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Article

Mineral Addition and Mixing Methods Effect on Recycled Aggregate Concrete

1
Department of Civil Engineering, Yuzuncu Yil University, Van 65080, Turkey
2
Department of Statistics, Yildiz Technical University, Istanbul 34220, Turkey
*
Author to whom correspondence should be addressed.
Academic Editor: Andrea Petrella
Materials 2021, 14(4), 907; https://doi.org/10.3390/ma14040907
Received: 16 January 2021 / Revised: 7 February 2021 / Accepted: 10 February 2021 / Published: 14 February 2021
(This article belongs to the Special Issue Recycled Materials in Civil and Environmental Engineering)
This paper presents influence of treatment and mixing methods on recycled aggregate concretes (RAC) designed regarding various techniques. Absolute Volume Method (AVM) according to TS 802, Equivalent Mortar Volume Method (EMV), silica fume (SF) as a mineral addition were considered in the design of concretes. In total, four groups of concretes were produced in the laboratory: (1) natural aggregate concrete (NAC) designed with AVM as control concrete, (2) RAC designed with AVM as control RAC, (3) RAC with SF as a mineral addition designed with AVM as treated RAC and (4) RAC designed with EMV as treated RAC. The tests were performed at 28th days and the statistical analysis were made on the test results. According to the results, EMV and SF increased the compressive strength of concretes and this resulted an increase in the strength class of concrete. A significant statistical difference between the concretes were determined. According to multiple comparison analysis, it was found that especially there was a significant relationship among NAC, RAC and RAC-EMV. In addition, it was recommended that EMV and AVM with 5% SF could be used in the design of RAC rather than AVM only to achieve the target strength class C30/37. View Full-Text
Keywords: recycled aggregate concrete; silica fume; mixing process; compressive strength recycled aggregate concrete; silica fume; mixing process; compressive strength
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MDPI and ACS Style

Dilbas, H.; Güneş, M.Ş. Mineral Addition and Mixing Methods Effect on Recycled Aggregate Concrete. Materials 2021, 14, 907. https://doi.org/10.3390/ma14040907

AMA Style

Dilbas H, Güneş MŞ. Mineral Addition and Mixing Methods Effect on Recycled Aggregate Concrete. Materials. 2021; 14(4):907. https://doi.org/10.3390/ma14040907

Chicago/Turabian Style

Dilbas, Hasan, and Mehmet Ş. Güneş 2021. "Mineral Addition and Mixing Methods Effect on Recycled Aggregate Concrete" Materials 14, no. 4: 907. https://doi.org/10.3390/ma14040907

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