Irrigation Engineering

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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