Recycled Concrete as Aggregate for Structural Concrete Production
By Mirjana Malesev, Vlastimir Radonjanin, S. Marinković. 2010
513 citations recorded by the source corpus.
A comparative analysis of the experimental results of the properties of fresh and hardened concrete with different replacement ratios of natural with recycled coarse aggregate is presented in the paper. Recycled aggregate was made by crushing the waste concrete of laboratory test cubes and precast concrete columns. Three types of concrete mixtures were tested: concrete made entirely with natural aggregate (NAC) as a control concrete and two types of concrete made with natural fine and recycled coarse aggregate (50% and 100% replacement of coarse recycled aggregate). Ninety-nine specimens were made for the testing of the basic properties of hardened concrete. Load testing of reinforced concrete beams made of the investigated concrete types is also presented in the paper. Regardless of the replacement ratio, recycled aggregate concrete (RAC) had a satisfactory performance, which did not differ significantly from the performance of control concrete in this experimental research. However, for this to be fulfilled, it is necessary to use quality recycled concrete coarse aggregate and to follow the specific rules for design and production of this new concrete type.
Subfields: Building and Construction, Civil and Structural Engineering
View Paper: https://www.semanticscholar.org/paper/1fe013fdd54085c9c5bb7701fbe0bdd31afe3940
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Citations in the corpus
- Quality Improvement Techniques for Recycled Concrete Aggregate: A review (2019, background): “…the interfacial transition zone (ITZ) between the original aggregate and the weak adhered mortar, which distinguishes RCA from the natural aggregate (NA), resulting in a poorer quality concrete (Malesev et al. 2010; Henry et al. 2011; Qiu et al. 2014; Zhang et al. 2015d; Mukharjee and Barai 2017).”
- Ten Years of Sustainability (2009 to 2018): A Bibliometric Overview (2018, background): “13 Recycled concrete as aggregate for structural concrete production [33] Malesev, M.”
- Use of recycled concrete aggregate in concrete: a review (2013, methodology): “Malešev et al. (2010) used Ø100×150 mm cylindrical specimens with embedded ribbed and mild reinforcement (embedded length: 150 mm, diameter: 12 mm) for testing the bond between reinforcement and concrete including 0%, 50%, and 100% RCA.”