ArticleMaterials (Basel, Switzerland)2022
Experimental Study on Self Compacting Fibrous Concrete Comprising Magnesium Sulphate Solution Treated Recycled Aggregates.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Enhancing durability and sustainability of industrial floors: A comparative analysis of dry-shake surface hardeners.Heliyon · 2024Article
- Effect of Walnut-Shell Additive on the Structure and Characteristics of Concrete.Materials (Basel, Switzerland) · 2023Article
- Repeated Impact Response of Normal- and High-Strength Concrete Subjected to Temperatures up to 600 °C.Materials (Basel, Switzerland) · 2022Article
- Experimental and Statistical Investigation to Evaluate Impact Strength Variability and Reliability of Preplaced Aggregate Concrete Containing Crumped Rubber and Fibres.Materials (Basel, Switzerland) · 2022Article
- Repeated Drop-Weight Impact Testing of Fibrous Concrete: State-Of-The-Art Literature Review, Analysis of Results Variation and Test Improvement Suggestions.Materials (Basel, Switzerland) · 2022Review
- Development of High-Tech Self-Compacting Concrete Mixtures Based on Nano-Modifiers of Various Types.Materials (Basel, Switzerland) · 2022Article
- Enhancing the Impact Strength of Prepacked Aggregate Fibrous Concrete Using Asphalt-Coated Aggregates.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
4 authors.
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Abstract
It appears that the awareness and intentions to use recycled concrete aggregate (RCA) in concrete are expanding over the globe. The production of self-compacting concrete (SCC) using RCA is an emerging field in the construction sector. However, the highly porous and absorptive nature of adhered mortar on RCA's surface leads to reduced concrete strength, which can be removed with the application of various techniques, such as acid treatment. This study investigated the effect of the partial replacement of silica fume by cement and natural aggregate (NA) by RCA with and without steel fibre. The used RCA was treated with magnesium sulphate solution. It was immersed in solutions with different concentrations of 10%, 15% and 20% and for different periods of 5, 10 and 15 days. Sixteen mixes were prepared, which were divided into six groups with or without 1% of steel fibre content. The fresh properties, compressive strength, split tensile strength and impact resistance were examined. The results revealed that the strengths of the mixes with 20% RCA were marginally better than those of the control mixes. The compressive strength and split tensile strength were reduced by 34% and 35% at 60% RCA content, respectively, as compared to the control mixes.
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