STRUCTURES
BASIC DEFINITIONS
FORCE
An influence that can deform a body
or change its movement.
STRESS
Phisical demands that a body can resist.
STRENGTH
The material´s ability to resist some
external forces.
TYPES OF STRESS
COMPRESSION
Forces acting on a body and they stretch it
TENSION
Caused by forces acting on a body and they
stretch it.
BENDING
Caused by forces acting on a body that make
ir cuve or bend.
TORSION
Caused by actions acting on a body that make
it twist.
SHEAR
Caused by two equal forces applied in other
directions that act to close each other.
CONDITIONS
RIGIDITY
It does not change the shape when a force is
applied to it.
This is an example of the clay, that it doesn´t have rigidity
EQUILIBRIUM
When its structure remains stationary.
There are two types: stable and unestable.
STABILITY
When the body does not move when a force is
applied to it.
This is an example from the equilibrium and the
stability