Chapter 1

Question 1

Main sections

Answer 1

• Universal beams (used as beams)
• Universal columns (used as columns, shallow beams, piles)
• Channels (used as light beams, bracing members, truss members)
• Equal and unequal angles (used for bracing members, truss members, purlins)
• Structural tees (used for truss members, ties, light beams)
• CHS, RHS, SHS (used for building frames, purlins, sheeting rails)
• Steel plates (used for ties, stiffeners, constructing built-up shapes)

Question 2

Common rolled shapes

Answer 2

• I sections (Wide flange shapes, standard shapes)
• Angle members (Equal or unequal)
• Tee bars
• Channel members
• Hollow sections (CHS, RHS, SHS)
• Plates (Classified according to width, length and thickness)
• Miscellaneous (Built-up shapes, built-up shapes from plates and castellated beams)

Question 3

Castellated beam

Answer 3

Depth is increased without increase in mass

Question 4

Where is CHS and SHS used

Answer 4

CHS - Used for lifitng beams, bracings
SHS - Used for truss members, bracing members