The current study focused on fresh, hardened, and microstructural properties of self-compacting concrete (SCC) made with recycled concrete aggregates (RCA) and granite-cutting waste (GW). Coarse aggregate was partially replaced with RCA at 50 % and 100 % levels, and GW was …
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The study aims to investigate the partial replacement of fine aggregate with waste plastic to enhance the properties of concrete and reduce the reliance on costly fine aggregates in construction projects. By finding a suitable substitution for fine aggregates, the study aims to address the challenges of material shortages and waste management.
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202521· The effective recycling and utilization of construction and demolition (C&D) waste to its maximum capacity to achieve a circular economy model is challenging in the current scenario. This current research emphasizes upcycling C&D waste using an acid dissolution method to separate the binder and aggregate fractions, and their performance was evaluated …
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202071· The replacement rates of natural aggregates with recycled coarse aggregates were 0%, 10%, 15%, and 20%. The test samples were …
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2025318· This research presents a novel approach to enhance the strength and durability of recycled aggregate concrete, RAC through the …
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ABSTRACT The primary objective of this study is to evaluate optimum bitumen content and the characteristic of recycled polyethylene terephthalate (PET) as partial fine aggregate replacement in asphalt mixtures for road pavements by determining the rutting, fatigue and stiffness properties. The percentage of recycled PET replace fine aggregate in asphalt mixture start up 25% and …
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2025618· The impact of these materials on the rheological properties of self-compacting recycled aggregate concrete (SCRAC) like slump flow, J-ring, and V-funnel. The strength and durability of SCRAC with up to 40% mineral admixture replacement with and without H.
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20241130· Recycling solid waste is one of the most important ways to reduce carbon footprints and put sustainability into practice. This research …
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Abstract Waste reduction and decreasing the need for natural aggregate are significant environmental factors that should be taken into consideration. Both can be achieved by incorporating recycled concrete aggregate into fresh concrete mixes. Most previous studies on concrete incorporating recycled concrete aggregates mainly examined recycled coarse …
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Abstract To study the shrinkage and freeze-thaw durability of cement-fly-ash-stabilized brick and concrete reclaimed gravel mixture (CFRBCA), recycled gravel was used to replace 100% of …
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4.3 PET utilization as aggregate replacement The utilization of PET as partial or full aggregate replacement in asphalt mixtures is a promising solution for enhancing the mechanical properties of pavement while reducing the environmental impact of waste PET. Studies have demonstrated that using recycled PET as an alternative to natural aggregates in asphalt mixtures improves …
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2024829· 2.2 Mix proportioning of the sample Four different concrete mixes were created in the lab for this experimental study. The first mix, designated as M0, was made without the replacement of any coarse aggregate. In this investigation, the recycled coarse aggregate was used in various percentages to replace the weight of the regular coarse aggregate using …
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202449· This study, therefore, explores the feasibility of using recycled low-density polyethylene (LDPE) plastic as a partial replacement for fine aggregate in concrete.
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Bibliometrics analysis of concrete containing recycled aggregate for the years 2013–. From the point of view of the construction materials studied, it is …
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202568· This study investigates the feasibility of recycled concrete fine aggregate (RFA) as a green alternative to river sand (RS) as a replacement for structural grade concrete as per …
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20241130· Recycling solid waste is one of the most important ways to reduce carbon footprints and put sustainability into practice. This research aims to bridge the gap between the results of previous studies and the effectiveness and sustainability benefits of using plastic waste (PW) in concrete mixes by partially replacing coarse aggregate with PW. Furthermore, we …
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715· On the other hand, in Italy [174], the limitation occurs only for concrete strength class and type of recycled aggregate: RCA (recycled concrete aggregate) can replace up to 30% of natural coarse aggregate for concrete with strength class up to C30/37.
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202511· Recycled aggregate concrete mainly had three zones: aggregate zone, mortar zone, ITZ zone between the coarse aggregate, the matrix, and residue mortar as another matrix. Much research has been done on using, recycling, and reusing concrete wastes. By replacing natural coarse aggregates, recycled coarse aggregates are to be used for a new concrete …
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202519· The results showed that the CDW recycled aggregates were lighter and had higher water absorption values than the natural limestone sand. Fresh concrete workability improved in the recycled aggregate concrete.
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Abstract Waste reduction and decreasing the need for natural aggregate are significant environmental factors that should be taken into consideration. Both can be achieved by incorporating recycled concrete aggregate into fresh concrete mixes. Most previous studies on concrete incorporating recycled concrete aggregates mainly examined recycled coarse …
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2025618· The impact of these materials on the rheological properties of self-compacting recycled aggregate concrete (SCRAC) like slump flow, J-ring, and V-funnel. The strength and durability of SCRAC with up to 40% mineral admixture replacement with and without H.
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202519· The results showed that the CDW recycled aggregates were lighter and had higher water absorption values than the natural limestone sand. Fresh concrete workability improved in the recycled aggregate concrete.
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202511· It was found that replacement rates up to 3%, 30%, and 50% for recycled power, recycled fine aggregate, and recycled coarse aggregate respectively could be applied in concrete mixture design
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33· Glass and PVC waste materials form a substantial portion of total solid wastes that negatively influence the environment. This study aims to fully replace natural sand with recycled PVC and waste glass aggregates in alkali-activated materials (AAMs).
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2024813· This review focuses on sustainable aggregates produced from solid waste with rheological or mechanical properties suitable for replacing …
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2024510· Investigating combinations of 100% recycled coarse and fine concrete aggregates provides a viable solution for repurposing concrete waste generated from demolition, renovation, and construction activities, diverting it from landfills and promoting a circular economy approach. The recycled aggregate was used as a 100% replacement by volume.
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3 · 1. Can recycled aggregates completely replace natural aggregates in concrete? Complete replacement is generally not recommended for structural concrete due to strength …
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