structures

structures

1. Conditions

   • Equilibrium
   • Rigidity
   • Stability

2. Types of structures

   • Mass
   • Truss
   • Frame
   • Suspended

3. Types of stress

   • Compresion
   • Tension
   • Bending
   • Torsion
   • Shear

4. Need to be

   • Strong
   • Stable
   • Balanced

5. Centre of gravity (in the "|")

   • |

6. Elements to be rigid

   • Diagonal bars
   • Braces
   • Stays

7. Sections

   • Open sections
     • L-shaped
     • T-shaped
     • U-shaped
     • I-shaped
   • Closed sections
     • Square section
     • Triangular section
     • Circular section