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Recycling of waste expanded polystyrene concrete in lightweight

Abstract. The recycling of waste expanded polystyrene (EPS) concrete in the lightweight construction sector is not yet explored. The complexity of recycling resides from concrete crushing that creates two distinct, yet inseparable phases including the hardened mortar fraction and recycled EPS beads. This study investigates the feasibility of ...

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Recycling of concrete

Recycling of waste concrete as an aggregate for new concrete components has the potential to help mitigate both these impacts and contribute to more sustainable construction. …

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Recent Trends in Recycling of Concrete Waste and Use of …

Title: Recent Trends in Recycling of Concrete Waste and Use of Recycled Aggregate Concrete in Japan Author(s): Y. Kasai Publication: Symposium Paper Volume: 219 Issue: Appears on pages(s): 11-34 Keywords: concrete waste; construction waste; Japan; recycled aggregate; recycled concrete DOI: 10.14359/13136 Date: 3/1/2004 Abstract: This …

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A Comprehensive Review on Recycling of Construction …

Abstract: There have been efforts to use building demolition waste as an alternative aggregate in concrete to decrease the use of natural resources for construction. The World Green Building Council estimates that the construction industry is responsible for more than 50% of all material extracted globally and that construction and demolition ...

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(PDF) A review on concrete recycling

Research by (Zadeh et al., 2023) suggests that recycled concrete can be used for reinforcing concrete structures, promoting 1 sustainability, and addressing environmental concerns. This...

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Admixtures for recycling of waste concrete

The same-day stabilization of returned fresh concrete allows concrete producers to stabilize the concrete either immediately upon return to the plant, so that new concrete may be batched Admixtures for recycling waste concrete 225 on top of stabilized concrete and immediately used, or to stabilize returned fresh concrete for a short period ...

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Environmental impacts of three waste concrete recycling …

Most concrete consists of cement, sand, and natural coarse aggregate (NA) (Fig. 1a), which refers to as natural aggregate concrete (NAC). Using local recycled materials to reduce the consumption of these ingredients has been proven to be a reliable way to lower the environmental impact of concrete construction and save substantially on transportation costs …

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Supercritical CO2 Curing of Resource-Recycling Secondary Cement

This study aims to develop highly durable, mineral carbonation-based, resource-recycling, secondary cement products based on supercritical carbon dioxide (CO 2) curing as part of carbon capture utilization technology that permanently fixes captured CO 2.To investigate the basic characteristics of secondary cement products containing concrete sludge waste (CSW) …

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(PDF) Reuse of Construction and Demolished Concrete

Abstract : Concrete structures have become the most universal and reliable structures, ... recycling of demolished concrete for new construction is essential to preserve the natural resources.

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International Concrete Abstracts Portal

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts. ... The recycling of solid by-products as construction materials can be an alternative to reduce costs of the ...

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Sustainable Construction Exploration: A Review of Multi-Recycling …

This paper provides an overview of literature on the multiple-time recycling of concrete waste and meticulously analyzes the research findings. The paper begins by reviewing the characteristics of recycled materials such as recycled coarse aggregate, recycled fine aggregate, and recycled powder obtained from concrete waste in relation to the recycling …

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International Concrete Abstracts Portal

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts. ... most post-consumer glass processed by recycling facilities would be classified as high-alkali pozzolanic ...

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Recycling of Waste Coconut Shells as Substitute for Aggregates …

Abstract and Figures. ... and to sustain good product performance and meet recycling goals. A conventional concrete hollow block was compared to concrete hollow blocks with coconut shells and ...

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Recycling of Concrete Rubble

Abstract. The term "concrete" refers to both a material principle and a certain building material. The material principle "concrete" includes all materials that consist of a bulk material whose particles are cemented by a binder and thus consolidated. ... The recycling of concrete rubble on a larger scale began in road construction. In ...

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Effective recycling of disposable medical face masks for …

In this research, we developed a new environmentally friendly recycling technique using waste DMFMs in sustainable green concrete. More explicitly, a new fiber hybridization approach has been introduced in which two types of fibers namely DMFM fiber and basalt fiber (BF) were incorporated into fiber reinforced recycled aggregate concrete (FRAC).

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Research Status and Recycling of Recycled Concrete

It is necessary to study and reuse waste concrete in view of conservation of resources, protection of environment and sustainable development.

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Closed-loop recycling of C&D waste: Mechanical properties of concrete

Abstract. Studies have been conducted on the repeated recycling of recycled coarse aggregates and recycled fine aggregates obtained from concrete waste, but no research has been conducted on the repeated recycling of recycled powder as a partial replacement for cement, which is pointed out as a major source of CO 2 in the concrete industry. This paper investigates the …

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International Concrete Abstracts Portal

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts. ... The attached cement paste in recycle d concrete (RC) aggregateleads to its potential reactivity against ...

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Overview of Concrete Recycling Legislation and Practice in the …

This empirical research on concrete recycling in the United States consists of two parts: a qualitative study of the legislation, regulation, and practice of solid waste management (SWM) and concrete recycling in 45 states and the District of Columbia, and a questionnaire survey of practitioners' views of concrete recycling in Ohio and ...

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Recycling of plastic waste concrete to prepare an effective …

Plastic waste concrete is an alkaline solid–liquid mixed waste generated in the concrete production process. The recycling of plastic waste concrete in building materials can help reduce ...

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Recycling of water treatment sludge in concrete: The role of water

Abstract For eutrophic water bodies, potassium permanganate is an effective pre-oxidant to remove algae and its residue in water treatment sludge. ... Meanwhile, reducing the w/b also reduced the interfacial transition zone width of DWSA-modified concrete. Recycling DWSA in concrete effectively reduced the total carbon footprint and cost of the ...

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Recycling technology of old cement concrete pavement in highways

Recycling cement clinker will be produced in this way by sintering waste concrete and a certain amount of accessory materials. ... [Show full abstract] (especially concrete waste building material

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Life cycle assessment of material footprint in recycling: A case of

Meeting the current demand for concrete requires not only mining tons of gravel and sand, but also burning large amounts of fossil fuel resources in cement kilning. Consequently, concrete recycling is crucial to achieving a material-efficient society, especially with the application of various categ …

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Recycling efficiency mechanism of recycled concrete aggregate to

If not managed correctly, this waste can lead to significant land encroachment and severe environmental harm. To effectively mitigate these risks, it is essential to establish a …

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Chemical recycling and use of various types of concrete

To achieve a sustainable society, recycling and reuse of the byproducts and waste generated by industries are important issues. Development of these industrial byproducts and waste as alternative ...

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(PDF) Recycling of fresh concrete exceeding and wash water in concrete

The exceeding concrete and washing equipment water are a matter to solve in concrete production. This paper explains several possibilities for recycling and analyses the products obtained with one ...

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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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Recycling of steel slag aggregate in portland cement concrete: An

Abstract. Because of the unique physical and chemical characteristics of steel slag, steel slag aggregate (SSA) has been recycled into Portland cement concrete as a substitution for natural aggregates as a sustainable and low impact design solution by reducing the use of natural resources and the landfills for disposal.

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Complete re-utilization of waste concretes–Valorisation pathways …

Recycling concrete to provide a resource stream of recycled materials, and hence reduce the demand for primary extraction of construction minerals, is identified as a way to …

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Upcycling of construction and demolition waste: Recovery and …

Abstract. 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 ...

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