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Developments in Sustainable Concrete-Polymer Composites and Fiber Reinforced Polymers

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Fibers".

Deadline for manuscript submissions: closed (31 January 2025) | Viewed by 1372

Special Issue Editor


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Guest Editor
College of Engineering, Abu Dhabi University, P.O. Box 59911, Abu Dhabi, United Arab Emirates
Interests: geopolymer concrete; sustainable construction materials; FRP-reinforced/strengthened concrete; progressive-collapse-resistant design
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Concrete with alkali-activated binders or aluminosilicate-based geopolymers may offer competitive fresh properties, mechanical properties, and durability, making them a sustainable alternative to Portland cement for infrastructure projects. Research articles are invited to address the development of geopolymers for concrete production, highlighting their potential to reduce CO2 emissions and/or recycling/reusing byproducts including industrial, agricultural, or others to preserve natural resources.  

Articles are invited on the optimal incorporation of sustainable cement replacements in geopolymers or conventional concrete mixes to enhance their strength and durability and to produce sustainable and traditional or 3D-printed concrete. Innovative or recycled cement alternatives that may reduce the environmental impact of concrete include, but are not limited to, recycled slag, fly ash, silica fume, and others. Articles and reviews are invited on innovations and future directions related to the impact of reinforcing fibers on the performance of geopolymer, conventional, and 3D printed concrete, including but not limited to the effects on fiber type, length, and content. 

In general, this Special Issue provides a comprehensive overview of the latest developments in sustainable concrete technology, emphasizing the significance of alkali-activated binders or other technologies to develop geopolymer and/or conventional concrete with complete or partial replacement of ordinary Portland cement.

Topics of interest include the following:

  • Synthesis, characterization, and performance evaluation of alkali-activated binders and geopolymers for sustainable concrete production.
  • Development of geopolymers as an environmentally friendly alternative to Portland cement, using industrial and other byproducts. 
  • Optimization of cement replacement content for improved sustainability and performance, along with the influence of reinforcing fibers on the mechanical properties of sustainable concrete. 
  •  Durability and resistance of sustainable and low-carbon footprint concrete systems to harsh environments. 
  • Any other related topics.

Prof. Dr. Osama Ahmed Mohamed
Guest Editor

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. Polymers 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 2700 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

  • alkali-activated binders
  • geopolymers
  • slag
  • fly ash
  • sustainable concrete
  • concrete mechanical properties
  • durability

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Published Papers (1 paper)

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Research

23 pages, 2933 KiB  
Article
Shear Bond Strength in Stone-Clad Façades: Effect of Polypropylene Fibers, Curing, and Mechanical Anchorage
by Vahid Shafaie, Oveys Ghodousian, Amin Ghodousian, Mohammad Gorji, Hossein Mehdikhani and Majid Movahedi Rad
Polymers 2024, 16(21), 2975; https://doi.org/10.3390/polym16212975 - 24 Oct 2024
Cited by 6 | Viewed by 983
Abstract
This study investigates the shear bond strength between four widely used façade stones—travertine, granite, marble, and crystalline marble—and concrete substrates, with a particular focus on the role of polypropylene fibers in adhesive mortars. The research evaluates the effects of curing duration, fiber dosage, [...] Read more.
This study investigates the shear bond strength between four widely used façade stones—travertine, granite, marble, and crystalline marble—and concrete substrates, with a particular focus on the role of polypropylene fibers in adhesive mortars. The research evaluates the effects of curing duration, fiber dosage, and mechanical anchorage on bond strength. Results demonstrate that Z-type anchorage provided the highest bond strength, followed by butterfly-type and wire tie systems. Extended curing had a significant impact on bond strength for specimens without anchorage, particularly for travertine. The incorporation of polypropylene fibers at 0.2% volume in adhesive mortar yielded the strongest bond, although lower and higher dosages also positively impacted the bonding. Furthermore, the study introduces a novel fuzzy logic model using the Dombi family of t-norms, which outperformed linear regression in predicting bond strength, achieving an R2 of up to 0.9584. This research emphasizes the importance of optimizing fiber dosage in adhesive mortars. It proposes an advanced predictive model that could enhance the design and safety of stone-clad façades, offering valuable insights for future applications in construction materials. Full article
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