snt2

• Lecture content


  • Knowledge about beams
  • Types of beams based on geometry, supports, and usage
  • Sections used as beams
  • Stresses in beams
  • Plastic hinges
• Types of beams (according to geometry)

  • Straight beams
  • Curved beams
  • Tapered beams
• Types of beams (according to supports)

  • Simply supported beams
  • Cantilever beams
  • Fixed beams
  • Continuous beams
• Types of beams (according to usage)

  • Roof beams
  • Floor beams
  • Girders
  • Joists
• Sections used as beams

  • I-sections
  • Channel sections
  • Rectangular sections
  • Circular sections
• Bending stresses


  Stresses that develop in a beam due to bending loads
• Plastic hinges


  Locations in a beam where plastic deformation occurs, allowing the beam to continue carrying load beyond the elastic limit
• Plastic hinges allow a beam to continue carrying load beyond the elastic limit