STRENGTH OF MATERIALS

CE 241                                                                                               No. of hrs/week =03

                                                                                                No. of credits =03

1. Analysis of Trusses : Analysis of simple trusses by the method of joints and the method of sections.

2.  Bending moment and shear force diagrams : Bending moment and shear force diagrams for statically determinate beams subjected to various types of loads.  Relationship between bending moment, shear force and load intensity.

3.  Simple stresses and strains : Stress, strain, stress-strain diagrams, Hooke's Law, elastic module, Poisson's ratio, relationship among the elastic constants, working stress and factor of safety, bars of varying cross-sections, temperature stress, compound bars, strain energy due to direct and shear stresses.

4.  Stress in Homogeneous beams : (a) Simple bending theory, moment of resistance, section modulus, beams of  uniform strength.

(b) Shear stress variation across beam sections.

5Torsion of circular shafts : Torsion equation, strength and stiffness of solid and hollow shafts, polar modulus of sections, transmission of power.

6.  Combined stresses : Principal stresses for two dimensional stress system.  Mohr's circle of stresses, application to beams and shafts.

7.  Deflection of Beams : Differential equation of the elastic curve, relationship between deflection, slope, bending moment, deflection of statically determinate beams by the double integration method, Mecaulay's method.

8.  Elastic stability of columns : Effective length, slenderness ratio, Euler's formula for different end conditions, Rankine Gordon formula.

REFERENCES :

1.  Ferdinand L.Singer & Andrew Pytal - Strength of materials -Harper & Row Pub. N.Y.

2.  E.J.Hearn - Mechanics of materials - Pergamoon Press.

3.  Ferdinand P.Beer & E.Russel Johnson (Jr.) - Mechanics of  Materials S.I. McGraw Hill.

4. E.P.Popov-Mechanics of materials-Prentice Hall & Ind.Ltd.

5.  Wilber & Norris-Elementary structural analysis-McGraw Hill.

1.       I.H. Shames - Introduction to solid mechanics - Prentice Hall  Inc.

2.      S.P.Timoshenko & D.H.Young - Elements of strength of materials V Edn. - Affiliated East West Press Ltd.