10-A hydrograph resulting from two hour rain fall over an area of 370 km.Derive one hour unit hydrograph.Time, hr12346.789.Flow , m/s3805004803401080210801011- The design storm of water shed has the depths of rainfall of 4.9 and 3.9 cm forthe consecutive 1-hr periods. The 1-hr unit hydrograjtriangle of base 6hr with a peak of 50 m'/s occurring after 2 hr from the beginning.can beimatedCompute the flood hydrograph assuming an average loss rate of 9 mm/hr andconstant base flow of 10 m'/s. What are the areas of water shed and its coefficientof runoff?

1. Area=370 km2 2. Duration= 2 hour time, hr flow, m3/s 1 10 2 80 3 380 4 500 5 480 6…

Answered: 10-A hydrograph resulting from two hour…

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

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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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