value. Then convert it to unit hydrograph. Then find the peak discharge at 12-hr UH, and answer the followings * T. hr Q, m3/s 8 12 16 20 24 28 32 36 40 44 48 52 56 27 40 60 52 44 30 26 21 18 11 5 4 4 <1 1-3 3-6 6-10 Infiltration index, cm/hr Rainfall, cm Peak flow of 12-hr UH, m3/sec Peak flow of 6-hr UH, m3/sec Time of
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