H.W.1- Calculate the discharge of field channel thatirrigated only two borders at the same time, if thesoil of the field is sand, longitudinal slop is 1%, unitflow per meter width is 7 l/s, border width is 9 m.2- calculate the volume of irrigation water if theaverage irrigation depth is 80 mm.

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Answered: H.W. 1- Calculate the discharge of…

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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T t + 1. Flow 3LH 3/2 2. Length = 70 ft 3. Crest height = 60 ft Hydrology HW1// Route the flood hydrograph indicated below through a reservoir. The storage (elevation versus volume) data obtained from the reservoir survey are given. The spillway has the following characteristics: • Flood Routing • Reservoir Routing • HW1// (1 = புர் ||| Prepared by Dr Nabil Al Amery Inflow Time (hr) Flow (cfs) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 0 600 2100 2500 1600 950 550 300 80 0 فلاتر O 4th year civil engineering class Storage Date Elevation Storage (ft) (acre ft) 60 61 62 63 64 65 300 330 360 395 430 470 × إضافة شرح... > mum
Determine the unit hydrograph for a stream basin of area 2 km2 from the given data of a 5 hr storm and average base flow of 35 m3/s.
do not round off everything
The schematic diagram of a drainage basin which is divided into three subbasins is shown in the following figure. Calculate the peak discharge at the outlet (point 3) for a rainfall event that has a return period of 10 years. Use IDF curve expressed as i₁0-6879.9/(t1.02+36.74) A₁₂ =3ha C=0.15 Icon=12min inlet A₁ =5ha C₁=0.5 tcon=10min A=4ha inlet C=0.70 |tcon=6min inlet Outlet of the 1 L=200m T1-2-3min 2 L=250m 3 basin T2-3-4min
Determine the peak flow of return period 5 years at the outlet D. The IDF equation for the area is: i (in/hr)=120 T0.175/(tc+27) where, T = return period in years and to is time of concentration in minutes. III IV E NE VI B Catchment Area II Runoff coefficient Inlet time A C (acres) (min) I II III 2343 0.7 0.7 0.6 IV 4 0.6 10 V 5 0.5 15 VI 4.5 0.5 15 VII 4.5 0.5 15 ST00555 7 10 VII Pipe Length (ft.) Slope (%) EB 450 0.64 AB 550 0.81 BC 400 0.64 CD 450 0.64 Note: Assume the flow velocity in each pipe is 5 ft/s
C11
An urban catchment has an area of 0.85 km². The slope of the catchment is 0.006 and the maximum length of travel of water is 950 m. The maximum depth of rainfall with a 25 year return period is as shown: Duration (min) 5 10 20 30 Rainfall (mm) 17 26 40 50 57 40 60 62 If a culvert for drainage at the outlet of this area is to be designed for a return period of 25 years, estimate the required peak-flow rate by assuming the runoff coefficient of 0.3
Determine the discharge of a distributary at the tail end from the following data: Gross Command Area (GCA) = 20000ha Cultivable Command Area (CCA) = 70% Losses beyond the tail end = 1 m³s-1 Kharif Rice Rabi Wheat Irrigation Kor depth Kor period intensity 19 cm 15% 2.5 weeks Irrigation Kor depth intensity 13.5 cm 30% Sugarcane Irrigation Kor depth intensity 16.5 cm 10% Kor period 4 weeks Kor period 4 weeks
Q7: A discharge of 0.15 cumecs is supplied into a canal at the head and 0.1 cumecs is delivered to field having an area of 1.5 hac. The Irrigation is started at a moisture extraction level of 60% of the available moisture and then extends for 10 hours. Determine the following efficiencies: water conveyance, water application, water storage, and water distribution. The following information are known: effective depth of r.z. = 1.7 m, runoff loss in the field = 425 m', water penetration depth varies linearly from 1.7 m at the head end of the field to 1.1 m at the tail end, W.H.C. = 25cm/m depth of soil.
Answer number 11 a b and c
In a basin irrigation system, infiltration equation is Z=6T0.5 (T as min and Z asmillimeter), discharge in width unit is 0.000286 cubic meters per second per meter,available discharge for irrigation is 1.0188 m3/hr, there is no runoff, basin width is 6 meters, requiremed effective storage in root depth is 10cms, and final infiltration after 4 hours (when water reach the end of basin) is 10 millimeters per hour. Determine length of basin in m, irrigation time in minutes, and average deep percolation in mm
A lake has a surface area of 2.6 mi² (6.7 km²) and an average depth of 23 feet (7.0 m). It has one inlet stream with an average discharge of 15.3 ft3/second (0.433 m³/sec) and one outlet stream with an average discharge of 13.9 ft /second (0.394 m³/sec). (a) Compute the volume of the lake. (b) Estimate the average residence time for water in the lake. (c) Consider the water balance for the lake. Name additional possi- ble terms in the balance aside from those listed above. What can you conclude about the total of these other terms?

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