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Our results show that the CD waste generation and its management are influenced by several factors including population, urbanization, gross domestic product (GDP), and …
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'Solid waste production must peak this century without drastic action, population growth and urbanization will outpace waste reduction', warned by Hoornweg et al. (2013).A stark example of this prediction occurred in Shenzhen, China, on 20 December 2015, where an unstable deposit of construction and demolition (C&D) and other wastes catastrophically …
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Improving the recycling of construction and demolition (C&D) waste is a primary task for the construction industry to achieve the sustainable development in China.
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As urbanization and construction activities in China continue to accelerate, the management of construction waste has become crucial. This study comprehensively investigated the current status and challenges in construction waste management in China. Through the application of building area estimation methodology combined with the Grey Prediction GM …
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The results show that market competition can influence industrial sustainability in three ways, namely (1) positive effects on the economic dimension, (2) negative effects on the environmental ...
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Construction and demolition (C&D) waste is recognized as a critical issue globally (Hao and Ma, 2023). It accounts for more than 30% of total waste and is the largest waste …
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The impact of the ban on domestic Chinese and global waste flows has been analyzed (Huang et al., 2020) using (i) An structural path analysis combined with a multi-regional input–output model to know how the consumption patterns drive plastic waste import to China, (ii) A ecological network analysis to identify dominant controller in the ...
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Under the background of the development of construction waste recycling in China, optimizing the site of construction waste recycling and disposal plant is important, considering not only the cost ...
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In 2022, China Construction Technology Center certified 30 construction projects as the initial "Zero-Waste Construction Site" pilot projects in China. These pilot projects are designed to implement various strategies that reduce CW generation and enhance on-site CW utilization, with the ultimate goal of minimizing reliance on landfills.
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e reduce, reuse, and recycling, reaching a high recycling rate for construction and demolition waste. In 2013, about 1 billion tons of construction waste in China, including dismantling …
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At present, China is still in a stage characterized by the accelerated development of urbanization, and various wastes are produced at different construction stages, starting from site preparation to the completion of the building [].According to statistics, the quantity of construction and demolition waste (CDW) generated in 2020 was up to 3039 million tons [], accounting for …
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worries about waste. Construction and demolition waste (CDW) negatively affect costs, energy, productivity, the environment, and society. Planning and storing buildin g trash may reduce these harmful consequences. On local construction sites, waste, poor site management, and resource loss are common. The way a structure is built, how materials and
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Developing countries are often burdened by substantial construction waste (CW) generated through urbanization and urban renewal activities, highlighting the urgent need for effective CW ...
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Wastes from construction and demolition make up a sizable portion of the waste stream that is dumped in the city's landfills. The majority of the time, construction waste management practices are ...
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Construction waste is another serious problem in construction industry. A large and various types of construction waste with different characteristics are created at all the stages of construction.
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With China's urbanization, the construction industry has generated massive construction and demolition waste (C&DW), leading to severe environmental pollution and social problems. However, the currently proposed policies have not promoted the sustainable development of the C&DW recycling market. This paper constructs a tripartite evolutionary …
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In terms of data availability and quality in China, we have to use the government recognized/reported data and results at one location for an average figure for all the wasted cities in China. ... The land use and environmental effects of a building can reach far beyond its ... and steel bars, dominate construction wastes. Urban construction ...
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Lack of responsibility on waste management by the resident engineer intended to be the most dominant source of material wastes at every construction site.30 Material Wastes in Building Construction Projects 12 The current study presented that improper storage of material at the construction sites was the third highest-ranked cause of ...
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Prefabrication has long been advocated as a green production strategy to alleviate the negative environmental impacts caused by construction. "Prefabrication", as opposed to "cast in-situ" construction, is the practice of assembling components of a structure in a factory or other manufacturing site, and transporting complete assemblies or sub-assemblies to the …
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It is generally agreed that construction and demolition waste (CDW) management practices should be guided by the "3R" – reduce, reuse and recycle – principle (Peng et al., 1997).However, the effectiveness of embracing such practices in China, where CDW accounts for about 30%–40% of the total municipal waste, is still very limited; the recycling and reuse rate …
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The main challenge for applying industrial wastes to land is the presence of contaminants in some wastes and managing these to enhance positive effects and reduce negative outcomes to within ...
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Investigating the Effect of Innovative Construction Waste Management Practices on the Performance of Building Projects in Lagos State, Nigeria November 2024 DOI: 10.69798/41611772
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Such waste has a serious effect on human life. For instance, in China, annual construction waste accounts for about 40% of the total municipal waste (Li, 2007), that is, more than 200 ... energy savings are also obtained from waste reduction and high quality control, saving 4%–14% of the total life-cycle energy consumption. ...
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In recent years, large-scale urban construction programmes, particularly the extensive urban renewal activities in big cities, have produced …
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The amount of C&DWs in recent years soars to a remarkable level of billions of tons as for China alone. These wastes occupy about 30–40 % of the total municipal solid wastes, causing a heavy burden on both social governance and environmental protection. ... and recycled concrete is predominantly low-quality ordinary concrete, recycled fine ...
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The above-presented investigation shows that there are mainly six CSFs contributing to the effectiveness of on-site sorting of construction waste in Shenzhen, China. They are CSF1 Manpower, CSF2 Market for recycled materials, CSF3 Waste sortability, CSF4 Better management, CSF5 Site space, and CSF6 Equipment for sorting of construction waste.
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Construction and demolition waste (CDW) is an important waste composition receiving attention from policymakers and researchers globally due to the negative impacts associated with its management.
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Results reveal that primary barriers of reducing CDW in China include lack of building design standard for reducing CDW, low cost for CDW disposal and inappropriate …
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The generation of construction and demolition waste 1 (CDW) in China has increased dramatically in recent decades due to the rapid urbanization. Yet there is a very limited utilization of this waste, meaning that there is an …
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At present, different countries and regions have different definitions of C&D waste. In most countries, C&D waste is managed differently from the general municipal solid waste (such as domestic waste) or industrial waste (such as electrical waste) (Lu and Yuan, 2011).For example, Kofoworola and Gheewala (2009) defined the waste generated from the …
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