قائمة طعام
تطبيق كسارة المخروطية، كسارة التأثير، كسارة الفك، آلة صنع الرمل، محطة التكسير المتنقلة ومطحنة الكرات في إنتاج سحق وطحن الحجر.
0183;Above-ground construction wastes (ACW) such as bricks, concrete, and masonry from the demolished buildings, have received considerable attention with regards to their treatment and recycling (Tam and Tam, 2006).However, the underground construction wastes (UCW), which are mainly generated from the excavation of underground spaces, typically have[
سؤال
0183;The increasing concern about the environment has led to the necessity of ensuring efficient Construction and Demolition Waste Management (C&DWM) in the built environment. Despite the extensive research on C&DWM, the industry still faces significant challenges, including inefficiencies, high costs, and environmental impacts. Meanwhile,[سؤال
0183;Construction waste management is crucial to the sustainable development of the construction industry and environmental management, and China has the highest construction waste emission in the world, making it typical and representative globally. In this paper, we conducted an empirical study on the relationship between the change in construction waste[سؤال
0183;Construction 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,[سؤال
0183;Underground infrastructure projects pose significant environmental risks due to resource consumption, ground stability issues, and potential ecological damage. This review explores sustainable practices for mitigating these impacts throughout the lifecycle of underground construction projects, focusing on recycling and reusing excavated tunnel materials. This[سؤال
0183;The current waste management literature lacks a comprehensive LCA of the recycling of construction materials that considers both process and supply chain-related impacts as a whole. Furthermore, an optimization-based decision support framework has not been also addressed in any work, which provides a quantifiable understanding about the potential[سؤال
0183;Construction and demolition waste (CDW) accounts for at least 30% of the total solid waste produced around the world. At around 924 million tons in the European Union in 2016 and 2.36 billion tons in China in 2018, the amount is expected to increase over the next few years. Dumping these wastes in sanitary landfills has always been the traditional approach to waste&سؤال
0183;Harmonizing current practices for the treatment of waste concrete and the by-products generated during their processing, is a first step toward policy and standards development to enable their widespread use. The composition of RP makes it suitable as alternative feedstock for clinker production. Fines from waste concrete typically have a&سؤال
215; w c, where C W is the amount of construction waste, M is the amount of the material purchased, and w c is the material loss rate provided by government authorities. Cochran and Townsend (2010) Israel: Estimating the accumulation of construction waste as projects proceed using data from sub-contractors’ accounting books. Katz and[سؤال
0183;The production and use of traditional building materials contribute to environmental pollution and natural resource depletion. Besides, disposal of agricultural, industrial, and construction waste and other solid wastes is a significant contemporary for both developing and developed countries.[سؤال
0183;Incorporate processes such as mine exploration, industrial design, industry chain construction, and waste treatment into the concept of solid waste full lifecycle management. Analysis of the factors that affect the production of municipal solid waste in China. J. Clean. Prod., 259 (2020), p. 120808. View PDF View article View in Scopusسؤال
]
But at present, the construction waste treatment technology is still in the development stage, how to realize the sustainable utilization of resources is also a challenging problem. Actual situation of construction waste production 184 2047 2044 2041 2038 2035 2031 2029 2026 2023 2020 2014 2011 2008 2002 1999 1996 1993 1990 1987 1984 0
[سؤال
0183;construction waste is affecting the environment and causing social problems in the surrounding communities. According to Begum.R. A (2006), construction waste generated from a construction over 125 million tonnes of returned concrete waste (0.5% of total concrete production) are generated every year and it has become a serious construction[سؤال
0183;Material waste management encompasses collection, transporting, storage, treatment, recovery, and disposal of waste, and is defined as a comprehensive, integrated, and rational system approach[سؤال
0183;The cost of feedstocks is one of the vital challenges with biodiesel production. Recycling construction and demolition waste to produce biodiesel as a raw material or as a co-solvent to improve biodiesel quality and operation conditions, such as carbon dioxide and calcium oxide, would save a significant number of resources, lowering operation[سؤال
0183;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&سؤال
0183;Population growth, consumerism and linear (take-make-dispose) economy models have been piling up waste for decades. The construction industry is also based primarily on linear economy models, but the good news is that most of the waste can be re-used or recycled. So far, numerous models for managing construction and demolition waste in a[سؤال
0183;The Chinese government has been exploring methods to improve construction waste management efficiency (Wang et al., 2021).In 2018, the Chinese Ministry of Housing and Urban-Rural Development (MOHURD) issued the notice for carrying out the pilot work of construction and demolition waste treatment and implemented C&DW pilot treatment works in[سؤال
]
Ten districts and six construction waste treatment plants were considered. We assumed that the construction waste is transported from the site to the nearest treatment plants, and the overall average transportation distance is calculated as 35.29 km . Steel recycling and wood recycling plants are located in Shanghai’s rural areas.
[سؤال0183;In China, the annual generation of building-related construction and demolition waste (brCDW) surpasses 2 billion tons, with a recycling rate below 40%, significantly lower than the European average (Akhtar and Sarmah, 2018; Aslam et al., 2020; Zhang et al., 2022).Unrecycled brCDW is either landfilled or piled up in the outskirts, causing severe issues[سؤال
0183;Construction waste, which is classified under general waste, Adopts a waste hierarchy, promotes cleaner production, waste minimisation, re-use, recycling and waste treatment, with disposal seen as a last resort Table 2: Policies impacting on[سؤال
0183;With the acceleration of China’s urbanization process, construction activities have led to a substantial increase in construction waste. However, as China’s construction waste recycling rate is low, it is difficult to convert construction waste into valuable products for the sustainable development of waste resources. The biggest reason for this is the construction[سؤال
0183;The building and construction market consumes the majority of the total resource consumption of the world. It produces one third of all waste ( Fig. 19.2), which represents a main contributor to CO 2 emission to the atmosphere (Lauritzen 2019).Construction materials by weight account for more than 40 % of the resources used in the United States, near 60 % in Japan,[سؤال
0183;The reduction and management of construction waste is crucial for the sustainable development of the construction industry. This research aims to explore a comparative analysis on decoupling relationship between economic growth and construction waste generation on European Union (EU) and Chi et al., 2020 to 2020 in the construction[سؤال
0183;Owing to its waste intensiveness and consumption of large resources, construction industry has particularly remained a major target for environmental sustainability (Anderson and Thornback, 2012).Evidence shows that the industry consumes up to 50% of mineral resources from nature (Anink et al., 1996) and generates up to 35% of waste to landfill[سؤال
0183;Incorporate processes such as mine exploration, industrial design, industry chain construction, and waste treatment into the concept of solid waste full lifecycle management. Analysis of the factors that affect the production of municipal solid waste in China. J. Clean. Prod., 259 (2020), p. 120808. View PDF View article View in Scopus&سؤال
0183;The circular economy (CE) has become a central focus of waste management and resource efficiency initiatives and practices around the world. Notably, key stakeholders in the built environment (BE[سؤال
176;C) and a pH level between 8 and 9 to effectively solubilize the hydrogel matrix, as documented in previous studies (Felz et al. 2016).According to existing methods, the SEPS yield from AGS typically ranges between 20 % and 35 % of VSS, whereas the yield from WAS is lower,[سؤال
]
An organic fertilizer production line is a system designed to manufacture organic fertilizers using natural and renewable materials, such as animal manure, crop residues, and food waste. The production line involves a series of processes, including fermentation, crushing, mixing, granulation, and drying, to convert the raw materials into high
[سؤال
0183;Wood construction waste circularity presents enormous potential to significantly de-crease total greenhouse gas (GHG) emissions in the European Union (EU). Latvia could become a frontrunner due to its historic relationship with forestry, wood construction practises and unused potential of the innovative application of wood. This research examines what the[سؤال
