concrete aggregate recycled thermomechanical beneficiation

Thermomechanical beneficiation of recycled concrete

2021.12.6 Illustration of potential reuse of RCA fractions in new concrete. In order to move towards a circular economy, it is relevant to maximize the usage of waste materials in construction activities. One such resource that could be extracted from abundant waste

Thermomechanical beneficiation of recycled concrete

2021.12.6 The analysis demonstrates that as the replacement ratio of recycled aggregate increases, the average frequency decreases but the damping ratio increases

Thermomechanical beneficiation of recycled concrete

2021.10.21 Request PDF Thermomechanical beneficiation of recycled concrete aggregates (RCA) In order to move towards a circular economy, it is relevant to

A novel beneficiation process for producing high-quality recycled ...

2022.11.1 In this paper, a novel process for the thermomechanical beneficiation of waste concrete for recycling is proposed through directly heating concrete chunks to

Incorporating coarse and fine recycled aggregates into concrete

2023.11.6 Materials and reagents. The application of recycled concrete aggregates (RCA) serves as a widely embraced method on behalf of repurposing concrete waste,

Thermomechanical beneficiation of recycled concrete ...

2021.10.21 Thermomechanical beneficiation of recycled concrete aggregates (RCA) Construction and Building Materials ( IF6.141 ) Pub Date : 2021-10-21, DOI:

Thermo-mechanical treatment as an upcycling strategy for mixed recycled ...

2023.9.22 Thermo-mechanical treatment for sustainable upcycling of mixed recycled aggregates. • Aggregate treated at temperature of 700 °C shows best aggregate

Microwave-assisted beneficiation of recycled concrete aggregates

2011.8.1 This experimental study was conducted to investigate the capability of the microwave-assisted RCA beneficiation technique to reduce the mortar content of RCA

Thermo-mechanical treatment as an upcycling strategy for mixed recycled ...

2023.9.22 If the recycled CD waste comprises less than 90% of concrete and unbound stones, the resulting aggregate is known as mixed recycled aggregate (MRA).

A Comprehensive Review on Recycled Aggregate and

2021.8.1 The key words such as recycled aggregate, recycled aggregate concrete, construction and demolition wastes, mechanical properties of recycled aggregate

Press Information Bureau

2023.1.16 Concrete is the most common material used in construction universally with an annual production estimated to be 10–30 billion tonnes. The global consumption of construction aggregates,

Thermomechanical beneficiation of recycled concrete

Semantic Scholar extracted view of "Thermomechanical beneficiation of recycled concrete aggregates (RCA)" by R. Prajapati et al. Skip to search form Skip to main ... , title={Thermomechanical beneficiation of recycled concrete aggregates (RCA)}, author={Rohit Prajapati and Ravindra Gettu and Surender Singh}, journal={Construction

An Advanced Concrete Recycling Technology and its

2005.3.1 The technologies of concrete recycling that are most often described in literature involve the removal of cement mortar from the surface of aggregate (Shima et al, 2005), or the impregnation of ...

Sustainability Assessment of Concrete Pavements with Recycled Concrete ...

2023.3.11 The CD waste has to be recycled and crushed to the required size to be used as aggregate, which is commonly called recycled concrete aggregates (RCA). However, using RCA in concrete could compromise the mechanical properties of the concrete, leading to higher pavement thickness than that in the case of pavements with

Rohit PRAJAPATI Postdoctoral Research Associate Doctor

However, the main problem associated with the fine recycled concrete aggregate (FRCA) is the high amount of low-density porous adhered cement paste. ... Thermomechanical beneficiation of recycled ...

IIT Madras employs solar thermal energy to recycle waste concrete

2023.1.16 The waste concrete from demolition was heated using solar radiation to produce recycled concrete aggregate (RCA) that was higher in quality when compared to those obtained from mechanical crushing.

Life cycle assessment of three typical recycled products from ...

2022.11.20 Environmental issues caused by the disposal of construction and demolition waste (CDW) is a worldwide problem. However, current studies lack a unified assessment of the reuse of CDW for quantifying the benefits in terms of the environment, economy, and carbon emissions.This study conducts a life cycle assessment on three

Ravindra GETTU Prof. VS Raju Chair Professor - ResearchGate

2023.11.9 However, the main problem associated with the fine recycled concrete aggregate (FRCA) is the high amount of low-density porous adhered cement paste. ... Thermomechanical beneficiation of recycled ...

Surender SINGH Professor (Assistant) Ph.D. - ResearchGate

However, the main problem associated with the fine recycled concrete aggregate (FRCA) is the high amount of low-density porous adhered cement paste. ... Thermomechanical beneficiation of recycled ...

Influence of Treatment Methods on the Strength and

2014.10.9 This study investigates the use of normal aggregate concrete (NAC) and recycled aggregate concrete (RAC) strength made with a cement content of 300 kg/m3, 350 kg/m3, 400 kg/m3, 450 kg/m3 with ...

Energy and CO2 from high performance recycled aggregate production ...

2014.9.1 Consequently, CO2 emissions released by conventional coarse aggregate production go from 1.5 to 4.5 kgCO2/t, to around 200 kgCO2/t, for that of fossil fuel fed thermo-mechanical treatments ...

Effect of CO2 Curing on the Physical Properties of Recycled

2022.10.4 The effects of carbon dioxide (CO2) curing conditions (temperature, relative humidity and CO2 curing time) on the physical properties of recycled coarse aggregate (RCA) with varying attached mortar (AM) contents were studied. Before and after CO2 curing, the physical properties in terms of the apparent density, water absorption

Thermo-mechanical treatment as an upcycling strategy for mixed recycled ...

2023.9.22 Despite potential viability, the investigation on thermo-mechanical treatment has been limited to recycled concrete aggregate (RCA) [16], [17]. There is a need to investigate the effect of thermo-mechanical treatment on the properties of MRA. ... Thermomechanical beneficiation of recycled concrete aggregates (RCA) Constr. Build.

Compressive behaviour and microstructures of concrete

2023.6.1 Thermomechanical beneficiation of recycled concrete aggregates (RCA) Construct. Build. Mater. (2021) ... Compressive and shrinkage behaviors of recycled aggregate concrete containing recycled sand from weathered residual soil of granite and MgO expansion agent. Journal of Building Engineering, Volume 68, 2023, Article 106154 ...

Construction and Building Materials Vol 310, 6 December

Mesoscopic study of concrete with random aggregate model using phase field method. Yang Xia, Wenan Wu, Yongtao Yang, Xiaodong Fu. Article 125199 ... Thermomechanical beneficiation of recycled concrete aggregates (RCA) Rohit Prajapati, Ravindra Gettu, Surender Singh. Article 125200

(PDF) Multi-Objective Optimization Model for Thermal

2023.6.5 Multi-Objective Optimization Model for Thermal-Mechanical Treatment of Recycled Concrete Aggregate June 2023 American Journal of Applied Mathematics 11(2):17-22

(PDF) CHALLENGES AND PROSPECTS OF DEMOLITION WASTE RECYCLING

2019.9.1 PET-fibres as the partial replacement of aggregate in the Portland cement aggregate concrete. It shows an increase in compression and tensile strength (Ramadevi and Manju, 2012).

A study on development of recycled cement made from

2015.5.15 Kwon et al. (2015) evaluated levels of up to 65% replacement of Portland cement by cement powder residues from recycled aggregates with dimensions below 75 μm. Results indicated that levels of up ...

sbm/sbm plant concrete beneficiation.md at main

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Performance Studies of Pavement Quality Concrete Mix

2021.4.11 Incorporating recycled concrete aggregate (RCA) is one way of recycling and using demolished concrete waste. ... Foo TWJ (2011) Microwave-assisted beneficiation of recycled concrete aggregates. Constr Build Mater 25(8):3469–3479. CrossRef Google Scholar Farid D, Said K (2007) The use of coarse and fine crushed bricks as aggregate