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Buildings
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Concrete Aggregates in Building Materials
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Concrete Aggregates in Building Materials

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 2376

Special Issue Editors

Dr. Hussein Mahmood Hamada

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Guest Editor
Department Civil Engineering, American University of Sharjah, Sharjah 26666, United Arab Emirates
Interests: sustainable aggregates; concrete; fine and coarse aggregate; waste materials; mechanical properties; durability; environment and sustainability
Prof. Dr. Farid Abed

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Guest Editor
Department of Civil Engineering, American University of Sharjah, Sharjah 26666, United Arab Emirates
Interests: advanced structural analysis; advanced mechanics of materials; finite element method; FRP composites materials; fabric-reinforced cementitious matrix (FRCM); theory of elasticity and plasticity
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of both fine and coarse aggregates is highly important in concrete production and constitutes more than 70% of the total concrete volume. Therefore, researchers have focused on studying the characteristics required for each type. Usually, natural fine and coarse aggregates are used in preparing concrete mixtures in huge amounts. The continuous extraction of these natural aggregates causes environmental issues and a risk of future depletion due to the increasing demand for concrete. Thus, using a renewable and sustainable aggregate has become an urgent, promising matter to solve this problem.

The main purpose of this Special Issue is to identify and discover renewable and sustainable construction materials that can be used as aggregates in concrete production. This Special Issue includes, but is not limited to:

  • Renewable aggregates;
  • Sustainable aggregates;
  • Recycled aggregates;
  • Waste materials as aggregates;
  • Agriculture and industrial wastes as aggregates;
  • Eco-friendly construction materials.

Some additional topics are welcome due to their contributions to sustainable energy:

  • The use of palm oil fuel ash as a sustainable fine aggregate.
  • The use of recycled aggregate as a renewable aggregate in self-compacting concrete.
  • The use of agriculture waste as a sustainable fine aggregate in high and ultra-high-performance concrete.
  • The use of industrial waste as a sustainable fine aggregate in high and ultra-high-performance concrete.
  • The use of mineral waste as a sustainable aggregate in high and ultra-high-performance concrete.
  • The use of desert sand as a renewable fine aggregate in high and ultra-high-performance concrete.
  • The use of desert sand as a renewable fine aggregate in self-compacting concrete.

We look forward to your submissions.

Dr. Hussein Mahmood Hamada
Prof. Dr. Farid Abed
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. Buildings is an international peer-reviewed open access monthly 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

  • sustainable aggregates
  • concrete
  • fine and coarse aggregate
  • waste materials
  • mechanical properties
  • durability
  • environment and sustainability

Published Papers (1 paper)

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Research

28 pages, 20465 KiB  
Article
Physicomechanical Behavior of High-Performance Concrete Reinforced with Recycled Steel Fibers from Twisted Cables in the Brittle State—Experimentation and Statistics
by Yazid Chetbani, Rebih Zaitri, Bassam A. Tayeh, Ibrahim Y. Hakeem, Fodil Dif and Yasmina Kellouche
Buildings 2023, 13(9), 2290; https://doi.org/10.3390/buildings13092290 - 08 Sep 2023
Cited by 3 | Viewed by 2037
Abstract
This research studied the effect of recycled steel fibers extracted from twisted cable waste on the fresh and hardened states of high-performance concretes. Accordingly, slump, water absorption (WA), compressive strength (CS), flexural strength (FS), and split tensile strength (STS) were measured in the [...] Read more.
This research studied the effect of recycled steel fibers extracted from twisted cable waste on the fresh and hardened states of high-performance concretes. Accordingly, slump, water absorption (WA), compressive strength (CS), flexural strength (FS), and split tensile strength (STS) were measured in the laboratory using mixtures generated by the response surface methodology (RSM). The RSM-based central composite design (CCD) was used to assess the influence of water-to-binder (W/B) ratios from 0.27 to 0.31, length-to-diameter (L/d = 46 to 80) and steel fiber content (SFC) in the range of 19 to 29 kg/m3 on the behavior of high-performance fiber-reinforced concrete (HPFRC). The accuracy and validation of the generated models were evaluated by employing analysis of variance (ANOVA) and optimal parameters. The experimental findings revealed that the use of an L/d ratio of 63, a W/B ratio of approximately 0.28, and an SFC of around 22 kg/m3 resulted in high workability in terms of slump. While a notable increase in compressive strength was observed when employing an L/d ratio of approximately 70, a W/B ratio of around 0.28, and the maximum SFC of 29 kg/m3, as confirmed by scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis. Full article
(This article belongs to the Special Issue Concrete Aggregates in Building Materials)
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