Utilization of Recycled Industrial Solid Wastes as Building Materials in Sustainable Construction

Cherian, Chinchu; Siddiqua, Sumi; Arnepalli, Dali Naidu

doi:10.1007/978-981-16-9744-9_4

Cited by 2 publications

(1 citation statement)

References 77 publications

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“…These impacts include deterioration of the landscape, the production of dust, and pollution of water bodies or water courses [1][2][3]. To match the industry requirements for circular construction, research studies investigated the use of recycled concrete recovered from demolition sites to be used as Recycled Concrete Aggregates (RCA) in various applications [4][5][6][7]. The shift in interest in this research domain has increased by approximately 94% between 2015 and 2020 [8].…”

Section: Introductionmentioning

confidence: 99%

An Evaluation of the Strength for Recycled Fine Aggregate Replacement in Cementitious Mortars

Mahmood,

Nanos,

Begg

2024

Buildings

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This research investigates the viability of high-strength Recycled Concrete Aggregate (RCA) sourced from demolished structures containing high-strength concrete as a substitute for natural fine aggregates (NA) in cementitious mortar applications. Concrete specimens (40 × 40 × 160 mm) were prepared in a controlled environment with varying percentages of RCA replacing NA, ranging from 0% to 100% in 10% increments. The resulting RCA aggregates exhibited lower weight for sizes from 0.01 to 1 mm compared to NA, and for 1 to 3 mm sizes, RCA weights were 145% to 177% higher than SS aggregates. After curing for 28 days, flexural and compressive strength tests were conducted on the batches. The average compressive strength for the 0% RCA batch was 66.26 MPa, while the 50% RCA batch showed the closest average compressive strength at 63.10 MPa. Batches with varying RCA levels displayed compressive strengths between 49.52 and 58.18 MPa. The highest flexural strength was observed in the 0% RCA batch, with the closest result for a batch containing RCA being the 50% RCA batch.

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Section: Introductionmentioning

confidence: 99%

An Evaluation of the Strength for Recycled Fine Aggregate Replacement in Cementitious Mortars

Mahmood,

Nanos,

Begg

2024

Buildings

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Sustainable concrete production: Partial aggregate replacement with electric arc furnace slag

Chadee,

Narine,

Maharaj

et al. 2024

Journal of the Mechanical Behavior of Materials

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The pursuit of sustainability in the construction industry has stimulated interest in seeking environmentally friendly alternatives to natural aggregates in concrete production. This study evaluates the behavior of concrete when electric arc furnace (EAF) slag is used as aggregates in its production. The primary research gap filled by this study is to deduce the blend of the fine and coarse EAF slag aggregates that would produce concrete of comparative strengths to concrete made with natural aggregates. Concrete mixtures were formulated using varied EAF slag content in the proportions of 0, 10, 15, 25, and 50%, respectively. The compressive strength values increased as the EAF slag content increased. However, this trend was not evident for the density and tensile strength values. The concrete mixture containing 25% EAF slag with 15% fine and 20% coarse EAF slag aggregates had the greatest density value of 2550.00 kg/m3 and the tensile strength value of 4.8 Pa respectively. This could be due to the distribution of the fine and coarse aggregate grains in the mixture. Since the percentage of fine and coarse aggregate grains were 10 and 15%, respectively, it was a close enough range for the fines to fill in the void spaces. This made the mixture more compact which resulted in a higher density and tensile strength values.

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Utilization of Recycled Industrial Solid Wastes as Building Materials in Sustainable Construction

Cited by 2 publications

References 77 publications

An Evaluation of the Strength for Recycled Fine Aggregate Replacement in Cementitious Mortars

An Evaluation of the Strength for Recycled Fine Aggregate Replacement in Cementitious Mortars

Sustainable concrete production: Partial aggregate replacement with electric arc furnace slag

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