irrigation engineering
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Irrigation engineering (170602)
B.E. 7TH DARSHAN INSTITUTE OF ENGINEERING &
TECHNOLOGYPrepared by :- Assistant Professor Vidhi.
IrrigationWhat? artificial application of water Where to apply? to the root zone of the cropWhen to apply? at right timeHow much to apply? in required quantityWhat for?for optimum crop yield
IRRIGATION ENGINEERING
• IT IS A SCIENCE DEALING WITH • PLANNING , DESIGNING, CONSTRUCTION,
OPERATION AND MAINTENANCE OF IRRIGATION WORKS.
Introduction
• scope• advantages• disadvantages• types of irrigation system• soil water plant relationship
Water requirements of crops
• Duty• Delta• Consumptive use of water• Irrigation efficiency
Module ii
• Methods of irrigation
• Irrigation channels
Methods of Irrigation
Module-IIPart-I
Methods of irrigation
Surface methods
Subsurface methods
Sprinkler irrigation
Irrigation Channels
Module-II Part-II
Irrigation channels
Permenant inudation
Feeder carrier
MainBranch
Productive Protective
ContourWatershed
Methods of irrigation
Sub types Components Design considerations Advantages Disadvantages Design Applicability Modern methods
Irrigation channels
Components Cross sections Design theories Lining of canal Problem (waterlogging) Drainage methods Land reclamation
Module III
Head works whatA hydraulic structure across a river whyfor the purpose of raising water level whereso it can be diverted in the canal is
head works.
Diversion head works
Head works
Storage •Dam
Diversion
•Weir •Barrage
Types of head works
Selection of site
Components
Failures
Design bligh’s & khosla’s theory
Module IV
Cross drainage works
Canal regulation works
Canal Regulation Works
170602Module-IV
Part-II
Canal regulation works
The structures constructed on a canal to regulate the discharge, full supply level and velocity of flow are known as canal regulation works
Canal regulation works
Canal falls
Cross regulator
Distributary head regulator
Canal escapes
Cross drainage work
• It is a hydraulic structure constructed for carrying a canal across a natural drain
Types of cd works
Canal over drain
•Aqueduct •Syphon aqueduct
Drain over canal
•Super passage•Canal syphon
Mix water canal and drain
•Level crossing •Inlets and outlets
Course work
• Assignments 1. Introduction.2. Methods of irrigation.3. Irrigation channels.4. Diversion head works.5. Cross Drainage Works.
Presentation on model
Roll no Topic 1 to 10 Ogee fall11 to 20 Rapid fall21 to 30 Stepped fall31 to 40 Notch fall41 to 50 Vertical drop fall51 to 60 Glasis fall61 to 70 Montague fall71 to 80 Inglis fall
• University external – 30 marks• Mid sem - 30 marks (module 1 – 30 marks, 2 - 30 marks, 3 - 30 marks Average of three exams )• Practical internal – 20 marks (presentation on
model )
REFRENCE BOOKS
1. P.N. Modi, Irrigation, Water Resources and Water Power Engineering, Standard Book house, New Delhi
2. S.K. Sharma, Principles and Practice of Irrigation Engineering, S. Chand & Company Pvt. Ltd, New Delhi
3. B.C. Punmia, and B.B. Pande, “Irrigation and Water Power Engineering”, Laxmi Publication Pvt. Ltd., New Delhi
4. S.K.Gerg irrigation engineering and hydraulic structure.
5. K.R.Arora irrigation engineering and hydraulic structure.
Any Question
?
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