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Construction and demolition waste comprises multiple economically valuable materials such as reusable aggregates, bitumen, brick, cardboard, concrete, metals, mineral wool and wood, many of which can be sold directly or used in new products, construction materials or in energy production. In an optimal case this waste is processed near the ...
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Designing a building to support adaptation, disassembly and reuse can reduce waste and extend its useful life, providing economic and environmental benefits for builders, owners, and occupants, and the communities. This practice can also avoid building removal altogether, and allows materials to be easily, cost-effectively and …
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ENERGY STAR Portfolio Manager® is a free, easy to use, online tool for tracking waste, energy and water data over time. Use it to benchmark the performance of one building or a whole portfolio of buildings, all in a secure online environment. Portfolio Manager offers a consistent set of metrics for assessing your waste management activities.
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It shows that after the utilization of CO2 in the recycling process, the performance of recycled construction materials can be improved in many aspects under a proper carbonation reaction. Besides, many studies have proved that the carbonation of C&D waste is a recycling method and effective carbon capture and storage tool to …
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The classification and recycling of construction waste is important for reducing waste emissions, preventing marine pollution, and protecting the natural environment, which can promote carbon trading and carbon sink cycles. Based on the evolutionary game theory, this paper investigated the evolutionary decision-making …
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Construction wastes are possibly generated by various sources which are presented below: 1. Design source 2. Procurement source 3. Handling of materials source 4. Operation source 5. Residual source 6. …
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The rising demand for renewable building materials will accelerate the process of C&D waste recycling, and as a result, the recycling amount of C&D waste will be increased. At the same time, with the increase in subsidies, the profits of the three parties will increase.
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Construction waste management is a practice to recycle and reuse wastes for sustainable management of limited, exhaust resources (Napier, 2016). Recycling is the process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products.
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Waste is generated through various construction activities during the construction process. Such waste can be separated into reusable, recyclable, recoverable materials and residues. ... In particular, a work plan for construction waste recycling based on public-private partnerships was established in November, 2019 (General Office …
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Construction, demolition, and renovation activities generate a significant amount of waste, posing serious environmental risks. The scarcity of recycling facilities makes it difficult to implement the new legislation, which calls for producing recycled aggregates. Moreover, the lack of studies on the environmental feasibility of recycling …
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The steps in construction waste management begin with storage and segregation, collection and transportation, recycling and reuse, and disposal. Companies adopting a waste management plan should ...
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Inert waste make up the bulk of construction, demolition, and excavation waste but other types of materials are also found. Common types of construction waste include: * Concrete, bricks, tiles, cement, and ceramics. * Wood, glass, and plastic. * Insulation and asbestos materials. * Metallic waste (such as pipes). * Soil and stones.
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Construction waste recycling (CWR) is an effective strategy to avoid CW disposal in landfills (Ulubeyli et al., 2017). Also, CWR is a waste management strategy that is preferable and environmentally more advisable than disposing at landfills (Brum et al., 2021). Furthermore, CWR converts CW into new materials for use (Bao and Lu, 2021).
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With the construction aggregate industry placing a larger focus on sustainability and responsible material processing, C&D recycling is becoming more than just a buzzword – it's becoming part of the future. C&D recycling, which stands for construction and demolition recycling, is the process of recovering valuable aggregate …
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Other research reported that waste could be generated by poor coordination and control during the construction process, the incorrect choice of construction methods, and reworking [32,33,34,35,36]. In general, sorting C&D waste onsite is considered to be a time-consuming and labor-intensive activity, which construction …
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Construction waste recycling (CWR) is an effective strategy to avoid CW disposal in landfills (Ulubeyli et al., 2017). Also, CWR is a waste management strategy …
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With the deepening urbanization, urban renewal, and reconstruction movement in China, a large amount of construction waste has been generated. In order to ease the financial pressure on the government to deal with construction waste, introducing the PPP model in the construction waste recycling industry has become popular. …
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Builders, construction teams and design practitioners can divert construction and demolition (C&D) materials from disposal by …
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There are three methods for waste recycling: Site-separated: This uses multiple boxes for each type of waste. Separating construction waste on the job site gives immediate feedback to …
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Despite all of these intricacies, here are some strategies that any team can take into account to improve their construction waste disposal process: 1. Develop a construction waste disposal plan from the start. Construction waste disposal needs to be considered well before materials arrive on site.
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On this basis, we then proposed a whole process supervision framework for the six most important policy measures, to cover the whole process of the generation, transport and recycling of this waste. This approach provides a mode for policymakers to prioritize the most important policy measures to address CDW problem in China through …
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The main objectives are: (1) to develop a quantification tool for construction waste based on BIM to make the building designer aware of the waste that is expected to be generated during the subsequent construction phase; (2) to promote waste prevention alternatives, which is the first principle of the hierarchy of CDW management [23,40]; (3 ...
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To implement recycling, project waste must be recognized as a part of material management and the entire team should be on board regarding material flow. …
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1. Introduction. The building and construction industry utilizes enormous natural resources and produces much waste. Construction and demolition waste (CDW) refers to solid waste generated in the building and construction industries [].Tchobanoglous et al. [] described demolition waste as waste generated from …
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Recycling CRD plastic waste is a process that should be encouraged as old products that have undergone recycling can be reprocessed several times and still retain their properties. Contamination is highlighted in the literature as a big issue since it negatively impacts the mechanical properties of the recycled material, deeming it unfit for ...
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Construction waste is generated in diverse onsite and offsite operations. Improper management of construction waste may create severe environmental issues. The existing methods dealing with construction waste management include waste quantification, framing and usage of strategies such as reduce, reuse, recycle, recovery …
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recycling, recovery and reprocessing of waste materials for use in new products. The basic phases in recycling are the collection of waste materials, their processing or manufacture into new products, and …
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Maximizing the ability to recycle and reuse construction waste will result in a decreased volume of waste going into landfills, hence prolonging the life of landfill sites for future use. ... such as "the efficient and sustainable use of materials" and "the reduction of waste during the construction process" . The Waste Management Act ...
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Construction waste recycling is the process of turning construction and demolition waste into new resources for site formation, eco-blocks, recycled aggregates, or other uses. On-site recycling is becoming an important alternative to the prevailing off-site recycling strategy. Both strategies have their respective strengths and weaknesses.
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What are the Problems with C&D Recycling? C&D recycling has a wide range of benefits and the EPA reports that of the 600 million tons of C&D waste produced, approximately 455 million tons are effectively recycled and 145 million tons are sent to landfill. Whilst this a significantly larger proportion than many other waste streams, it still …
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