Contents -- Preface -- 1. Introduction -- 1.1. Subject of the course -- 1.2. Internal forces. Method of sections -- 1.3. Stress -- 1.4. Displacement, strain -- 1.5. General assumptions -- 2. Tension and compression -- 2.1. Axially loaded structural members -- 2.2. Stresses in an axially loaded member -- 2.3. Strength -- 2.4. Strain and elongation -- 2.5. Deflections -- 2.6. Stiffness -- 2.7. Elastic strain energy -- 2.8. Structures composed of axially loaded straight rods -- 2.9. Peculiarities of statically indeterminate structures -- 2.10. Influence of the vertical rod weight -- 3. Mechanical properties of structural materials -- 4. Geometrical properties of cross sections -- 5. Shearing. Torsion -- 5.1. Shearing stresses in connections -- 5.2. Bearing stresses in connections -- 5.3. Stresses in circular members under torsion -- 5.4. Angle of circular member twist -- 5.5. Solid noncircular members in torsion -- 6. Bending of beams -- 6.1. Reactions, shearing forces and bending moments in beams -- 6.2. Differential relationships between load, shearing force and bending moment functions -- 6.3. Diagrams of shearing force and bending moment -- 6.4. Pure bending in beams. Normal stresses -- 6.5. Shearing stresses in beams -- 6.6. Rational shapes of beams -- 6.7. Special cases of beam strength investigation -- 7. Deflection of beam -- 7.1. Strain. Curvature -- 7.2. Displacement -- 7.3. Techniques for determining beam displacements -- 7.4. The moment-area technique -- 7.5. Stiffness requirements -- 8. Stability of columns. Buckling -- 8.1. Stability of equilibrium -- 8.2. The Euler's formula -- 8.3. Design of columns -- 9. States of stress and strain -- 9.1. State of stress. Principal stresses -- 9.2. Plane stress -- 9.3. State of strain -- 9.4. Generalized Hooke's law -- 9.5. Dilatation (volumetric strain).

9.6. Relation among the constants of an elastic material E, G, and ν -- 9.7. Theories (hypotheses) of failure -- 10. Compound stresses -- 10.1. Stresses at any point -- 10.2. Position of a neutral axis -- 10.3. Strength requirements for a straight rod -- 10.4. Kern of a cross section -- 10.5. Strength requirements for initially-curved beams -- 10.6. Thin-walled pressure vessels -- 11. Statically indeterminate beams. Force method -- 11.1. Static indeterminacy of structures -- 11.2. Force method -- 12. Influence of dynamic loadings -- 12.1. Peculiarities of dynamic loading -- 12.2. D'Alambert's principle -- 12.3. Principle of energy conservation. Impact loading -- 13. Influence of plastic deformation -- 13.1. Ductile materials -- 13.2. Structures under tension or compression -- 13.3. Structures under torsion -- 13.4. Structures under bending -- 13.5. Permanent strains and residual stresses -- 14. Local effects -- 14.1. Stress concentration -- 14.2. Cracks and fracture -- 14.3. Contact stresses -- 15. Variable stresses. Fatigue -- 15.1. Fatigue -- 15.2. Endurance -- Appendix. Examples of problem solution -- A1. Design of a frame -- A2. A statically indeterminate beam -- Lithuanian-English vocabulary. Mechanics of materials -- Index.