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Sathyabama Institute of Science and Technology B.E. - Civil Engineering SCIA3001 Irrigation Engineering Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY

SCIA3001 IRRIGATION ENGINEERING
L T P Credits Total Marks
3 0 0 3 100


UNIT 1 IRRIGATION PRINCIPLES 9 Hrs.
Need for irrigation - Advantages and ill effects - Development of irrigation - Environmental effects - Physical & Chemical
properties of soil that influence soil moisture characteristics - Concept of soil water potential and its components Retention
of water in soils and concept of plant available water Quality of irrigation water - Types of irrigation - Limitation -
Advantages.

UNIT 2 CROP WATER REQUIREMENTS 9 Hrs.
Water requirements of crops - Crop period - Base period - Duty and Delta - Factors affecting Duty - Methods of improving
Duty - Consumptive use of water - Estimation of Consumptive use of water - Irrigation Efficiencies Irrigation requirement of
crops. Methods of application of irrigation water - Water Logging - Causes of water logging - Methods of reclaiming water
logged area.

UNIT 3 IRRIGATION SYSTEM COMPONENTS 9 Hrs.
Components and functions of irrigation network - Canal regulators - Canal drop - Canal cross drainage works, Canal outlets
- Canal lining - Concepts of Kennedy’s and Lacey’s formulae. Cross drainage works Introduction, types of cross drainage
works and their selection, design aspects of aqueducts, siphon aqueducts, supper passages, canal siphon and level
crossings.

UNIT 4 DIVERSION HEADWORKS 9 Hrs.
Types of Weirs and Barrages - Bligh’s theory - Limitations - Khosla’s theory - Silt Excluders - Silt ejectors Divide wall - River
training works. Canal falls - Site selection - Types of canal falls - Design of Sarda type fall and Design of straight glacis fall
Spillways - Types - Energy dissipaters - Discharge formula for Ogee Spillway.

UNIT 5 IRRIGATION WATER MANAGEMENT 9 Hrs.
Need for interdisciplinary approach - Irrigation beneficiaries - Irrigation scheduling - methods of irrigation scheduling -
participatory approach: farmer’s organization and turn over - Water Users Association - Economical aspects of irrigation
Max. 45 Hrs.

COURSE OUTCOMES
On completion of the course, students will be able to
CO1 - Understand the irrigation methods and duty-delta relation for crops
CO2 - Calculate Net Irrigation Requirement, Field Irrigation Requirement and Gross Irrigation Requirement.
CO3 - Analyzing irrigation canals and canal network for design
CO4 - Plot seepage line of earthen dam with corrections at entry and exit
CO5 - Calculate the pressure at key points of sheet piles and floor thickness for a weir/barrage using Khosla’s theory
CO6 - Creating Plan an Irrigation System

TEXT / REFERENCE BOOKS
1. Santhosh Kumar Garg, “Irrigation and Hydraulic Structures”, Khanna Publishers, New Delhi, 2016.
2. Sharma R.K., “Irrigation Engineering and Hydraulic Structures”, Oxford and IBH Publishing Company, 1994.
3. Dilip Kumar Mujumdar, “Irrigation Water Management - Principals and Practice”, Prentice Hall of India, New Delhi,
2000.
4. Punmia B.C., Pande B., Lal B., “Irrigation and Water Power Engg”, Laxmi Publications Pvt. Ltd., 2016.
5. Asawa G.L., “Irrigation Engineering”, New Age International Publishers, 2012.
6. Sathyanarayana Murthy, “Water Resources: Engineering Principles and Practices”, New Age Publishers, 1997.
7. Garg S.K., “Irrigation Engineering and Hydraulic structures”, Khanna Publishers, 23rd Revised Edition, New Delhi, 2009.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2 marks each - No choice 20 Marks
PART B: 2 Questions from each unit of internal choice; each carrying 16 marks 80 Marks