implementation of 4r techiques in demolition waste management

2. Implementation of 4R techniques in
Demolition of Waste Management

3. 4R techniques
Reduce
Reuse
Recycle
Recovery

4. Materials of demolition wastes
Wood
Metals
Concrete
Roofing
Brick

5. Wood
Reuse timbers, plywood, flooring. Clean, untreated
wood can be recycled, re-milled into flooring, or
chipped/ground to make engineered board, boiler
fuel.

6. Metals
Common metals include steel, aluminum,
and copper. Metals are melted down and
reformed into metal products.

7. Concrete
It is crushed, the
reinforcement bar is
removed, and the material
is screened for size.
Market outlets for
recycled concrete include
road base, general fill,
pavement aggregate, and
drainage media.
•

8. Reuse of wastage Concrete
Concrete is used as pavement in
garden

9. Brick
Recycle clean brick by crushing material. Market outlets for
recycled brick include aggregate, drainage media, and general fill.
•

10. Roofing's
Reuse sheathing, terracotta, slate, or untreated cedar
tiles, Metal materials can also be recycled

11. benefits
Saves energy and reduces the environmental
impact of producing new materials.
Creates employment opportunities
Saves money

12. conclusion
In order to reduce the construction waste
Waste material into useful material
By recycling easier to redirect our waste from
landfill.

13. To Recycle
The Choice Is Yours…
To Landfill

14. methodology
• PROBLEM ANALYSIS
• MODIFYING TECHNIQUES
• IMPLIMENTATION
• BENEFIT COST RATIO
• LIFE CYCLE COST
• ANALYSIS AND DISCUSSION
• CONCLUSION AND RECOMMANDATIONS

15. Confidence
and Hard –
work is the best
medicine to kill
the disease
called failure.
It will make u a
successful
person