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The quality of recycled aggregates from construction and demolition waste (CDW) is strictly related to the content of porous and low strength phases, and specifically to the patches of …
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In most countries, the largest part of the C&DW recycled products are recycled aggregates [3] arising from the stony fraction. Some EU countries have achieved high …
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Mixed recycled aggregates (MRA) from construction and demolition waste (CDW) with high-purity and environmental performance are required for highway construction application in base layer and precast …
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The physical properties such as specific gravity, water absorption and sieve analysis of construction demolition waste-Recycled aggregates and natural aggregates are …
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Low quality of the final product, owing to lack of knowledge and/or interest of CDW recycling plant owners. Distance between construction and demolition sites and recycling …
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Interest in the effect of recycled aggregates on CO 2 diffusion has been growing in the research community over the last 10 years, since in pursuit of a circular economy, the …
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The amount of construction and demolition (C&D) waste has increased considerably over the last few years. The high cost of landfill, the scarcity of natural resources coupled with the …
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In response to these environmental concerns, researchers are exploring alternative materials to replace natural aggregates in concrete production.
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Therefore, the construction of asphalt pavement consumes great amounts of natural rocks. Many strategies have been proposed in order to reduce the supply pressure of high-quality natural …
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As the quantity of the fine recycled aggregate increases, then the density of the concrete mix decreases. This may be attributed to the low density of fine recycled aggregate …
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This paper presents design of low traffic volume concrete roads using C&D aggregates as recycled aggregates (RA) in base/sub-base layer and recycled concrete …
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The quantity of construction waste rose quickly in many countries as the destruction and alteration of older structures increased [1,2,3,4,5,6,7,8,9]. China produced more than 2.3 …
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concrete waste can be efficiently converted into quality recycled aggregates. Soil recycling Contaminated soil from construction must be screened to remove contaminants or other …
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The process of recycling coarse aggregate from construction and demolition waste involves several stages: acquiring the waste material, transporting it, sorting, crushing, …
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This study presents the possibility of recovering binder and fine aggregate portions by means of acid dissolution from secondary C&D waste and offers a sustainable solution for the utilization …
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Research into the properties of recycled aggregates (RAs) has been the focus for over 40 years [4], but due to undesirable results, such as high-water absorption and poor …
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Replace low-quality construction due to corrupt practices, 8. ... in wooden railway sleepers, thermal decomposition of the sleepers or alternate usage in a limited frame shall be …
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The composition of CDW aggregate depends on the type of construction demolition waste used to prepare this type of aggregate. A typical CDW aggregate prepared …
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Mortars produced with recycled aggregates from construction and demolition waste – Analysis and construction site application. ... RA. This occurs because there is a …
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While most high quality aggregate in C&D waste are being recycled in multiple ways at present, the fine materials with particle size below 5 mm, which are estimated to …
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Rapid urbanization and increased infrastructural growth had led to a rise in the requirement of natural aggregates and other resources. On the other hand, a rise in the …
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Over the past decade or so, there has been growing interest in multi-recycling of concrete in order to achieve true sustainable development. The concept of repeated recycling …
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However, construction and demolition waste is a heterogeneous material with undefined quality and the processing of this waste into recycled aggregates needs to ensure …
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RCA is engendered from the construction and demolition waste (CDW). The use of RCA in concrete has revealed to be a sustainable and economical alternative to natural …
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Natural resources like sand and rock, essential for concrete production, face the risk of depletion. In addition, the continuous exploitation and widespread use of natural …
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Innovative eco-efficient concrete was developed and characterized, to reduce the environmental impact related to construction and demolition waste, extraction of natural …
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This paper concerns the recovery of construction and demolition waste as coarse recycled aggregates for concrete. Coarse recycled aggregates may be used as a partial or total …
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Carbonation of recycled coarse aggregate (RCA) is an eco-friendly solution for the recycling of construction and demolition waste. This paper provides a comprehensive …
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Recycling coarse aggregates from construction and demolition waste is essential for sustainable construction practices. However, the quality of recycled coarse aggregates (RCA) …
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Continual and rapid urbanization that currently occurs in China triggers the large-scale constructions of infrastructures and buildings, which, however, simultaneously produces …
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