An Overview of Existing Application of Recycled Concrete in
2022.9.2 In particular, recycling CD waste is in an urgent need, as this waste stream has consumed a large amount of useful land resources (Li et al. 2020 ). CD waste is
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Innovative technologies for recycling End-of-Life concrete waste
2020.12.1 Commonly, recycling of concrete begins with crushing EoL concrete waste to produce a granular product of given particle size. Current crushing trends include a
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Environmental impacts of three waste concrete recycling
2021.12.15 In addition, due to the recycling of waste concrete, the workload of waste concrete elimination (transportation and landfill) can be reduced. The more waste
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Incorporating coarse and fine recycled aggregates into concrete
2023.11.6 Concrete waste (CW) recycling stands as a promising strategy to promote sustainable construction practices. This research aims to assess the feasibility of using
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(PDF) A review on concrete recycling - ResearchGate
2023.8.14 A recent review article provides an insightful examination of concrete recycling, addressing the environmental challenges associated with the significant
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Recycling fresh concrete waste: A review - Wang - 2018
2018.5.15 In recent years, many studies have claimed that fresh concrete waste from a reclaiming system can be efficiently recycled into concrete. This paper gives a
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Complete re-utilization of waste concretes ... - ScienceDirect
2022.2.1 Concrete Aggregates Cement Recyclability Sustainability Infrastructure 1. Introduction Concrete has been indispensable to the development of societies during the
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Recycling fresh concrete waste: A review Semantic Scholar
2018.12.1 This paper gives a comprehensive review of the characteristics and applicability of fresh concrete waste in phase of slurry wastewater, fresh paste, and
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Total recycling of concrete waste using accelerated
2023.11.1 The current study critically reviews the recent advances in carbonating concrete waste with the vision of total recycling. Three fractions sourced from waste
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Innovative technologies for recycling End-of-Life concrete waste
2020.12.1 Most of the research on recycling EoL concrete waste focuses on coarse aggregates and aims to prove its suitability in a new concrete mix, often overlooking the big picture in developing recycling technologies. Even so, several attempts have been made to recycle EoL concrete wastes into reusable aggregate fractions.
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Recycled cement - ScienceDirect
2018.11.30 Abstract. Cement recycling can reduce the environmental impact caused by the landfills of demolished concrete and the demand of raw materials for producing cement because the waste cement paste in demolished concrete could be used to produce recycled cement. Recycled cement was produced through burning a 2-year-old waste
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Critical Success Factors for Concrete Recycling in
2022.3.7 This study explores the success factors of concrete recycling in construction projects, using Malaysia as a case study. The objectives include (1) identifying the critical success factors for concrete
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Chemical recycling and use of various types of concrete waste
2021.2.15 Chemical recycling techniques for concrete that have been developed in recent years are attracting increasing attention. The theories of techniques for recycling and reusing concrete waste by using chemical methods tend to take advantage of the characteristics of concrete waste. Concrete contains ∼70% aggregates and ∼30%
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(PDF) Recycling Concrete Debris from Construction and Demolition Waste
2015.4.30 Construction and demolition debris (CD) is waste material generated during the construction, refurbishment, or destruction of any structure, including buildings, roads, and bridges. Hardly any ...
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The Efficiency of Recycling Expired Cement Waste in Cement
2022.3.1 Reusing expired cement (EC) in cement manufacturing is an alternative way for managing such industrial waste, so this process contributes to preserving the environment and reducing the need for raw materials which creates an innovative solution in circular economy strategies as well as producing a sustainable material. The purpose of
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7 Places You Can Take Concrete To Be Recycled - Concrete
Concrete is a valuable construction and demolition material, and by recycling your concrete, you’re encouraging less waste and more sustainable construction. Whether it’s your damaged patio, an old retaining wall , or your entire driveway, there are many beneficial reasons you’ll want to consider recycling your concrete instead of ...
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Industrial production of recycled cement: energy
2022.5.26 Despite the growing efforts towards circular economy through the promotion of waste reuse or recycle, concrete waste tends to be used mostly as filling material and, to a lesser extent, as recycled aggregates. This situation is, in large extent, explained by the effect on concrete performance that the mortar on the recycled
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Construction Wastes: Types, Causes, and Recycling
2 天之前 Types of Construction Wastes and Recycling Strategies. 1. Brick. Brick wastes are generated as a result of demolition, and may be contaminated with mortar and plaster. Brick wastes are sometimes blended with other materials like timber and concrete. Currently, bricks are recycled by crushing and using as filling materials.
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Recycling of Waste Concrete - The Constructor
Fig: Process of Waste Concrete Recycling. Quality of recycled aggregate and its concrete: The strength of recycled aggregate concrete is about 10 to 15 percent less as compared to concrete with fresh aggregate. However
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Admixtures for recycling of waste concrete - ScienceDirect
1998.1.1 Acceleration carbonation is a promising advanced technique to transform solid waste with the aid of CO 2 into stabilized value-added material. In this study, the potential of concrete slurry waste (CSW) as a CO 2 sequester and as new supplementary cementitious material (SCM) were examined. The effects of two process parameters,
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An Overview of Concrete Recycling Legislation
2019.4.18 CD Waste and Concrete Recycling Practice among States 268 . In the U.S., CD debris is defined at the state level (Napier, 2012). The disposal of CD 269 .
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Chemical recycling and use of various types of concrete waste
2021.2.15 5.1. Water treatment by waste concrete. Ca 2+ ions that are leached from the concrete waste can react with phosphorus to form calcium hydroxyapatite (HAP) precipitate, as shown in Eq. (4) (Mohara et al., 2009). (4) 10Ca 2+ + 6PO 4 3− + 2OH − → Ca 10 (PO 4) 6 (OH) 2 Waste concrete has been used as a sorbent to remove
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Complete re-utilization of waste concretes ... - ScienceDirect
2022.2.1 Concrete recycling is a well-established industry in many countries, albeit limited to the simple crushing of waste concrete and using only the coarse fraction as aggregate. The fine fractions generally remain undervalued, meaning an obstacle for full re-utilization and commercialisation of waste concrete.
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Reusing Construction Waste for Sustainable Building
2023.8.27 It is well-recognized that construction and demolition waste in huge scale, originating from demolishing old buildings and fabricating new buildings, urgently needs to be disposed of with an effective approach due to their induced environmental and social issues. Thus, eco-recycling concrete waste into recycled aggregate and recycled powder
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Total recycling of concrete waste using accelerated
2023.11.1 More importantly, the application of carbonated products back to the concrete industry could reduce CO2 emissions of concrete manufacturing by over 9 % [ 23 ]. To provide viable total recycling of waste concrete methods, advances in the carbonation of waste concrete over the last five years are reviewed in this paper.
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Recycling fresh concrete waste: A review Semantic Scholar
2018.12.1 Disposal of fresh concrete waste is a worldwide problem. In recent years, many studies have claimed that fresh concrete waste from a reclaiming system can be efficiently recycled into concrete. This paper gives a comprehensive review of the characteristics and applicability of fresh concrete waste in phase of slurry wastewater,
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An Overview of Existing Application of Recycled Concrete in
2022.9.2 Specifically, 80% CD waste are inert components, including concrete, bricks and blocks, which have great potential for recycling (Ding and Xiao 2014). Developing a strong market is an indispensable foundation to increase acceptable level and the use of recycled materials from CD waste, while the recycling market is underdeveloped in
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Recycling of concrete waste to produce ready-mix alkali
2018.4.15 Ready-mix white alkali activated cement (just added water) was synthesized by thermal activation of concrete waste (CW) in one step, in the presence of sodium hydroxide (NaOH). The capability to produce cement powder with glassy structure enhances with the increase of NaOH % and temperature. As proved by x-ray diffraction,
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