• To understand fundamentals regarding Mechanics of Solids.
• To develop ability of students to carry out analysis of complex state of stress.
• To familiarize students about the failure modes of materials.
• To enhance skills of utilizing materials of appropriate strength for civil engineering applications.


CLO: 1. to explain concepts of stresses, strains, and related theories and to apply concepts of stresses, strains, and related theories in simple problems of Mechanics of Solids.
CLO: 2. to measure the stresses in structural members of different materials(e.g. steel, concrete etc.) subjected to different loadings.
CLO: 3. to clarify concepts of stresses, strains, and related theories in simple problems of Mechanics of Solids.
CLO: 4. to perform calculations using software (MS Excel, RISA etc) for the stresses in structural members of different materials subjected to different loadings


  1. Stress, Strain and Mechanical Properties of Materials
    • Uniaxial state of stress and strain
    • Relationships between elastic Constants
    • Response of materials under different sets of monotonic loading (including impact)
    • Normal and shearing stress and strains
    • Distribution of direct stresses on uniform and non-uniform members
    • Thermal stresses and strains
    • Difference between stress and pressure
    • Lateral strain, Volumetric Strain, Poisson’s Ratio,
  2. Bending Theory
    • Relationship between load, shear force and bending moment
    • Theory of bending
    • Moment of resistance and section modulus
    • Application of flexural formula,
    • Bending and shearing stress distribution in beams
    • Stresses in composite sections
  3. Spring and strain energy
    • Open coil springs
    • Closed coil Spring
    • Leaf springs
    • Strain Energy due to direct loads, shear force, bending moments, torque and impact loads.
  4. Theory of Torsion
    • Theory of torsion of solids and hollow circular shafts
    • Shearing stress distribution, angle of twist, strength and stiffness of shaft
  5. Stress and Strain Transformations
    • Biaxial state of stresses
    • Resolution of stresses
    • Principal plane, principal stresses and strains
    • Graphical representation of stress and strains, Mohr’s circle of stresses and strains
  6. Theory of Plasticity
    • Plastic limit analysis for ductile materials and
    • Plastic limit analysis for brittle materials
    • Collapse mechanism
  7. Theory of Elasticity
    • Analysis of stresses and strains due to combined effect of axial, bending and twisting forces/moments
    • Stress and deformation relationships
  8. Enhanced Topics Related to Beam Bending and Shear
    • Unsymmetrical bending
    • Analysis of Curved Beam
    • Shear center and shear flow
    • Introduction to circumferential and radial stresses in curved beams,
    • Correction of Circumferential Stress in curved beams having I, T-cross section
  9. Fatigue:
    • Fatigue due to cyclic loading
    • Discontinuities and stress concentration
    • Corrosion fatigue,
    • Low cyclic fatigue
    • ɛ-N relations
  10. Application of Mechanics of Solid in Civil Engineering Applications
    • Energy methods-General area of application and its usefulness.
    • Use of stress strain curve for selection of materials