UNIQUE SERIES AKTU Syllabus
BAG061

Mechanics of Tillage and Traction

L-T-P3-0-0 Credits3 Session2024-25 TypeTheory
Appears in 1 semester

B.Tech Agricultural Engineering · Sem 6 (Departmental Elective-III)

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Pre-requisites: Basic knowledge of mechanics, soil mechanics and farm machinery.

Syllabus

5 units
Unit1

Unit 1

Introduction to mechanics of tillage tools, methods of soil testing, engineering properties of soil, principles and concepts, stress strain relationship. Measurement of static and dynamic soil parameter and soil compaction and plant growth.

Unit2

Unit 2

Design of tillage tools, principles of soil cutting, design equation, force acting on tillage tools such as MB plough & cultivator, application of dimensional analysis in soil dynamics of tillage tools. Measurement of draft of various tillage tools like passive and oscillatory.

Unit3

Unit 3

Introduction to traction and mechanics, off road traction and mobility, traction model, traction improvement, traction prediction.

Unit4

Unit 4

Tyre size, tyre lug geometry and their effects, tyre testing Variability and geo statistic, application of GIS in soil dynamics.

Unit5

Unit 5

Weight transfer and tractor loading including placement and traction aids; Studies on tyres, tracks and treads under different conditions, and soil compaction and number of operations.

Course Outcomes (COs)5 outcomes

After completion of the course student will be able to:

  1. CO1Know mechanics of tillage tools and various engineering properties of soil.K2
  2. CO2Analyze the design of tillage tools, principles of soil cutting and Measurement of draft.K2, K3&K4
  3. CO3Understand and analyze the mechanics of traction.K2&K4
  4. CO4Know the geometry of different traction devices such as tyres and tracks also analyze the use of GIS in soil dynamics.K2&K4
  5. CO5Analyze the weight transfer and tractor loading including placement and traction aids.K4

Suggested Reading

  1. Jones, F.R. Farm Gas Engines and Tractors
  2. Barger, E.L.; Lijedehl, J.B; Carleton, W.B. and Mc Kibben, E.G. Tractors and their Power Units.
  3. Moses and Frost. Farm Power.
  4. Smith HP and LH Wilkey. Farm Machinery and Equipment.
  5. Culpin Claude. Farm Machinery.
  6. Gill and Vandenberg.1968. Soil Dyanamics in Tillage and Traction. Agricultural Research Service, USDA, Govt. Printing Press, Washington, D.C.
  7. Macmillan, R.H.2002. The Mechanics of Tractor-Implement Performance. International Development Technologies Centre, University of Melbourne.
  8. Terzaghi, K and P. Ralph B. 1967. Soil Mechanics in Engineering Practices. John Willey & Sons.

Official AKTU syllabus

This subject is on page 36, 37 of the original AKTU PDF.

Official AKTU syllabus PDF ↗