STRUCTURES

STRUCTURES

1. IS A COLLECTION OF ELEMENTS ARRANGED

   • THE STRUCTURE OF AN OBJECT IS THE ORDRELY DISTRIBUTION OF ITS ESSENTIAL PARTS
     • TYPES:
       • MASS
       • FRAME
       • TRUSS
       • SUSPENDED

2. STRESSES

   • ARE THE PHYSICAL DEMANDS THAT A BODY OR OBJECT MUST WITHSTAND WHEN ONE OT MORE FORCES ARE APPLIED TO IT

3. STRONG STRUCTURES

   • RIGIDITY
     • DOESN'T CHANGE THE SHAPE
       • DEFORMABLE
         • CHANGE THE SHAPE
   • EQUILIBRIUM
     • A BODY IS IN EQUILIBRIUM WHEN REMAINS STATIONARY
       • STABLE
         • WHEN IT REMAINS EQULIBRIUM
       • UNSTABLE
   • STABILITY
     • A BODY IS IN STABLE EQUILIBRIUM IF IT DOESN'T MOVE

4. FORCE

   • IS AN INFLUENCE THAT CAN DEFORM A BODY

5. TYPES OF STRESSES

   • COMPRESSION
   • TENSION
   • BENDING
   • TORSION
   • SHEAR

6. STRNGTH

   • IS THE ABILITY TO WHITSTAND EXTERNAL FORCES WITHOUT BREAKING

7. CENTRE OF GRAVITY

   • IS THE POINT WHERE THE WEIGHT OF AN OBJECT IS CONSIDERED TO BE CONCENTRATED

8. ELEMENTS THAT INCREASE RIGIDITY

   • DIAGONAL BARS
   • STAYS
   • BRACES
   • SECTIONS
     • OPEN
     • CLOSED
   • TRUSSING

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