Structures

Structures

1. Is to maintain the object's shape and not to break when a force acts on them.

2. 1.Structures

   • Natural structure
     • Are not made by man.
   • Man-made structure
     • Are made by people to satisfy a need.

3. 2.Forces and loads

   • A force is anything that can deform a body or make it move or stop.And a load is a force that acts on a structure.
   • Fixed or permanent loads
     • Are constant-they don't vary.
   • Variable loads
     • Vary over time .