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Paper lc3-2017-151:
Using Optimization to Manage Quarries in the Recycling of Construction and Demolition Waste

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Nadine Alzaghrini, F. Jordan Srour and Issam Srour

Using Optimization to Manage Quarries in the Recycling of Construction and Demolition Waste

Abstract: The construction industry consumes large amounts of aggregates, sand, and stone causing a strain on the limited sources of these natural materials (i.e., quarries). The industry is also a major source of waste. Waste, commonly referred to as Construction and Demolition Waste (C&DW), is generated at various stages of construction and in demolition processes. Increased construction activities and limited landfill space have encouraged efforts to divert C&DW away from landfills to sorting, recycling, and reusing. While these efforts have been successful in some countries (e.g., Germany, Netherlands), developing countries such as Lebanon suffer from illegal and haphazard dumping of C&DW. This paper reports on an ongoing research project which investigates synergies between two elements of the construction industry, C&DW and quarries. The aim is to develop an optimization model that will provide decision support in the selection of a cost and environmentally effective set of abandoned quarries to serve as C&DW landfills, as and processing facilities.

Keywords: Construction and Demolition Waste, Sustainability, Recycling Network, Waste Management, Optimization

DOI: https://doi.org/10.24928/JC3-2017/0151

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