Syllabus Strength of Materials - (2403112/2043112/2393112/2473112) Theory Term work Pract / Oral Total Internal Assessment End Sem Exam Exam Duration (in Hrs) Test 1 Test 2 Total 20 20 40 60 2 - - - - 100 Module Detailed Content 1. 1.1 Introduction-Concept of Stress : Deformation in solids- Hooke’s law, stress and strain - tension, compression and shear stresses, Stress Strain Diagram, elastic constants and their relations-volumetric, linear and shear strains. Thermal stress and strain. 1.2 Principal Stresses : Principal stresses and Principal planes- Mohr’s circle. (Chapter - 1) 2. 2.1 Area Moment of Inertia : Area Moment of Inertia about centroidal axes, Parallel Axes theorem, Polar Moment of Inertia. 2.2 Torsion : Torsion equation, Torsion of circular shafts-solid and hollow, stresses in shafts when transmitting power. 2.3 Strain Energy : Strain energy stored in the member due to gradual, sudden and impact loads, Strain energy due to bending and torsion. (Chapter - 2) 3. Shear Force and Bending Moment Diagrams in Beams : Introduction to types of beams, supports and loadings. Definition of bending moment and shear force, relationship between load intensity, bending moment and shear force. Shear force and bending moment diagrams for statically determinate beams subjected to point load, uniformly distributed loads, couple and their combinations. (Chapter - 3) 4. Stresses in Beams and Thin Shells : 4.1 Bending and Shear Stresses in Beams : Theory of bending of beams, bending stress distribution, shear stress distribution for point and distributed loads in simply supported and cantilever beams. 4.2 Thin Shells : Stresses and deformation in Thin Cylindrical and Spherical Shells subjected to internal pressure. (Chapter - 4) 5. Deflection of a beam : Double integration method, Macaulay's method for computation of slopes and deflection in beams for point and distributed loads. (Chapter - 5) 6. Columns : Buckling load, Types of end conditions for column, Euler’s column theory and its limitations and Rankine formula. (Chapter - 6)
