c) Determine the design discharge of a canal with the following data: Crop Sugarcane Overlap sugarcane in hot weather Wheat (Rabi) Bajri (Monsoon) Base period (days) 320 90 120 120 Vegetables (Hot weather) Time factor of canal = 15/20 Capacity factor = 0.75 120 Area Duty (hectares) (Hectares/cumec) 850 580 120 600 500 360 580 1600 2000 600 M 8

c) Determine the design discharge of a canal with the following data: Crop Sugarcane Overlap sugarcane in hot weather Wheat (Rabi) Bajri (Monsoon) Base period (days) 320 90 120 120 Vegetables (Hot weather) Time factor of canal = 15/20 Capacity factor = 0.75 120 Area Duty (hectares) (Hectares/cumec) 850 580 120 600 500 360 580 1600 2000 600 M 8

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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True False 1 Continuous discharge is the discharge which is supplied continuously with the time. 2. Intermittent discharge is the discharge which is supplied through part of the time and discontinued through another part. 3 Intermittent discharge of 0.49 m^3/s is applied for 2 days once every 2 weeks, the required continuous discharge would be 70 Ips.
Q6//The farm shown in the figure is irrigated by furrow system: • FC=32% by vol. ,W P = 18% by vol. . PAD= 70% • Depth of root zone-100 cm • • • • Spacing between furrows = 80 cm The field is irrigated 2 days in week Total available discharge Qa= 60 Lps Discharge of one furrow.q=1.0 Lps Neglect any service area, calculate: a) length of one furrow and their total number b) number of furrows irrigated at the same time and number of irrigation groups c) application time of any group d) net irrigation depth el application efficiency 0.1% 288m ↑ 200m + 0.5%
Solve. Water resources.
The gross commanded area for an irrigation canal is 15,000 hectares out of which 80 percent is cultural commanded area. The intensity of irrigation is 50 percent for rabi. If the kor period is 4 weeks for rabi, determine the (i) outlet discharge. The outlet factor for rabi may be assumed as 1800 hectares/cumec. (ii) also calculate the delta for rabi.
.3. Table below gives the necessary data about the crop, duty of water and the nder each crop commanded by a canal taking off from a storage reservoir. Taking a time factor for ared al to be (12/20), calculate the discharge required at the head of the canal. If the capacity factor is 08. determine the design discharge. Base period (days) Duty of water at the head of the canal Area Crop (hectares) (hectares/cumec) 900 580 320 Sugar cane 580 150 90 Overlap for sugar cane in hot weather 1 600 750 120 Wheat (Rabi) 2 000 600 120 600 Bajra (Kharif) 320 120 Vegetables (Hot weather)
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Compute for the discharge at the outlet of canal to drain a waterlogged area of 100 ha. Drainage coefficient (rate at which water is drained from the field per day) is 10 mm. Ans. 115.7 lps.
At a particular time, the storage in a reach of the Truckee River is 55.3 acre-ft. At that instant, the inflow into the reach is 375 cfs and the outflow is 563 cfs. After 2 hours, the inflow and outflow are 600 cfs and 675 cfs, respectively. (Hint: you will need to estimate the average inflow and outflow rates to complete the problem) • Determine the change in storage volume during the 2 hours. • Determine the stored volume after 2 hours.
Determine a suitable volume (dimensions) for coagulation basin for a flow of 1350 m3/hr, if t= 40 sec. (use circular tank). 1 A B I = &= % & [
The intensity of irrigation is 75% of cultivable area of 6000 ha. The discharge required for crops planted in monsoon, Rabi and hot weather conditions are 2.4 m^3/s, 2.0 m^3/s and 2.8 m^3/sec. The canal was operative for a period of 14 days during the irrigation period of 20 days. Calculate the discharge required at head of canal if the capacity factor is 0.8.