Slurry infiltrated low-quality construction and demolition …
The current study explored the propriety of replacing natural coarse aggregate by low-quality recycled coarse aggregates (RCA) with varying proportions, along with silica fume …
Mechanical properties of concrete containing recycled aggregate …
Construction waste can be crushed after separation of waste materials such as plastics, metals, plaster and wood and used as aggregate in concrete [6], [7]. In addition, due …
Carbonation of concrete with construction and demolition waste …
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 …
Rapid quality control for recycled coarse aggregates (RCA) …
Recycling coarse aggregates from construction and demolition waste is essential for sustainable construction practices. However, the quality of recycled coarse aggregates (RCA) …
Recycled Aggregates Produced from Construction and Demolition Waste …
However, construction and demolition waste is a heterogeneous material with undefined quality and the processing of this waste into recycled aggregates needs to ensure …
Impact of plastic waste fiber and treated construction demolition waste
The process of recycling coarse aggregate from construction and demolition waste involves several stages: acquiring the waste material, transporting it, sorting, crushing, …
Optimizing aggregate grading and residual mortar coefficient in low
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 …
Characteristics of waste concrete powders from multi …
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 …
Total recycling of low-quality urban-fringe construction …
Continual and rapid urbanization that currently occurs in China triggers the large-scale constructions of infrastructures and buildings, which, however, simultaneously produces …
Recycled aggregates New life for construction waste
concrete waste can be efficiently converted into quality recycled aggregates. Soil recycling Contaminated soil from construction must be screened to remove contaminants or other …
Application of the supplementary cementitious material and aggregates
Globally, clay bricks have once been widely adopted as a construction material, especially in China. With technological advancements and urban redevelopment, many of …
Influence of demolition waste fine particles on the …
27 The employment of the coarse fraction of the CDW guarantee high quality aggregates 28 for masonry mortar. 29 30 Keywords: Masonry mortar; fine recycled aggregate; recycled …
Properties and composition of recycled aggregates from construction and
The global market for construction aggregates is expected to increase 5.2% this year, and again next year, up to 48.3 billion tonnes [1].In the United States, the Environmental …
An eco-friendly solution for construction and demolition waste …
Carbonation of recycled coarse aggregate (RCA) is an eco-friendly solution for the recycling of construction and demolition waste. This paper provides a comprehensive …
Enhancing quality and strength of recycled coarse and fine aggregates …
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 …
Application of Aggregates from Construction and …
In response to these environmental concerns, researchers are exploring alternative materials to replace natural aggregates in concrete production.
Construction and demolition waste as recycled aggregate …
But in addition to the advantages derived from lower CO 2 emissions, other environmental benefits associated with the replacement of natural aggregates with recycled …
Production of recycled sand from construction and demolition waste
The major share is in concrete which could be recycled as coarse or fine aggregate [38]. Waste decomposition in New Zealand include wood (38%), plastics (19%), concrete …
Quality control of recycled aggregates (RAs) from construction …
The presence of ceramic waste and cement mortar attached to the aggregate particles gives them a lower resistance to fragmentation (Chini et al., 2001, Hansen and …
Upgrading the Quality of Recycled Aggregates …
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 …
Evaluation of cement-treated recycled concrete aggregates …
Rapid urbanization and population growth have caused a substantial rise in the generation of all kinds of waste globally. The use of recycled waste not only can replace the …
Upcycling of construction and demolition waste: Recovery …
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 …
Recycled Construction and Demolition Waste as Aggregates…
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 …
Recycled Construction and Demolition Waste as Aggregates: …
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 …
Use of recycled aggregates from construction and demolition waste …
The adoption of several crushing stages reduces the average size of the aggregate and generates more fines (particles with diameter D ... The opposite occurred for the low …
Construction Aggregates: A Study
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 …
Mortars produced with recycled aggregates from construction …
Mortars produced with recycled aggregates from construction and demolition waste – Analysis and construction site application. ... RA. This occurs because there is a …
Construction and Demolition Waste
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 …
Design and construction of low traffic volume concrete …
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 …