National Institute of Technology Rourkela

राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला

ଜାତୀୟ ପ୍ରଯୁକ୍ତି ପ୍ରତିଷ୍ଠାନ ରାଉରକେଲା

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Syllabus

Course Details

Subject {L-T-P / C} : CE4401 : Irrigation Engineering { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Minakshee Mahananda

Syllabus

Module 1 :

Introduction: (4 Hours)
Necessity of irrigation, scope of irrigation engineering, benefits and ill effects of irrigation, irrigation development in India, types of irrigation systems, Classification- choice of method of irrigation- surface and subsurface irrigation methods, Sprinkler and Drip Irrigation.

Module 2 :

Water requirements of crops: (6 Hours)
Soil-water plant relationship: Classification of soil water- soil moisture contents- depth of soil water available to plants- permanent and ultimate wilting point, Depth of water applied during irrigation- Duty of water and delta improvement of duty- command area and intensity of irrigation consumptive use of water and evapotranspiration- irrigation efficiencies- assessment of irrigation water

Module 3 :

Design of Irrigation Channel: (8 Hours)
Alignment- canal capacity- losses- FSL of canal- design of canal in alluvial soil and non alluvial soils- Kennedy’s silt theory- Lacey’s regime theory- use of Garrets diagrams and Lacey’s Regime diagrams- lining of irrigation channels- design of lined canal drainage.

Module 4 :

Water logging and Diversion head works (6 Hours)
Causes, Measures: surface and sub-surface drains, land reclamation, Design of sub-surface drainage, Different types of filters, Estimation of quantity of drainage water at the outlet

Types- selection of the suitable site for the diversion headwork components of diversion headwork- Causes of failure of structure on pervious foundation- Khosla’s theory- Design of concrete sloping glacis weir

Module 5 :

Cross Drainage Works, Dam and Spillway (12 hours)
Introduction to cross-drainage structures, classification and selection of suitable cross-drainage works, various types of aqueducts and syphon aqueducts, design considerations for cross-drainage structures, provision of joints and water stops in reinforced concrete ducts of aqueducts and super passages.
General introduction to dams, various types of dams, problems encountered in dam construction, selection and classification of dams, factors governing the selection of a particular type of dam, and criteria for selection of dam sites. Definition and introduction to gravity dams, typical cross-section of gravity dams, forces acting on gravity dams, modes of failure, and criteria for structural stability of gravity dams. Spillway Type and Location.

Course Objective

1 .

To understand the fundamental concepts of irrigation engineering, including the necessity, scope, methods, and development of irrigation systems.

2 .

To analyze crop water requirements, soil–water–plant relationships, irrigation efficiencies, and assessment of irrigation water for effective water management.

3 .

To develop the ability to design irrigation channels and drainage systems using principles of open channel flow, sediment transport theories, and canal design approaches.

4 .

To understand the principles and design aspects of diversion headworks, cross-drainage structures, dams, and spillways for sustainable hydraulic infrastructure development.

Course Outcome

1 .

Explain the fundamental concepts of irrigation engineering, including irrigation methods, irrigation systems, and the importance of irrigation in agricultural water management.

2 .

Analyze soil–water–plant relationships, crop water requirements, irrigation efficiencies, evapotranspiration, and assessment of irrigation water for effective irrigation planning.

3 .

Design irrigation channels in alluvial and non-alluvial soils using Kennedy’s and Lacey’s theories, and evaluate canal lining and drainage requirements.

4 .

Apply the principles of waterlogging control, subsurface drainage, and diversion headworks, including the analysis of seepage and stability of structures on pervious foundations.

5 .

Evaluate the design and functional aspects of cross-drainage works, dams, gravity dams, and spillways for sustainable hydraulic and irrigation infrastructure development.

Essential Reading

1 .

P. N. Modi, Irrigation Water Resources and Water Power Engineering, Standard Book House, New Delhi.

2 .

S. K. Garg, Irrigation Engineering and Hydraulic Structures, Khanna Publishers, New Delhi.

Supplementary Reading

1 .

B. C. Punmia and B. B. Pande, Irrigation and Water Power Engineering, Laxmi Publication Pvt. Ltd., New Delhi

2 .

Dilip Kumar Majumdar, Irrigation Water Management, Prentice-Hall of India, New Delhi

Journal and Conferences

1 .