“ An Implementation of Technique for Construction Waste recycling and Reuse”

Civil Engineering

Construction industry produces large amount of waste throughout the year. Most of the time construction and demolition waste ends up in landfills disturbing environmental, economical and social life cycle. Construction and demolition waste is the waste materials that are produced in the process of construction, renovation or demolition of residential or non-residential structures Components of construction and demolition waste typically include concrete, asphalt, wood, metals, gypsum wallboard, roofing, paper, plastic, drywall and glass. Concrete is the second most consumed material after water, so recycling of concrete can save construction costs also it will help to keep environment healthy. Concrete collected from sites is put through crushing machine, usually uncontaminated concrete i.e. freefrom wood, plastic, paper and other unwanted materials. Metals such as rebar are removed with the help of magnets and other sorting devices. Process of recycling construction and demolition waste includes storage,sorting, collection, transportation, recycling and disposing. Recycling of Construction and demolition waste has many benefits such as reduction in transportation cost, it keeps environment clean and reduces natural resource exploitation. To promote recycling and reuse of waste, awareness about its effects and benefits should be communicated with people, contractors, engineers and architects. More numbers of recycling plants should be installed and allowing the use of recycled aggregate instead of natural aggregate for some purpose. In this paper we are going to focus on different recycling techniques and reuse of construction and demolition waste.

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