The construction sector is responsible for 39% of energy and process-related carbon dioxide emissions. This high percentage stems from actions on the construction site, transportation, and the manufacturing of building materials. Likewise, we should not forget about another critical factor for air pollution – dust from a construction site.
WhatsApp: +86 18221755073Our results show that China is projected to generate 224.08 billion tonnes (Bt) of CDW from 2000 to 2100, mostly gravel (34.15%), sand (30.08%), and brick/tile (14.37%). …
WhatsApp: +86 18221755073due to the increasing quantity of construction projects in China (Fig. 1), where increasingly prominent environmen-tal pollution problems arise in construction sites. In par-ticular, the construction wastes damage not only the sur-rounding water, air, and soil, but also the normal life of surrounding residents. The use of poor quality of construc-
WhatsApp: +86 18221755073Liquid waste from construction sites can cause significant negative social, economic and environmental impacts. Generally, liquid waste from construction-related trades' activities, such as ...
WhatsApp: +86 18221755073In recent years, large-scale urban construction programmes, particularly the extensive urban renewal activities in big cities, have produced …
WhatsApp: +86 18221755073Statistics show that In Hong Kong, more than 3158 t construction waste was transported to landfills per day in 2007 (HKEPD (Hong Kong Environment Protection Department), 2007), while in Mainland China, nearly 40% of municipal solid waste is construction waste (Wang et al., 2008). The interest of researchers and practitioners on the impact of ...
WhatsApp: +86 18221755073Improving the recycling of construction and demolition (C&D) waste is a primary task for the construction industry to achieve the sustainable development in China.
WhatsApp: +86 18221755073Developing countries are often burdened by substantial construction waste (CW) generated through urbanization and urban renewal activities, highlighting the urgent need for …
WhatsApp: +86 18221755073This research attempted to develop an environmentally-friendly functional building mortar by the combined use of agriculture wastes (agro-wastes) and construction wastes in magnesium oxychloride cement (MOC). The agro-wastes referred to corn stalk (CS) and saw dust (SD), which were used to improve t …
WhatsApp: +86 18221755073Definition of C&DW. C&DW term is defined as the solid waste generated from CRD works, such as land excavation or foundation, civil and building construction, site cleaning, demolition events, roadwork, and building renovation, which are the main causes of C&DW generation [35,36,37,38,39].Tchobanoglous et al. [] stated that demolition wastes are yielded …
WhatsApp: +86 18221755073Many problems still remain in China's construction waste disposal industry chain, for example, the collection, transportation, ... we used an SD-GM model to evaluate the effects of waste reduction policies in China. Our simulations showed that combined policies were more effective than single policies in reducing both waste and carbon emissions ...
WhatsApp: +86 18221755073In recent years, the amount of urban construction waste produced in China has exceeded 2 billion tons, which not only causes environmental pollution but also consumes a …
WhatsApp: +86 18221755073for decreasing construction and demolition wastes, as well as to implement on-site construction waste sorting. 2 C&D Waste Regulations Start Can the material be used by someone else? Give the material to another authorized laboratory or user. Is the material: Intended to be discarded (i.e., the material is "abandoned," "recy-
WhatsApp: +86 18221755073In contrast with the prolific research examining the effects of green building (GB) on property value, energy saving, or indoor air quality, there has been minimal focus on GB's effects on Construction Waste Minimization (CWM), which is also an important aspect of cultivating sustainability in the built environment.
WhatsApp: +86 18221755073Land use transition and its impact on ecosystem service value (ESV) are the foundation for optimizing the layout of territorial space and ecological civilization construction. With the acceleration of industrialization and urbanization, the area of construction land expands in China. To accurately estimate the ESV in industrial counties, the impact of construction land …
WhatsApp: +86 18221755073As the world's largest producer of construction waste, China's recycling and related policies are of the biggest concern to the world. However, the effective disposal and reuse of this waste has become an important issue since currently China still has a very low recycling ratio compared to developed countries, and most of the waste concrete was only simply broken and …
WhatsApp: +86 18221755073In contrast with the prolific research examining the effects of green building (GB) on property value, energy saving, or indoor air quality, there has been minimal focus on GB's effects on Construction Waste Minimization (CWM), which is also an important aspect of cultivating sustainability in the b …
WhatsApp: +86 18221755073Construction and demolition waste (CDW) is one of the largest contributors to global waste streams, simultaneously posing significant environmental and resource management challenges. The management of …
WhatsApp: +86 18221755073Quantity and quality of construction waste generated from any specific project would vary depending on the circumstances and types of materials used in the project. Recycling of construction waste is one way to counter risk to construction wastes. So, the invention of proper technology to recycle these materials is of great importance.
WhatsApp: +86 18221755073The USA and China, both are large economies that are facing challenges in CD waste management. Due to rapid construction business and urbanization growth, of the world's annual estimated CD waste, about 30% comes from the USA (U.S. EPA, 2018a) and for China it is about 30%–40% (Jin et al., 2017b; Yuan et al., 2012).In 2014, the assessed CD waste …
WhatsApp: +86 18221755073Investigating the Effect of Innovative Construction Waste Management Practices on the Performance of Building Projects in Lagos State, Nigeria November 2024 DOI: 10.69798/41611772
WhatsApp: +86 18221755073Construction is a pillar industry that materializes the built environment, boosts economies, and provides jobs (Hillebrandt, 1984).It also has a negative impact on the natural environment, for instance through land depletion and degradation, solid waste generation, dust and gas emissions, and consumption of non-renewable natural resources (Lu et al., 2015b, …
WhatsApp: +86 18221755073Construction 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 …
WhatsApp: +86 18221755073Abstract Construction waste typically accounts for roughly 30% of municipal solid waste and thus poses a great challenge to government authorities in almost all cities around the world, especially those in developing counties. To promote the adoption of circular economy and improve construction waste management performance in China's construction and demolition …
WhatsApp: +86 18221755073Construction Industry (CI) generates the largest number of CDW [8].Management in CI represents a retrograde given the potential impacts that can result from inadequate management and handling [9, 10].Therefore, CI in the world is in the transition from a linear economy to the new paradigm of the circular economy (CE) [8, 11].The implementation of the …
WhatsApp: +86 18221755073Although China currently is putting more and more attention on construction and demoli-tion waste management and investing heavily in corresponding technologies both finan-cially and …
WhatsApp: +86 18221755073At 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 …
WhatsApp: +86 18221755073The results showed that a total of 37.72 million metric tonnes (Mt) of C&D wastes were generated in Beijing, 2019, and ~72% of them were reused and recycled. In space, C&D …
WhatsApp: +86 18221755073The huge generated amounts of construction and demolition (C&D) waste around the world, which amounts up to more than 25% of the total generated waste, has become a serious environmental challenge that needs to be addressed. This analytical review paper sheds light on the different adverse environmental impacts of the presently used conventional …
WhatsApp: +86 18221755073At the same time, the effects of different loose paving thicknesses, cycles of strong vibration on the subgrade performances were assayed. Subsequently, grading analysis of the CDW particles, plate load test and Beckman beam deflection test were performed to evaluate the construction quality. According to the test results, the construction ...
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