STRUCURES

STRUCURES

1. A STUCTURE IS A COLLECTION OF ELEMENTS ARRANGED IN AN OPTIMUM WAY TO SUPORT A BODY OR AN OBJECT.

2. TYPES OF STRUCTURES: -MASS STRUCTURES -FRAME STRUCTURES -TRUSS STRUCTURES -SUSPENDED STRUCTURES

3. - A FORCE IS AN INFLUENCE THAT CAN DEFORM A BODY OR CHANGE ITS MOVEMENT. -STRESSES ARE THE PHYSICAL DEMANDS THAT A BODY OR MUST WITHSAND. -THE STRENGHT OF MATERIALIS ITS ABILITY TO WITHSAND EXTRNL FORCES WITHOUT BREAKING

   • TYPES OF STRESS: -COMPRESSION -TENSION -BENDING -TORSION -SHEAR

4. IF A STRUCTURE BE STRONG IT MUST BE : -RIGID -IN EQUILIBRIUM -STABLE

5. CLOSED SECTIONS

   • SQUARE SECTION
   • TRIANGULAR SECTION
   • CIRCULAR SECTION

6. OPEN SECTIONS

   • L-SHAPED
   • T-SHAPED
   • U-SHAPED
   • H-SHAPED