structures

structures

1. strengthening elements

   • strong

2. element that increase stability

   • centre of gravity
   • stable

3. conditions for strong structures

   • rigidity
   • stability
   • equilibrium

4. types of stress

   • shear
   • torsion
   • bending
   • tension
   • compression

5. foerces, stresses and strength

   • force
   • stresses
   • strength

6. types of structures

   • mass structures
     • include walls
     • dams
   • frame structures
     • might be the structures of a building
   • truss structures
     • include cranes
     • electricity pylons
   • suspended structures
     • marquees
     • tents
     • suspension bridges

7. elements that increase rigidity. trusses

   • trussing
   • brace
   • beams
   • stay cables
   • sections