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Towards circular economy through industrial symbiosis : a case of recycled concrete aggregates using agent-based simulation

Yu, Y. (2020) Towards circular economy through industrial symbiosis : a case of recycled concrete aggregates using agent-based simulation.

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Abstract:Although Circular Economy (CE) provides promising solutions to deal with Construction and DemolitionWaste (CDW), CE in the construction industry is still in its infancy. Towards the CE implementation, a key enabler from the recycling/reusing perspective is Industrial Symbiosis (IS). This study explores the IS collaboration of Recycled Concrete Aggregates (RCA) in the context of a concrete waste supply chain in the Twente region of the Netherlands. It tackles the CE transition challenge of lack of economic incentives in the construction industry by investigating the Industrial Symbiosis Network (ISN) emerged by replacing Primary Concrete Aggregates (PCA) with RCA. In particular, two simulation models are developed by integrating Enterprise Input-Output (EIO) models, Geographic Information System (GIS) and Agent-Based Simulation (ABS) modelling methods. This pair of models facilitate the CE policy-making by providing evidence of the dynamic evolution trend of the RCA supply chain under different policy scenarios. Based on the model simulation results and local knowledge obtained from interviews, the challenges of implementing IS in the construction industry are pointed out, and CE policy-making suggestions are provided.
Item Type:Essay (Master)
Faculty:ET: Engineering Technology
Programme:Construction Management and Engineering MSc (60337)
Link to this item:https://purl.utwente.nl/essays/80596
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