DEMOLITION
WHAT IS
DEMOLITION?????
Demolition means dismantling, razing, destroying
or wrecking any building or structure or any part
by pre-planned and controlled methods.
Demolition is the tearing-down of buildings and other
structures
DEMOLITION METHODS
Demolition methods can vary depending on the
following
The area where it will be held on
Time available
The building material
The purpose of the demolition and
The way that debris is going to be disposed.
Time saving methods are more expensive
than the slower ones.
If noise, dust, and vibrations are to be
restricted, it will add to the cost of
demolition.
MANUAL METHOD
Manual methods are carried out top down,
proceeding, in general, from the roof to
ground.
The sequence of demolition may vary,
depending on
1. site conditions and
2. structural elements to be demolished.
DEMOLITION BY
MACHINES
DEMOLITION BY
MACHINES
DEMOLITION BY HYDRAULIC RUSHERS
Hydraulic
shears
Pulverizers
Grapple
DEMOLITION BY
WRECKING BALL
DEMOLITION BY
EXPLOSIVES
Columns are fully loaded with
explosives
Primary charge
Blasting machines
Traditional
rack-bar
and
Modern
electronic
control box
The Scudder Homes in Newark,
N.J., blasted in 1996
ADVANCED TECHNIQUES USING
ROBOTIC MACHINES
ADVANCED TECHNIQUES USING
ROBOTIC MACHINES
THANKS