Answered: : Determine the direct runoff resulting…

: Determine the direct runoff resulting from 25 the rainfall given in the following 20 20 figure if D-index is 4 mm/hr. 15 14 10 10 6. 0.5 1.5 2 2.5 3. Time (hours) Intensitv (mm/hr)

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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Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.

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Q1: Determine the direct runoff resulting from
25
the rainfall given in the following
20
20
figure if -index is 4 mm/hr.
15
14
10
10
8
0.5
1
1.5
2
2.5
3
Time (hours)
Intensity (mm/hr)
21

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Q1) A Five hour storm has occurred on a catchment with the following rainfall intensities: Time ( hrs) 1 2 3 4 5 Rainfall(mm)5 11 23 18 3 Surface runoff volume is (40) mm. Draw the storm and calculate (4) index.
Below is a square basin with a single length of 3180 meters. Watershed8 hours for 5 stations at their corners (a, B, C, D) and at their full midpoint (E)Hyetographs of rainfall Figure 4. is also given. Average rainfall of the basin based on information givencalculate its height using the Thiessen method.(T=159)
Develop the equation relating rainfall intensity-duration for the following 10-year frequency rainfall data using Talbot's formula. Duration (min) 10 20 40 60 120 180 Intensity (mm/h) 47 55 35 15 25 18 6. [CLO-2] (04)
Astormwith 10 cm of precipitation produceda directrunoff of 6.02 cm. The duration of the rainfall was 16 hours and its time distribution is given below. Estimate the D-index of the storm. Time from start (h) Cumulative rainfall (cm) 0 2 4 6 8 10 12 14 16 0.4 1.3 2.8 5.1 5.9 9.25 9.5 10.0 A) 0.261 B) 0.249 C) 0.257 D) 0.283 E) None of the above
I need the answer as soon as possible
A stormwith 10 cm of precipitation produceda directrunoff of 6.02 cm. The duration of the rainfall was 16 hours and its time distribution is given below. Estimate the 0-index of the storm. Time from start (h) Cumulative rainfall (cm) 0 2 4 8 10 12 14 16 0.4 1.3 2.8 5.1 5.9 9.25 9.5 10.0 A) 0.261 B) 0.249 C) 0.257 D) 0.283 E) None of the above
Problem 2. A storm had 3 successive 6-hr intervals of rainfall magnitude of 3.0, 5.0 and 4.0 cm, respectively. Time from the beginning 0 3 6 9 12 18 24 30 36 48 54 60 66 42 of the storm (hr) 6-hr UH ordinates (cumecs) 0 150 250 450 600 800 700 600 450 320 200 100 50 0 a. Plot the resulting DRH due to 3 rainfall events, assuming a phi-index of 0.20 cm/hr. • Recall that the phi-index represents the rate of infiltration. • The hydrograph plots RUNOFF rates, where runoff = precipitation - losses. Note that the rainfall magnitude is reported as total rainfall depth in 6 hrs, so convert infiltration as a total for every 6 hr period. b. Assuming a baseflow of 30 m3/s, what are the ordinates of the storm hydrograph?
: Determine the direct runoff resulting from the rainfall given in the following figure if 0-index is 4 mm/hr. 600 10 Intensity (mm/hri 20 15 5 15 Time hours 20
a) 7 c) d) 300 8 The ordinates of the hyetograph of a 6-hr duration rainfall is given below. If the direct runoff is 33 mm, estimate the D-index in mm/hr. Time (hr) Rainfall intensity 10 0 (mm/hr) 0 1 7 2 18 3 25 14 10 5 3 6 12
%VY . Q1: A catchment area is 5 square miles and the total direct Runoff (E D. R = 11150 ft / sec). Estimate the base flow for the data shown in the table below? Time 2 3 4 5. 6. 500 500 1200 2250 2920 2670 2060 1430 Total Flow(ft/sec) 202.57 | 506.43 700.32 627.97 451.44 269.13 11 U.H 10 1100 910 Time 9 12 13 14 15 16 Total 780 650 530 510 510 500 Flow(ft'/sec) U.H 173.6 118.65 81.03 52.09 28.94 11.57 2.89 Q2: Develop a 3-hr synthetic unit hydrograph for the catchment are using Snyder's method only. If the catchment area is 400 kan?, L= 25 kam and La km, assuming C15 and C,-0.7 •,.0 |||||||||||||1||||||| إلغاء إعادة تعي ين