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Recycled Aggregate in Concrete Applications
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Recycled Aggregate in Concrete Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 2642

Special Issue Editors

Dr. Mohamed Alwaeli

E-Mail Website
Guest Editor
Department of Technologies and Installations for Waste Management, Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18 St., 44-100 Gliwice, Poland
Interests: municipal solid waste; waste management; recycling; concrete
Special Issues, Collections and Topics in MDPI journals
Dr. Małgorzata Gołaszewska

E-Mail Website
Co-Guest Editor
Department of Building Processes and Building Physics, Faculty of Civil Engineering, Silesian University of Technology, Akademicka 5 St., 44-100 Gliwice, Poland
Interests: concrete technology; usage of waste materials in cement and concrete technology; properties of innovative cementitious materials; engineering of building processes
Dr. Jan Pizoń

E-Mail Website
Co-Guest Editor
Department of Building Processes and Building Physics, Faculty of Civil Engineering, Silesian University of Technology, Akademicka 5 St., 44-100 Gliwice, Poland
Interests: concrete technology; waste management; modification of concrete

Special Issue Information

Dear Colleagues,

Concrete is currently one of the most used materials on Earth, and the need for aggregate is currently higher than ever before. This poses important problems related to both acquiring aggregate for concrete, and later disposing of the concrete it was used for. As the natural sources of sand, gravel and stone that can be used as aggregate for concrete diminish, the answer to this problem could be found in recycled aggregate. Recycled aggregate can consist of processed construction and demolition wastes, as well as innovative aggregates produced from industrial wastes. However, in order to fully realize the potential of recycled aggregate, it is necessary to conduct research into the properties of aggregate itself, as well as concretes it is part of. Therefore, if your research is connected with the use of recycled aggregate in concrete, we cordially invite you to submit a contribution to this Special Issue.

Dr. Mohamed Alwaeli
Dr. Małgorzata Gołaszewska
Dr. Jan Pizoń
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • concrete technology
  • special concretes
  • waste and recycled materials
  • recycled aggregate
  • cleaner production
  • green technology

Published Papers (2 papers)

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Research

15 pages, 4744 KiB  
Article
The Effect of Waste Ballast Aggregates on Mechanical and Durability Properties of Standard Concrete
by Hasan Erhan Yücel, Maciej Dutkiewicz and Fatih Yıldızhan
Materials 2023, 16(7), 2665; https://doi.org/10.3390/ma16072665 - 27 Mar 2023
Viewed by 1081
Abstract
The acquisition and transportation of aggregate exacerbate the negative impact of concrete on the environment, and waste materials are considered an effective solution to this crucial problem. One of these waste materials is waste ballast (WB), which is needed for new infrastructure along [...] Read more.
The acquisition and transportation of aggregate exacerbate the negative impact of concrete on the environment, and waste materials are considered an effective solution to this crucial problem. One of these waste materials is waste ballast (WB), which is needed for new infrastructure along with increasing rail track technology. In this study, the effect of WB aggregate (which is basalt-based) on the mechanical and durability properties of standard concrete was examined. Coarse aggregate was replaced with WB aggregate at the rates of 50%, 75% and 100%. The slump, compressive strength, flexural strength, capillary water absorption, rapid chloride permeability and water penetration tests on the mixtures were performed. According to the results of this study, the utilization of WB improved the compressive strength and flexural strength of the mixtures by about 15% and 7%, respectively. Moreover, the capillary water absorption, rapid chloride permeability and water penetration values of all the concrete mixtures with WB were lower than the control mixture. In addition, the correlation relations between the mechanical and durability properties indicated that they have a strong relationship with each other. All the results of this study demonstrated that the utilization of WB instead of coarse aggregate improved the mechanical and durability properties of concrete. WB can also provide a more sustainable material formation by minimizing the negative environmental effects of concrete production. Full article
(This article belongs to the Special Issue Recycled Aggregate in Concrete Applications)
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16 pages, 4078 KiB  
Article
Study on Mechanical Properties of Concrete Using Basalt-Based Recycled Aggregate and Varying Curing Conditions
by Hong-Beom Choi and Jin-O Park
Materials 2022, 15(13), 4563; https://doi.org/10.3390/ma15134563 - 29 Jun 2022
Cited by 4 | Viewed by 1132
Abstract
To replace porous basalt, the mechanical properties of concrete with recycled resources and durability improvement were analyzed in this study. The analysis was based on the quality improvement of recycled aggregate, use of fly ash, and changes in curing conditions. Basalt aggregate (BA) [...] Read more.
To replace porous basalt, the mechanical properties of concrete with recycled resources and durability improvement were analyzed in this study. The analysis was based on the quality improvement of recycled aggregate, use of fly ash, and changes in curing conditions. Basalt aggregate (BA) with a 3% water absorption, raw recycled aggregate and basalt (RRA), and improved recycled aggregate and basalt (PRA) were the main experimental variables. As PRA was applied to concrete, the compressive strength was lower than that of the specimen comprising BA in the normal strength region, but the modulus of elasticity (22.9 GPa) was equivalent or higher. The initial drying shrinkage increased because of the use of basalt-based recycled aggregate (B-RA). The drying shrinkage of PRA was similar to that of BA with an average difference of <7% as the age increased. The specimens subjected to steam curing exhibited the lowest drying shrinkage. These results showed that pores in the old paste of recycled aggregate increased freeze–thaw resistance because of the increase in the spacing factor. Although the PRA did not satisfy the quality criteria, the efficient use of recycled aggregate achieved an equivalent or higher performance than that of concrete comprising BA and improved durability. Full article
(This article belongs to the Special Issue Recycled Aggregate in Concrete Applications)
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