CLASS : S.E. (Mechanical)
Semester - III
SUBJECT – STRENGTH OF MATERIALS
Periods Per Week
1 Period of 60 Min.
Stress- strain, tensile & compressive stresses, shear stress-Elastic limit, Hooke’s Law
Poission’ Ratio, modulus of elasticity, modulus of rigidity, bulk modulus, yield stress, ultimate stress,
factor of safety, state of simple shear, relation between elastic constants, Volumetric Strain,
Volumetric strain for tri-axial loading, Deformation of tapering members, Deformation due to self
weight, bars of varying sections, composite sections, temperature. stress.
Axial force, shear force and bending moment diagrams for statically determinate beams including
beams with internal hinges for different types of loading, relationship between rates of loading, shear
force & bending moment.
Theory of pure Bending, Assumptions, Flexural formula for straight beams, moment of resistance,
bending stress distribution, Section moduli for different sections, beams for uniform strength, Flitched
beams, Principle axes, Principle moment of inertia