Mind map unit 5.

Mind map unit 5.

1. Meaning:

   • The structures are essential for construction and for supporting machinery .

2. Ways to increase the stability:

   • By widening the base.
     • Locality the center of gravity
       • Foundation the structure
         • Suporting the structure with cables

3. Types of stress:

   • Comprenssion
     • Tension
       • Bending
         • Torsion
           • Shear

4. Important words:

   • Structure
     • Equilibrium
   • Force
     • Stability
   • Stresses
     • Diagonal bars
   • Strength
     • Braces
       • Stays
   • Rigid
     • Plastic
   • Elastic

5. STRUCTURES

   • Types of structures
     • Frame structures
     • Masss structures
     • Truss structures
     • Suspended structures