Abstract
Global warming attracts increasing public attention. However, in the past few decades, the contribution of construction to greenhouse gas emissions is around 40% of total emissions. The promotion of construction waste remanufacturing faces challenges. The application of digital twins in the remanufacturing of construction waste contributes to the tracking, recycling and management of construction waste. This article reviews the current research on construction waste remanufacturing and the application of Digital Twin in construction and remanufacturing, aiming at finding the current challenge of construction waste remanufacturing and the opportunity of Digital Twin to solve it. Then, the Digital Twin platform concept for construction waste remanufacturing is provided as a solution for the current challenges. Theoretically, this paper points out the shortcomings of the current research in construction waste remanufacturing based on literature review. Meanwhile, this article proposes the application of Digital Twin in construction waste remanufacturing, which expands the research scope of circular economy in construction. In fact, this research has driven the Digital Twin application in more industries. Besides, this research proposes a concept of potential solutions for the current challenges of construction waste in circular economy.
Highlights
Since the issue of global warming has drawn increasing public attention, in 1960s, the concept of circular economy was proposed [1]
This paper points out the shortcomings of the current research in construction waste remanufacturing based on literature review
Discussion on Digital Twin in construction waste remanufacturing According to the challenge of current remanufacturing for construction waste and the shortcoming of current researches, it is believed that Proposition 4 A concept based on Digital Twin, including data integration technology, information communication between departments and decision support model, contributes to the remanufacturing of construction waste
Summary
Since the issue of global warming has drawn increasing public attention, in 1960s, the concept of circular economy was proposed [1]. Digital Twin, academically, are digital copies of potential and actual physical assets (physical twins), processes, people, places, systems and equipment that can be used for various purposes [3] It is applied for urban data capture and modelling in smart cities [4] and equipment detection and patient health record tracking and analysis in the medical industry [5]. Digital Twin combines the Internet of Things, artificial intelligence, machine learning, and software analysis with spatial network diagrams [6] to create real-time digital simulation models. These models are updated and changed with changes in the physical copy.
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