Development in infrastructure has a dark side in the generation of an enormous amount of construction and demolition waste due to the construction, renovation, or demolition of a structure. This article discusses the status of C&D waste, sustainable methods to reduce environmental impacts, challenges, and current …
اقرأ أكثرThe construction sector is the major resource-consuming and waste-producing sector in our modern society, using – on average – more than 40% of the total raw materials extracted from the earth around the world (Krausmann et al., 2017), and at the same time generating more than one third of the world's solid waste by weight (up to …
اقرأ أكثرActivities such as joint work between designers and builders to reduce the amount of materials used in construction, the reuse of CDW according to its physical and mechanical properties, and an increase in the recycling rate of these materials are essential to reduce their negative impact on the environment, especially in emerging ...
اقرأ أكثرThe 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 …
اقرأ أكثرConstruction and demolition (C&D) activities generate huge quan-tities of waste, which has substantial impacts on environment, such as sedimentation, soil erosion, and increasing greenhouse gas emissions (Begum et al., 2007; Esa et al., 2017b). By definition, demolition waste is the waste arising from razed structures, while
اقرأ أكثرThere is an increasing global recognition of the need for environmental sustainability in mitigating the adverse impacts of cement production. Despite the implementation of various carbon dioxide (CO2) mitigation strategies in the cement industry, such as waste heat recovery, the use of alternative raw materials and alternative fuels, …
اقرأ أكثرIn the past few years, several mitigation strategies have been implemented to reduce the negative impact of the construction industry on climate change, in …
اقرأ أكثرThe generation of construction and demolition (C&D) waste is increasing, while management of it is a major issue which has detrimental effects on environment, economy and society. On the other side, there is increase in demand for construction materials which leads to depletion of natural resources. This highlights the need for …
اقرأ أكثرAbstract. It is certain that worldwide, construction and demolition (C&D) waste with its massive quantity and its adverse effect on the environment is a real threat to mankind. It is associated with high risk of environmental pollution and resource depletion. Reusing the C&D waste from construction is the best end of life alternative based on ...
اقرأ أكثرRecent years have witnessed a significant amount of construction and demolition(C&D) waste as a result of rapid urbanization and large scale of construction activities in China. It is estimated that the volume of C&D waste generated from new construction projects and old building demolition is approximately 0.4–1.7 billion tons …
اقرأ أكثرConstruction and demolition activities generate huge quantities of waste with substantial impacts on environment. This mini-review article covers the literatures relating to construction and ...
اقرأ أكثرThe design, construction, operation, maintenance, and ultimately the removal of buildings consume large amounts of energy, water, and building materials, and generate large quantities of waste ...
اقرأ أكثرThe main certifications found in the articles were another point studied, as the certifications can serve as tools to achieve environmental sustainability in civil construction, improve the performance of construction projects, as they reduce the negative impacts on the environment, ensuring standardization among construction products.
اقرأ أكثرThe 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 …
اقرأ أكثرDesigning 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 rapidly taken ...
اقرأ أكثرThe construction industry substantially impacts a country's economic growth and ecological progress. Due to the competitive nature of the construction business and intense rivalry between construction companies, the industry's focus is progressively becoming customer-centric. Efforts are being taken to ensure high-quality buildings are …
اقرأ أكثرThis can help reduce the need for demolition and disposal of materials and reduce the environmental impact associated with new construction. Improving the ends of the cycle and emphasizing the stage of use can contribute significantly to the reduction of CDW generation and the implementation of circular economy principles in the …
اقرأ أكثرConstruction and demolition sector is crucial to lead the material circularity in the EU • The environmental impacts and costs of 12 CDW material fractions are assessed • The best environmental performances are achieved by the most expensive pathways • The maximum potential for recycling would reduce EU emissions of 33 Mt …
اقرأ أكثر1. Introduction. The construction industry has a strong influence on the three aspects of sustainability: environmental, economic and social. It is a major provider of employment opportunities and a large contributor to gross domestic product (GDP) (Smol et al., 2015).In 2016, the construction sector accounted for 6.2% of world GDP, 6.3% in …
اقرأ أكثرWith the increase in global population, industrialization, and urbanization, waste from construction, renovation, and demolition (CRD) activities has grown rapidly. There are some issues associated with the disposal of CRD waste in landfills. Depositing in landfills is still the main method for CRD waste disposal from the global perspective. The …
اقرأ أكثرRam et al. reported that the estimated amount of C&DW produced in India is between 150 and 716 million tonnes/year.Recycling C&DW is the potential solution aiming sustainability and is hence opted worldwide. As far as the awareness among Indian contractors and other potential stakeholders is concerned, a survey carried out related to …
اقرأ أكثرMarch 19, 2023 by admin. Demolition is a necessary part of urban development and construction, but it also has significant environmental impacts. The demolition industry …
اقرأ أكثرWhen mismanaged, construction and demolition waste (CDW) negatively impacts the environment [].Generally, CDW materials contain chemicals that could contribute to water, land, and air pollution, increasing emissions and affecting human life [].Furthermore, materials like gypsum drywall when biodegraded could produce …
اقرأ أكثرWith the rapid growth of the construction industry and urbanization, the construction and demolition waste (CDW) has constituted the most major solid waste flow in the world. The unsustainable management of CDW causes serious societal and environmental issues, as well as leads to resource waste, which directly and indirectly …
اقرأ أكثرConstruction and demolition waste (C&DW) comprises the largest waste stream in the EU, with relatively stable amounts produced over time and high recovery rates. Although this may suggest that the construction sector is highly circular, scrutiny of waste management practices reveals that C&DW recovery is largely based on backfilling …
اقرأ أكثرMinimize the carbon impact of construction processes and activities, including: Sourcing local materials to reduce transportation emissions. Maximizing the efficient planning of machinery across projects and portfolios. Sourcing plant and equipment that operates on carbon-neutral biofuels or renewable energy.
اقرأ أكثرConstruction and demolition waste consists of residue and discarded materials that result from construction, renovation, remodelling, and demolition activities. This waste typically includes various materials, such as concrete, wood, steel, bricks, drywall, asphalt, glass, plastics, and other construction-related materials. This research …
اقرأ أكثرBen Griffiths, SHE and Operations Director, Rye Group, states that the demolition industry has a responsibility to reduce its environmental impact and contribute to a greener world. Every industry now faces a moral imperative to reduce its environmental impacts as much as possible. On the eve of COP26, the UK's chief …
اقرأ أكثر1. Introduction. This paper aims to bring attention to the carbon footprint in the construction industry (building, maintaining, and deconstructing the structures), since the construction industry is listed as the single largest global consumer of resources [1,2].In the European Union, building construction consumes 40% of materials and 40% of …
اقرأ أكثرYou can help divert C&D materials from disposal by practicing source reduction, salvaging, recycling and reusing existing materials, and buying used and recycled materials and products. The following sections provide more information about: 1. How you can practice source … See more
اقرأ أكثر