structures

structures

1. types of strctures

   • suspended
     • marquees
   • Truss
     • bars
   • Mass
     • solid
   • Frame
     • columns

2. force

   • deform body

3. stresses

   • physical demands

4. strenght

   • ability to withstand

5. rigidity

   • material
     • rigid
       • table
     • elastic
       • rubber
     • plastic
       • plasticine

6. conditions for strong structures

   • equilibrium
     • unstable
   • stability
     • stable

7. types of stress

   • compression
     • flatten
   • tension
     • forces acting
   • bending
     • curve or bend
   • torsion
     • make it twist
   • shear
     • equal forces

8. qualities of structures

9. strengthening

   • rigid
   • equilibrium
   • stable

10. elements that increase stability

    • stable
      • equilibrium
    • centre of gravity
      • weight

11. elements that increase rigidity

    • trussing
      • triangle
    • brace
      • diagonally
    • stay cables
      • tensile stresses
    • sections
      • beams and columns