Over the years, construction waste has risen, causing environmental concerns as well as a loss of profit for contractors. This chapter covers the concepts, causes of waste generation, characteristics, waste management methods, waste minimization, disposal, rules, and worker's efficiency in relation to construction and demolition waste.
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The "Construction Industry of India" has been growing rapidly at an annual growth rate of about 10% over the past decade. The vast amount of waste generated during the construction and maintenance activities, along with that produced during the demolition and renovation of structures, bridges, roadways, etc., is classified as "Construction and Demolition …
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PDF | On Jan 1, 2021, published Study on Engineering Characteristics and Application of Coarse-Grained Construction Waste Subgrade Material | Find, read and cite all the research you need ...
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India generates 120–150 million tonnes of construction and demolition waste (CDW) every year and this make-up 25% of the landfill waste. Considering the availability of the waste, laboratory studies are performed to understand the functions of the construction waste as a column member installed in a permeability mould with expansive soil under soft (0.4) and …
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Construction waste (CW) and demolition waste (DW) are different classes of waste. Harmful substances in CW & DW negatively affect the environment & human health. …
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A recent study demonstrated that modular construction yields a higher on-site construction waste generation index (9–63.9 kg per m 2 construction floor area) than panelized and traditional in-situ construction and gives a nearly 100 % reuse and recycling rate for metal and timber waste (Zhang & Pan, 2022).
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Keywords: freight characteristics; construction waste hauling trucks; carbon emission; big data. 1. Introduction. By transporting goods, freights play a crucial role in a nation's economy.
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Through source separation, material reuse, on-site processing, and partnerships with recycling facilities, construction waste can be effectively managed, leading to a more sustainable construction industry.
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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 …
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The recycling of construction waste composite powder materials (CWCPM) conserves resources and protects the environment. To study the effect of CWCPM as a supplementary cementitious material (SCM) on concrete performance, the mechanical properties, permeability and pore structure characteristics of concrete with CWCPM were investigated at …
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construction waste has become an important challenge facing the current society. 2.2 Characteristics of construction waste . Large quantity: With the acceleration of urbanization and the prosperity of the construction industry, the production of construction waste increases year by year. At all stages of the
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Construction and demolition waste is waste generated during the execution of works and renovations in the construction sector. This waste can be classified into different categories …
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This study employed triaxial compression tests to investigate the deformation characteristics and damage evolution of construction and demolition waste (C&D) stabilized with alkali-activated fly ash (FA). Furthermore, the study explored the mechanisms of microcracks initiation, propagation, and the stress-strain behavior of stabilized C&D under varying stress …
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C&D waste encompasses a broad spectrum of materials generated from activities like building, renovating, demolishing structures, maintaining roads and railways, and excavating land. This waste includes excavated materials such as rock and soil, as well as asphalt, bricks, concrete, plasterboard, timber, and vegetation.
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The 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 more than 75% …
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A construction and demolition (C&D) waste recycling plant is a facility designed to process materials from construction, renovation, and demolition activities to recover reusable and recyclable materials, minimizing …
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PSD characteristics of the recycled aggregates at different spatial positions. ... Impact of construction waste disposal charging scheme on work practices at construction sites in Hong Kong. Waste Manag., 33 (1) (2013), pp. 138-146, 10.1016/j.wasman.2012.09.023.
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Promoting awareness and disseminating knowledge on the economic impact of waste by recycling or reuse [28,60] and providing designated landfill site for construction waste [56] are paramount and ...
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Construction and demolition waste treatment has become an increasingly pressing economic, social, and environmental concern across the world. ... Kawasaki M., Kawamoto K. Current management condition and waste composition characteristics of construction and demolition waste landfills in Hanoi of Vietnam. Sustainability. 2021;13:10148. doi: 10. ...
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Important topics are the definition of this material as well as its composition: concrete, bricks, metals, glass, asphalt, wood, etc. Management of construction and demolition …
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In order to explore the removal method of ammonia nitrogen in water and solve the disposal problem of construction waste.After the construction waste is crushed,the particles with different sizes ...
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The creep deformation characteristics of recycled construction and demolition waste (CDW) filler are important factors affecting its road performance. In this paper, a series of laboratory tests are carried out on CDW filler, including gradation test, compaction test, California bearing ratio (CBR) test, and creep test, and the road performance of different ratios of …
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Construction waste management involves the planning and tracking of the materials and debris that flow in and out of a project site. Its goals are to reduce the impact on landfills and develop markets for materials reuse and recycling. Most projects manage their waste by creating and following a waste management plan, which must meet both state ...
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This study collected basic information and conducted waste composition surveys to identify the present management condition of construction and demolition waste (CDW) landfills in Hanoi of Vietnam and to characterize waste composition and grain size distribution of CDW dumped at landfills. Basic information on seven CDW landfills under operation or …
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DOI: 10.1016/J.CJCHE.2015.06.009 Corpus ID: 92697157; Adsorption characteristics of construction waste for heavy metals from urban stormwater runoff @article{Wang2015AdsorptionCO, title={Adsorption characteristics of construction waste for heavy metals from urban stormwater runoff}, author={Jianlong Wang and Pingping Zhang and …
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Construction and demolition waste characteristics vary based upon nature of waste, strength attributes of original elements, age of the destroyed structure, etc. Hence each sample of processed C&D waste should be examined to identify its physical and engineering strength attributes before employing it in any road project.
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Compaction characteristics of industrial waste aggregates when used as a filling material in construction ... [1–4]. The recycling and reuse of construction solid waste resources, in particular, has necessitated the use of wear-resistant components in crushing equipment [5–7]. Traditional single-metal wear-resistant components do not meet ...
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Based on this analysis, we determined the most suitable method for laboratory testing. Utilizing the selected method and through data analysis and experimental observations, we further explore the mechanical properties and particle breakage characteristics of construction waste under varying gradations and brick contents when used as roadbed fill.
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Construction waste consists of dregs, waste soil, waste material, general waste, and wastes from construction and repairing of buildings and structures, and pipe network construction, laying and removal [13]. Construction waste is hard and resistant to wear, frost, and water.
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Stormwater runoff has become an important source of surface water pollution. Bioretention, a low impact development measure in urban stormwater management, has been proven to be effective in the removal of pollutants from stormwater runoff, with appropriate bioretention media.In this study, construction wastes were selected as bioretention media to …
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