01 $):A stream of 135 l/s was delivered from a canal and 110 1/s were delivered to he field. An area of 2.6 ha was irrigated in 10 hrs. Effective depth of root zone was 1.8m. The runoff loss in the field was 530 m³. The depth of water penetration is varying from the head end of the field to the tail end as shown in the sketch below. Available moisture holding capacity of the soil is 47 cm for the total depth of soil. Determine water conveyance, water application, water storage, and water distribution efficiencies. The irrigation was started at a moisture extraction level of 65% of the available moisture. 1.8 1.7 1.65 1.5 ㅏㅏ H + + Head end 1.46 1.4 + 1.35 Tail end

01 $):A stream of 135 l/s was delivered from a canal and 110 1/s were delivered to he field. An area of 2.6 ha was irrigated in 10 hrs. Effective depth of root zone was 1.8m. The runoff loss in the field was 530 m³. The depth of water penetration is varying from the head end of the field to the tail end as shown in the sketch below. Available moisture holding capacity of the soil is 47 cm for the total depth of soil. Determine water conveyance, water application, water storage, and water distribution efficiencies. The irrigation was started at a moisture extraction level of 65% of the available moisture. 1.8 1.7 1.65 1.5 ㅏㅏ H + + Head end 1.46 1.4 + 1.35 Tail end

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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Problem 3. A stream of 175 liters per second was diverted from the river and 105 liters per second was delivered to the field. An area of 2 hectares was irrigated in hours. The root-zone depth was 1.8 m. The runoff averaged 50 liters per second for 3 hours. The depth of water penetration varied linearly from 1.8 m at the head of the field to 1.2 m at the end of the field. Determine ,, the water-storage efficiency, and the water-distribution efficiency.
A stream of 135 L/s was diverted from a canal and 100 L/s were delivered to the field. An area of 1.6hectares was irrigated in 8 hours. The effective depth of root zone was 1.8 m. the runoff loss in the fieldwas 432 m3. The depth of water penetration varied linearly from 1.8 m at the head end of the field to1.2 m at the tail end. Available moisture holding capacity of the soil is 20 cm per meter depth of soil.Irrigation was started at a moisture extraction level of 50 percent of the available moisture. Determine;a. The water conveyance efficiencyb. The water application efficiencyc. The water storage efficiencyd. The water distribution efficiency
Problem 3. A stream of 175 liters per second was diverted from the river and 105 liters per second was delivered to the field. An area of 2 hectares was irrigated in hours. The root-zone depth was 1.8 m. The runoff averaged 50 liters per second for 3 hours. The depth of water penetration varied linearly from 1.8 m at the head of the field to 1.2 m at the end of the field. Determine the water-conveyance efficiency, the water-application efficiency, * ~ff:
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