Use of fine recycled concrete aggregates in concrete: A …

This paper discusses the state-of-the-art of the fine recycled concrete aggregates (fRCA), focusing on their physical and chemical properties, engineering properties and …

Properties and Microstructure of Low-Strength Recycled …

Utilizing recycled concrete aggregate (RCA) is a countermeasure to address the scarcity of landfills and the depletion of natural aggregates. Surface modification techniques have been proposed and implemented to improve the properties of RCA; however, to our best knowledge, few investigations on improving RCA under various pozzolanic slurry …

(PDF) Effect of waste glass powder and recycled fine aggregate …

Effect of waste glass powder and recycled fine aggregate in sustainable concrete. September 2023; Journal of Structural Engineering & Applied Mechanics 6(4):343-363 ... Start by preparing the co ...

Mechanical and Durability Properties of Recycled Aggregate …

The coarse natural aggregate was replaced with coarse recycled aggregate in concrete mixes at the following ratios: 30%, 50%, 70%, and . ... the co ncrete with recycled aggregate has slightly ...

Evaluating The Compressive Strength Of Recycled Aggregate …

In this work, the compressive strength of concrete made from recycled aggregate is studied and an intelligent prediction proposed by using the novel artificial neural network (ANN), which utilized ...

STUDY OF NATURAL AGGREGATES AND TESTING OF RECYCLED AGGREGATES

Jitender and Sandeep ( 2014) [5] compared the properties of recycled aggregate and natural aggregates, stated that replacement of NA by RCA will effect on chloride ions resistance and ...

Strength and Durability Evaluation of Recycled …

In this paper, properties of recycled aggregate from an unknown source collected over a period of 6 months from a recycling plant were evaluated. In addition, properties of concrete produced with 100 % recycled aggregates …

Experimental Study on Recycled Concrete Aggregates with Rice …

On recycled aggregate concrete (RAC), numerous investigations have been conducted [9,[52][53][54][55][56][57][58] [59] [60][61]. Batha et al. [62] performed a thorough analysis of the physical and ...

(PDF) Reuse Of Construction and Demolished Waste as …

Journal of Computer Engineering In Research Trends, 7(8):pp:41-48,August-2020. ... recycled co ncrete aggregate. C EAT Tech nical N ... the concrete made up of using recycled aggregate is also ...

Use of recycled concrete aggregate in concrete: a …

The use of recycled concrete aggregate (RCA) in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for aggregate. ... Strengths of …

Experimental investigation on hardened properties of recycled …

The research work presents the hardened properties of concrete where the partial substitution of recycled coarse aggregate with natural aggregate in amount of 0%, 10%, 30% and 50%.

HARDENED PROPERTIES OF RECYCLED AGGREGATE …

AL-MUKHTAR JOURNAL OF ENGINEERING RESEARCH ISSN online: ... durability properties of recycled aggregate co ncrete . ... The recycled aggregate concrete (RAC) was prepared by using 25%, 35% and 55% ...

(PDF) A review on concrete recycling

is to elucidate sustainable practices that minimize co ncrete waste and promote the effective utilization of ... recycled aggregate concrete. Journal of Cleaner Production. 20 19 Mar 20, 214:403 ...

Unveiling the Potential of Pretreated Recycled Aggregates …

As the construction industry faces growing environmental concerns and a need for viable practices, this study explores the potential for substituting natural aggregates (NA) with …

Recycling of concrete as coarse aggregate: an extended study …

indicate that for a low W/C, recycled brick aggregate co ncrete shows better performance compared to concrete . ... ACI Journal, American Concre te Institute, 212-219.

Effect of Steel Fibers on Compressive Strength of Recycled Aggregate

Compressive strength was observed 15% and 34% higher than the compressive strength of conventional and recycled aggregate concrete at the steel fiber dosage of 3%.

A Comprehensive Review on Recycled Aggregate and …

This study provides a comprehensive review on recycled aggregate (RA) and recycled aggregate concrete (RAC) regarding their history, recycling, reuse and manufacture …

Strength and Durability Performance of Recycled Aggregate …

AbstractThe present study illustrates the susceptibility of optimized-quality recycled concrete aggregate (RCA) to supplementary cementitious materials (SCMs), such as silica fume (SF), ground granulated blast slag (GGBS), and mechanically produced ...Practical ApplicationsAbout 20% to 30% of recycled fines (M-Fines) below 150μm are generated …

A STUDY OF PROPERTIES OF RECYCLED CONCRETE AGGREGATE …

ingredients have be en used to make recycled aggregate co ncrete ... coarse aggregate. Kufa Journal of ... This paper discusses the suitability of producing concrete with 100 % recycled aggregate ...

Prediction of the chloride diffusivity of recycled aggregate …

The incorporation of recycled coarse aggregate (RCA) could reduce recycled aggregate concrete(RAC) durability. Chlorine penetration is an important indicator for concrete durability evaluation. In order to conduct a systematic study of chloride permeation in RAC, this paper demonstrates the feasibility of artificial neural network (ANN) in the study of chloride ion …

A comprehensive review on the use of recycled concrete …

Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve …

(PDF) Residual Compressive Strength of Recycled Brick Aggregate

International Journal of Emerging Technology and Advanced Engineering . ... Cement coated recycled aggregate co ncrete (RAC) ... A recycled aggregate concrete (RAC) with different replacement ...

Modeling and predicting chloride diffusion in recycled aggregate

Here P c denotes the area percentage of coarse aggregate with a size D less than D 0; P k represents the fraction of the total area occupied by aggregate pieces; D max is the maximum aggregate size. Note here that the aggregate size is defined as its effective circular diameter or the ellipse's short axis length [32].When P k and D max are taken as 49.4% and …

Studying the usability of recycled aggregate to produce new …

Utilizing recycled aggregates in construction results in substantial energy, financial, and natural resource savings. Utilizing recovered aggregates directly reduces the …

Effect of recycled coarse aggregate on physical and …

to 40 mm is classified as recycled coarse aggregate (RCA) while the recycled aggregate with a diamet er of 0.5 mm to 4.75 mm is classified as recycled fine aggre-

(PDF) Effect of sulphate attack on strength of recycled aggregate

Fast Setting Early Strength Self-Compacting Co ncrete" Journal of Pos itive School ... this study aimed to examine recycled aggregate concrete's fresh-state and mechanical behaviours by ...

(PDF) EXPERIMENTAL PERFORMANCE OF RECYCLED AGGREGATE …

For Recycled Co ncrete Aggregates (fo r brick), ... Concrete Aggregate In Concrete: A Review," Journal Of Civil . ... Studies on the use of recycled aggregate have been underway over 50 years. In ...

(PDF) A novel treatment method for recycled …

Establishing an effective method to enhance the adhesion of mortar on recycled concrete aggregate (RCA) is key to the utilization of RCA. In this paper, a novel and simple approach for ...

Strength Characteristics of Recycled Aggregate Concrete by …

The important co nstruction material is the cement co ncrete . which ... [28], showing that compressive strength decreases with increasing recycled aggregate ... Australian Journal of Civil ...

Comprehensive Review Of Recycled Aggregate Concrete In …

Katz, A. (2004) "Treatments for the improvement of recycled aggregate", Journal of Materials in Civil Engineering-ASCE, 16(6), 597. Kurup, A.R., Senthil Kumar, K. (2017) "Effect of Recycled PVC Fibres from Electric Waste and Silica powder on shear strength of concrete", Journal of Hazardous,Toxic, and Radioactive Waste-ASCE, 21(3 ...

Mechanical properties of high strength concrete with recycled aggregate

This new recycled aggregate processing technique yields better results, and this method is simple, suitable and opens a new era in the production of high strength concrete for sustainable ...

(PDF) Concrete using recycled aggregates

The recycled aggregate obtained from demolished concrete was angular, ... (2015), "Construction and Demolition Waste Management -A Review", International Journal of Advanced Science and Technology ...