BAG303

Strength of Materials & Engineering Mechanics

L-T-P2-1-0 Credits3 Session2023-24 TypeTheory
Appears in 1 semester

B.Tech Agricultural Engineering · Sem 3 (Core)

Pre-requisites: Basic knowledge of mathematics and physics of secondary level.

Syllabus

5 units
Unit1

Unit 1

Simple stresses and strain Shear force and bending moment diagrams. Review of pure bending, Direct and shear stresses in beams due to transverse and axial loads. Analysis of statically intermediate beams. Fixed and continuous beams. Slope and deflection of beams using Mcauley techniques, moment area theorems and conjugate beam method.

Unit2

Unit 2

Compound stress and strains: Principal stress and strain. Mohr’s stress circle, three dimensional states of stress and strain, Torsion of circular shaft and non-circular shaft. Columns and struts, derivation of buckling load equation for both end hinged, one end fixed and other end free, both end fixed & one end fixed and other end hinged, Empirical formula for columns.

Unit3

Unit 3

Two dimensional force systems: Basic concepts, Laws of motion, Principle of Transmissibility of forces, Transfer of a force to parallel position, resultant of a force system simplest resultant of two dimensional concurrent force systems, Distributed force system, free body diagrams, equilibrium and equations of Equilibrium.

Unit4

Unit 4

Friction: Introduction, Laws of Coulomb Friction, Equilibrium of Bodies involving Dry friction, belt friction, application. Beam: Introduction, shear force and bending moment, Shear force and bending moment diagrams for statically determinate Beams. Trusses: Introduction, Simple truss and solution of simple truss, Method of joints.

Unit5

Unit 5

Centroid and Moment of Inertia : Centroid of plane, curve , area , volume and composite bodies , moment of inertia of plain area, parallel Axes theorem, Perpendicular axes theorems , Simple stress and Strain: Introduction, Normal and shear stresses, stress- strain Diagrams for ductile and brittle material, Elastic constants, One Dimensional Loading of members of varying cross-sections, Strain energy.

Course Outcomes (COs)5 outcomes

After completion of the course student will be able to:

  1. CO1Analyze the stress and strain in beam.K2&K1
  2. CO2Analysis of Mohar circle and principle stress in beam, Identify the failure of the coloumn and its safe limit.K2&K4
  3. CO3Analyze the basic knowledge of forces, motions.K4
  4. CO4Analyze friction and strength of beam.K4&K2
  5. CO5Illustrate the application of parallel axis and perpendicular axis theorem and information of the behaviour of the materials.K5&K2

Official AKTU syllabus

This subject is on page 8, 9 of the original AKTU PDF.

Official AKTU syllabus PDF ↗