STRENGTH OF MATERIALS BY S.S. RATTAN

CONTENTS

1. Simple Stress and Strain: Stress-Shear Stress-Saint-Venant's Principle-Strain-Modulus of Elasticity and Modulus of Rigidity-Elongation of Bar-Principle of Superposition-Bars of Tapering Section-Elongation due to Self Weight-Column of Uniform Strength-Statically Indeterminate Systems-Temperature Stresses-Shrinking on-Strain Analysis-Tensile test diagram-Factor of safety-Elastic Constants-Relation between Elastic Constants-Three Dimensional Stress System- Objective Questions.

2. Compound Stress and Strain: Stress Analysis-Sum of Direct Stresses on Two Mutually Perpendicular Planes-Principal Stresses-Maximum (Principal) Shear Stresses-Normal Stress on the planes of Maximum Shear Stress-Mohr's Stress Circle-Three Coplanar Stresses-Ellipse of Stress-Strain analysis-Principal Strains-Principal Shear Strains-Sum of Direct Strains on two Mutually Perpendicular Planes-Mohr's Strain Circle-Principal Stresses from Principal Strains-Strain Rosette-Objective Questions.

3. Strain Energy: Strain Energy-Strain Energy (Three Dimensional Stress System)-Shear Strain Energy-Shear Strain Energy(Three Dimensional Stress System)-Strain Energy due to Bending and Torsion-Strain Energy of Bars of Tapering Section-Stresses due to various types of loading-Objective Questions.

4. Shear force and Bending moments: Types of Supports and Beams-Shear force-Bending moment-Relation between Load, Shear force and Bending Moments-Shear force and Bending moment diagrams for Cantilevers-hear force and Bending moment diagrams for Simply Supported Beams-Beams with overhangs-Beams with varying distributed loads-Beams subjected to couples-Beams with hinged joints-Inclined Loading-Loading and Bending Moment Diagrams form Shear force diagram-Objective Questions.

5. Bending Stress in Beams: Theory of simple bending-Moment of inertia-Bemas with Uniform Bending Strength-Flitched or Composite Beams-Reinforced Concrete Beams-Unsymmetrical Bending-Determination of Principal Axes-Ellipse of Inertia-Combined Direct and Bending Stress-Masonary Dams-Retaining Walls-Objective Questions.

6. Shear Stress in Beams: Variation of Shear Stress-Shear Stress variation in different sections-Built up beams-Shear Stress in thin Sections-Shear Centre-Objective Questions.

7. Slope and Deflection: Beam Differential Equation-Slope and Deflection at a point-Double Integration method-Macaulay's Method-Moment-Area Method-Strain Energy due to bending-Castigliano's First theorem-Deflection by Castigliano's theorem-Impact loading on beams-Conjugate beam method-Deflection due to Shear-Maxwell's Reciprocal Deflection Theorem-Betti's theorem of Reciprocal Deflections-Objective Questions.

8. Fixed and Continuous Beams: Effect of fixidity-Moment area method-Macaulay's Method-Clapeyron's Three Moment Theorem-Moment Distribution Method-Method of flexibility coefficients-Objective Questions.

9. Bending of Curved Bars: Bars of small initial curvature-Bars of large initial curvature-Values of p² for various sections-Stress in a circular ring-Stress in a chain link-Deflection of curved bars-Deflection by Strain Energy-Objective Questions.

10. Torsion: Circular shafts-Power transmission-Torsion of tapered shaft-Shafts in series and parallel-Strain energy in torsion-Combined bending and torsion-Thin tubular sections-Thin walled sections-Thin rectangular members-Objective Questions.

11. Springs: Closed coiled Helical Springs-Springs in series and parallel-Concentric springs-Open coiled helical springs-Flat spiral springs-Leaf or laminated springs-Objective Questions.

12. Columns and Struts: Euler's theory-Equivalent length-Limitations of Euler's formula-Rankine's Formula-Other formulae-Struts with eccentric load-Struts with initial curvature-Struts with lateral loading-Tie with lateral loading-Struts of varying cross-section-Objective Questions.

13. Cylinders and Spheres: Thin cylinder-Thin spherical shell-Thin cylinder with spherical ends-Volumetric strain-Wire winding of thin cylinders-Thick cylinders-Compound tubes-Hub on solid shaft-Thick spherical Shells-Objective Questions.

14. Rotating disc and cylinders: Thin rotating ring-Disc of uniform thickness-Long cylinder-Disc of uniform strength-Collapse speed-Objective Questions.

15. Theories of Failure: Main theories of failure-Design of thick cylinder shell-Graphical representations of theories of failure-Objective Questions.

16. Circular Plates: Symmetrically loaded circular plates-Uniformly distributed load on a solid plate-Central point load on solid plate-Load round a circle on a solid plate-Annular ring, load round an inner edge-Objective Questions.

17. Plastic Bending and Torsion: Plastic theory of bending-Moment of resistance at plastic hinge-Symmetrical bending-Unsymmetrical bending-Collapse load-Torsion of circular shafts-Combined direct and bending stress-Objective Questions.

18. Plane Frame Structures: Perfect frames-Reactions at the Supports-Statically Determinate Frames-Assumptions in the Analysis of Frames-Sign Convention-Methods of analysis-Method of joints-Method of Sections-Objective Questions.

19. Properties and Testing of materials: Mechanical properties-Factor of safety-Tensile testing-Compression testing-Torsion testing-Hardness testing-Impact testing-Column testing-Creep testing-Fatigue testing-Objective Questions.