Pore Structure, Hardened Performance and Sandwich Wallboard Application
Construction and demolition waste residue soil (CDWRS) recycled foamed concretes were prepared by introducing the original CDWRS into modified binders. Pore structure, hardened performance, and sandwich wallboard application were also investigated. The results indicated that 51 kg/m3 of water glass and 7.5 kg/m3 of gypsum could significantly increase …
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Recycling Construction and Demolition Waste in the …
This article presents a comprehensive review of the use of C&D in construction with an emphasis on structural applications and the identification of challenges and opportunities for recycled concrete aggregate (RCA).
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Recycled aggregates from construction and demolition waste …
Although recycling and re-use are good alternatives to waste disposal, in Europe and the USA, for example, only 30% of the total CDW volume is consigned to recycling [13].This rate is even lower in some countries, such as China (5%) [7] and Portugal (9%) [14].In Brazil, a survey carried out in 2011 showed that CDW recycling plants operating at maximum capacity …
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Machine learning in construction and demolition waste …
On-site handling of C&DW greatly maximizes waste recycling potential within construction teams [157]. However, traditional sorting and managing these waste materials involves manual operations that are time-consuming and cost-ineffective. ... Recycled aggregate concrete, as a primary and well-established application for C&DW recycling that has ...
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Sustainable applications of textile waste fiber in the construction …
On the other hand, the field of construction and geotechnical engineering is well-known to consume a tremendous amount of natural resources. Hence, this paper looks closely at the physical, chemical, and toxic properties of numerous natural and synthetic waste fibers to determine their appropriateness as a composite material for construction and geotechnical …
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Application of Recycled Concrete in Construction Based on
The application of recycled concrete in construction projects can make rational use of industrial waste and realize the renewable and ... This method is commonly used in the field of road maintenance in China. ... Experimental study on mechanical properties of construction waste recycled concrete and its application in highway surface. Nanchang ...
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Construction Wastes: Types, Causes, and Recycling Strategies
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. ... A special application of recycled masonry aggregate is to use it as thermal insulating concrete. Another potential application for recycled masonry aggregate is to use ...
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Synergetic valorization of recycled aggregates and waste glass …
Waste concrete constitutes a significant portion of construction demolition (C&D) wastes (nearly 80 %) [1].This waste can result in land encroachment, environmental pollution, and resource wastage if without sustainable management [2].Developing suitable recycling methods for concrete waste represents an effective strategy for promoting green and sustainable …
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Construction waste recycling: Enhancement strategies and …
Construction waste recycling (CWR) is an effective strategy to avoid CW disposal in landfills (Ulubeyli et al., 2017).Also, CWR is a waste management strategy that is preferable and environmentally more advisable than disposing at landfills (Brum et al., 2021).Furthermore, CWR converts CW into new materials for use (Bao and Lu, 2021).Therefore, CWR is considered …
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10 examples of recycled concrete
Concrete has been the rock star of modern architecture: it is strong, versatile, and durable, able to withstand natural and environmental disasters.However, it has a downside: it is highly contaminating, one of the leading causes of CO 2 …
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Construction and Demolition Waste Management Research: A …
VOSViewer has been used in many research studies in the field of construction engineering and project ... avoid misinterpretation in this field area. An example of the application of the system dynamics approach includes management and ... assessment of natural and recycled aggregate concrete. Waste Manag. 2010;30:2255–2264. doi: 10.1016/j ...
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Recycled Concrete: Uses, Advantages and Limitations
Recycled concrete means that you crush or pulverize the demolished concrete structure or structural elements and reuse the crushed concrete for future concrete construction works. Now, this process requires a …
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FIELD APPLICATION AND ADVANTAGE OF CONCRETE …
application of recycled aggregate concrete for structural concrete. PART 1 – EXPERIMENTAL STUDY ON THE QUALITY OF RECYCLED AGGREGATE AND …
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Application of Aggregates from Construction and Demolition
Sagoe-Crentsil et al. reported a 10% increase in the carbonation depth of recycled concrete when recycled aggregate was used, as well as a parabolic relationship between the …
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Sustainable building materials-recycled aggregate and concrete: …
Resource utilization of construction and demolition (C&D) waste has great potential to significantly reduce the consumption of natural resources and improve the environment. Meanwhile, establishing a sound policy system and reducing production are the key ways to solve the problem of C&D waste. Numerous studies on C&D waste, recycled concrete …
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Sustainable concrete production: The potential of utilizing recycled
Due to the low mechanical load capacity and uncertainty derived from RA's parent construction, the primary application field of RA or RAC is non-structural applications. Several studies have examined the utilization of recycled concrete aggregate in various construction applications, as opposed to its use in the production of new concrete.
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Construction & demolition waste in geotechnical applications: A …
C&D waste is usually classified into three categories which are: (1) Difficult to dispose or recycle like: - asbestos, paints, solvents, etc.; (2) Direct recycling is not possible but may recycle elsewhere like - glass, oil, timber, plastic, paper, etc.; (3) Easy to reuse or recycle like: - asphalt, tiles, concrete, brick or stone masonry, soil, etc., as shown in Fig. 1.
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Evaluation of cement-treated recycled concrete aggregates for
The use of recycled waste not only can replace the enormous volume of materials used in construction but also alleviate environmental concerns by lowering landfilling …
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Current Sustainable Trends of Using Waste Materials in Concrete…
Concrete is the most used construction material in the world. Consequently, the mass extraction of materials required for concrete production causes major environmental impacts.
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A review on sustainable use of recycled construction and demolition waste aggregates in pavement base and subbase layers
Sustainable concrete production: The potential of utilizing …
The recycled aggregate processing is a sustainable practice that will add a benefit to the construction industry by conserving the resources, minimizing the waste, and lowering …
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Performance of construction and demolition waste as recycled …
This article presents a structured and comprehensive review of the existing literature on physical, chemical, microstructure, and durability properties of recycled aggregate …
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Carbon Sequestration by Preparing Recycled Cement, Recycled …
As 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 …
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Recycled Materials in Civil Engineering Application
Concrete is one of the essential components of prefabricated buildings. A large amount of waste concrete from prefabricated buildings will be produced during the demolition of construction waste. In this paper, foamed …
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Integrated Benefits of Sustainable Utilization of Construction and
This study presents the first application of the pressure-state-response (PSR) model in the comprehensive assessment of construction and demolition waste (CDW) recycling benefits. Unlike traditional methods, the PSR model provides a multi-dimensional analysis that integrates economic, environmental, and social factors, offering a more holistic approach to …
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Comprehensive review on the use of plastic waste in sustainable
The escalating global plastic waste crisis has prompted a search for sustainable solutions, particularly in the construction industry. Recycling plastic waste to create sustainable construction materials, such as concrete, has emerged as a promising approach. This paper explores the potential of utilizing plastic waste in concrete to mitigate environmental impacts …
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Experimental Research on the Performance of Recycled Waste Concrete
Waste concrete is a large amount of solid waste produced in the process of urban construction and renewal in China. Its resource utilization is of great significance for saving mineral resources and improving urban environmental quality. The present study was designed to investigate the effects of mechanical grinding time on the particle size distribution and activity …
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FIELD APPLICATION AND ADVANTAGE OF CONCRETE RECYCLED IN-SITU RECYCLING
application of recycled aggregate concrete for structural concrete. PART 3- PRODUCTION OF RECYCLED AGGREGATE BY REAL-SCALE PLANT AND QUALITY OF RECYCLED AGGREGATE CONCRETE Authors: K Teranishi, Y Dosho, M Narikawa, M Kikuchi
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(PDF) A review on concrete recycling
Extensive research has been conducted to explore methods such as concrete recycling and the incorporation of other waste construction materials into concrete, thereby investigating their...
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Current Applications of Recycled Aggregates from Construction and
A literature review comprising 163 publications published over a period of 26 years from 1992 to 2018 is presented in this paper. This review discusses the generation and recycling of construction and demolition waste (CDW) as well as its main uses as raw materials for the construction engineering sector. This review pays attention to the use of CDW aggregates for …
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Feasibility of construction demolition waste for unexplored
Vieria and Perreira (2015) and Cardoso et al. [24] reviewed the application of different forms of recycled construction and demolition wastes for geotechnical applications. Most of these studies focused on applying recycled C&D waste aggregates as pavement and filling materials in embankment construction and backfills for reinforced soil structures.
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