ESC-213 Strength of Materials
A study of the basic concepts of strength of materials; stress and strain in external loading, shear and torsion; centroids and moments of inertia; shear, moment, and stress in beams; load, shear, and moment diagrams; design and deflection of beams (statically determinate and indeterminate); combined stresses; welded, bolted and riveted joints.
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Course Outline
Department
Science and Technology
Course Description
A study of the basic concepts of strength of materials; stress and strain in external loading, shear and torsion; centroids and moments of inertia; shear, moment, and stress in beams; load, shear, and moment diagrams; design and deflection of beams (statically determinate and indeterminate); combined stresses; welded, bolted and riveted joints.
Credit Hours
3Course Learning Outcomes
- Identify the fundamental modes of deformation: axial, torsional, bending.
- Calculate stresses and strains caused by fundamental modes of deformation.
- Apply methods of stress and strain analysis to solve the reaction forces in a statically indeterminate structure.
Topic Outline
- Introduction, forces and stresses, axial loading, normal stress
- Shearing stress, application to the analysis of simple structures
- Stress on an oblique plane under axial loading, components of stress
- Ultimate and allowable stress, factor of safety
- Normal strain under axial loading, stress-strain diagram
- Hooke's law, modulus of elasticity, elastic vs plastic deformation, fatigue
- Deformations of members under axial loading
- "Tensile testing" experiment
- Statically indeterminate problems
- Problems involving temperature changes
- Poisson's ratio
- Generalized Hooke's law for multi-axial loading, dilatation, bulk modulus
- Shearing strain, shear modulus
- Saint-Venant's principle, stress concentrations
- Plastic deformations
- Stresses and deformations in a circular shaft
- Statically indeterminate shafts
- Stresses and deformations in a symmetric member in pure bending
- Bending of members made of several materials
- Eccentric axial loading in a plane of symmetry
- Unsymmetric bending
- General case of eccentric loading
- Transverse loading of prismatic members, shear on a horizontal plane
- Stresses under combined loadings
- Transformation of plane stress, principal stresses, maximum shearing stress
- Determination of principal stresses and Mohr's circle
- Design of prismatic beams, shear and bending moment diagrams
- Relations among load, shear, and bending moment
- Deformation of a beam under transverse loading
- Equation of the elastic curve
- Statically indeterminate beams