STRUCTURES

STRUCTURES

1. Is a set of elements in a body that are intented to resist the effects of the forces that act on it

2. Prevents a body from breaking or becoming too deformed

3. A force is anything that can deform a body or change its state of rest or movement

   • When you push the book
   • When you press down your rubber

4. Types of structures

   • Artificial structures: Are de human-made
   • Natural structures: are created by nature

5. A load is the force that acts on a structure

   • The force of the wind acts on the trees
   • The weight of the cars acts on the bridge

6. Stresses are the effects that loads cause in a structure

   • In both cases this internal tension is called stress
   • Types of stresses
     • Traction: load tends to strech the structure
     • Compressio: load tends to flatten or compress the structure
     • Bending: load tends to bend the structure
     • Torsion: load tends to twist the structure
     • Shear: load tends to shear the structure

7. Structural conditions

   • Stability:
   • Resistance
   • Rigidity