Implementation of 4R techniques in Demolition of Waste Management

4R techniques

ReduceReuseRecycleRecovery

Materials of demolition wastesWoodMetalsConcreteRoofingBrick

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

Metals

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

ConcreteIt 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.

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Reuse of wastage Concrete

Concrete is used as pavement in garden

BrickRecycle clean brick by crushing material. Market outlets for recycled brick include aggregate, drainage media, and general fill.

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Roofing'sReuse sheathing, terracotta, slate, or untreated cedar tiles, Metal materials can also be recycled

benefitsSaves energy and reduces the environmental impact of producing new materials.

Creates employment opportunities Saves money

conclusionIn order to reduce the construction wasteWaste material into useful material By recycling easier to redirect our waste

from landfill.

To Recycle

The Choice Is Yours…

To Landfill

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

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