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Fibers
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Fiber-Reinforced Concrete and Fiber-Reinforced Polymer Materials: Innovative Solutions in Construction...
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Fiber-Reinforced Concrete and Fiber-Reinforced Polymer Materials: Innovative Solutions in Construction Engineering

A special issue of Fibers (ISSN 2079-6439).

Deadline for manuscript submissions: 10 January 2027 | Viewed by 1905

Special Issue Editors

Dr. Theodoros Rousakis

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Guest Editor
Department of Civil Engineering, Democritus University of Thrace, GR-67 100 Xanthi, Greece
Interests: structural analysis; civil engineering materials; construction; construction engineering; structural dynamics; finite element analysis; building; construction materials; building materials; finite element modelling
Special Issues, Collections and Topics in MDPI journals
Dr. Ioannis E. Kavvadias

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Guest Editor
Department of Civil Engineering, Sector of Structural Engineering Science, Institute of Structural of Statics and Dynamics, Democritus University of Thrace, 67100 Xanthi, Greece
Interests: structural analysis; dynamics of structure; numerical methods for structural engineering
Special Issues, Collections and Topics in MDPI journals
Dr. Maria C. C. Naoum

E-Mail Website
Guest Editor
Division of Structural Engineering Science, Department of Civil Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Interests: structural health monitoring (SHM); fiber-reinforced concrete (FRC); reinforced concrete; rehabilitation & strengthening of existing R.C. structures; piezoelectric sensors; PZT; non-destructive testing (NDT); seismic performance assessment; seismic analysis
Special Issues, Collections and Topics in MDPI journals
Dr. Kosmas E. Bantilas

E-Mail Website
Guest Editor
Division of Structural Engineering Science, Department of Civil Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Interests: reinforced concrete structures; structural analysis; performance-based earthquake engineering; passive energy dissipation systems; seismic isolation; fragility analysis; finite element modeling
Special Issues, Collections and Topics in MDPI journals
Dr. Emmanouil Golias

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Guest Editor
Division of Structural Engineering Science, Department of Civil Engineering, Democritus University of Thrace, GR-67 100 Xanthi, Greece
Interests: repair and strengthening techniques base on fiber reinforced polymers (C-FRPs rope); earthquake resilient based design; integrated energy and seismic retrofitting of RC structures; seismic performance of non-structural components; multi-hazard analylsis of special structures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to present this Special Issue focused on the research area of fiber-reinforced concrete (FRC) and mortar, as well as fiber-reinforced polymers (FRPs), in the design and redesign of concrete and masonry members and structures. This Special Issue aims to bring together innovative research and advancements in the field, covering non-seismic and seismic resistant structures and seismic protection methods, experiments, analyses, and structural interventions. In addition, this Special Issue aims to provide a platform for researchers to share their findings and insights into applying FRC and FRPs in new and existing concrete and masonry structures. FRC and FRPs offer enhanced mechanical properties, durability, and sustainability, making them valuable materials in the construction industry. Topics of interest for this Special Issue include experimental investigations into the mechanical properties of FRC and FRPs, analysis of the structural behavior and performance of concrete and masonry members retrofitted with FRC and FRPs, analytical and numerical modeling of FRC and FRP retrofitting techniques, and assessment of the seismic response and performance of structures.

Additionally, this Special Issue welcomes research on non-seismic and seismic-resistant structures, exploring different methods for seismic protection and developing innovative strategies for structural interventions. Case studies and practical applications of FRC and FRPs in new and existing structures will also be considered. The publication of this Special Issue will contribute to the advancement of knowledge in the field of FRC and FRPs, providing valuable insights for researchers, engineers, and professionals involved in the design and retrofitting of concrete and masonry structures. It is anticipated that the collection of articles within this Special Issue will inspire further research, foster collaborations, and promote the adoption of sustainable and resilient construction practices. Therefore, we invite researchers and experts in the field to submit their original research papers and case studies for consideration in this Special Issue. Manuscripts will undergo a rigorous peer-review process to ensure the quality and relevance of the published work.

We look forward to receiving valuable contributions that will further enhance our understanding and application of FRC and FRP in designing and redesigning concrete and masonry members and structures.

You may choose our Joint Special Issue in Buildings.

Dr. Theodoros Rousakis
Dr. Ioannis E. Kavvadias
Dr. Maria C. C. Naoum
Dr. Kosmas E. Bantilas
Dr. Emmanouil Golias
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 250 words) can be sent to the Editorial Office for assessment.

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. Fibers 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 2000 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

  • fiber-reinforced concrete
  • fiber-reinforced polymers
  • experimental and numerical analysis
  • earthquake engineering
  • reinforced concrete structures
  • masonry structures
  • experiments
  • analysis
  • design and redesign

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

20 pages, 6471 KB  
Article
Assessing the Role of Recycled Tyre Polymer Fibres (RTPFs) on the Key Hydration Processes Governing Autogenous Shrinkage
by Katarina Didulica, Ana Baričević and Vesna Zalar Serjun
Fibers 2025, 13(12), 165; https://doi.org/10.3390/fib13120165 - 10 Dec 2025
Viewed by 820
Abstract
The incorporation of recycled tyre polymer fibres (RTPF) in cementitious composites provides an effective and sustainable approach in tyre waste management while offering potential benefits in mitigating early-age volume deformations. This study evaluates the influence of RTPFs, used in dry (RTPFd) [...] Read more.
The incorporation of recycled tyre polymer fibres (RTPF) in cementitious composites provides an effective and sustainable approach in tyre waste management while offering potential benefits in mitigating early-age volume deformations. This study evaluates the influence of RTPFs, used in dry (RTPFd) and pre-wetted (RTPFw) states, on key hydration processes governing autogenous shrinkage in cement pastes with w/c of 0.4 and 0.22. The results show that RTPF reduced workability and altered the setting process due to the fibre–matrix mechanical interactions. Incorporation of RTPFs induced changes in water distribution at the fibre surface, delaying self-desiccation and maintaining higher internal relative humidity. While RTPFs offer a beneficial reduction in autogenous shrinkage by 12–41% in mixtures with w/c of 0.4 and by 15–34% in mixtures with w/c of 0.22, RTPFs also increased porosity, which contributed to a reduction in 28-day compressive strength of up to 16%. These findings highlight the dual effect of RTPF on early-age performance and provide insight into their potential application in sustainable cementitious composites. Full article
(This article belongs to the Special Issue Fiber-Reinforced Concrete and Fiber-Reinforced Polymer Materials: Innovative Solutions in Construction Engineering)
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33 pages, 3464 KB  
Article
Finite Element Models on Shear Behavior of Deep Beams Prepared Using Steel Fiber-Reinforced Recycled Coarse Aggregate Concrete
by Said Elkholy, Mohamed Salem and Ahmed Godat
Fibers 2025, 13(12), 160; https://doi.org/10.3390/fib13120160 - 26 Nov 2025
Cited by 1 | Viewed by 645
Abstract
Numerous experimental and numerical studies have extensively investigated the performance of reinforced deep beams made with natural coarse aggregate concrete. However, limited research has been carried out on reinforced deep beams made of concrete with coarse aggregate from recycled materials and steel fibers. [...] Read more.
Numerous experimental and numerical studies have extensively investigated the performance of reinforced deep beams made with natural coarse aggregate concrete. However, limited research has been carried out on reinforced deep beams made of concrete with coarse aggregate from recycled materials and steel fibers. The main goal of this research is to create an accurate finite element model that can mimic the behavior of deep beams using concrete with recycled coarse aggregate and different ratios of steel fibers. The suggested model represents the pre-peak, post-peak, confinement, and concrete-to-steel fiber bond behavior of steel fiber concrete, reinforcing steel, and loading plates by incorporating the proper structural components and constitutive laws. The deep beams’ nonlinear load–deformation behavior is simulated in displacement-controlled settings. In order to verify the model’s correctness, the ultimate loading capacity, load–deflection relationships, and failure mechanisms are compared between numerical predictions and experimental findings. The comparison outcomes of the performance of the beams demonstrate that the numerical model effectively predicts the behavior of deep beams constructed with recycled coarse aggregate concrete. The findings of the experiment and the numerical analysis exhibit a high degree of convergence, affirming the model’s capability to accurately simulate the performance of such beams. In light of how accurately the numerical predictions match the experimental results, an extensive parametric study is conducted to examine the impact of parameters on the performance of deep beams with different ratios of steel fibers, concrete compressive strength, type of steel fibers (short or long), and effective span-to-effective depth ratio. The effect of each parameter is examined relative to its effect on the fracture energy. Full article
(This article belongs to the Special Issue Fiber-Reinforced Concrete and Fiber-Reinforced Polymer Materials: Innovative Solutions in Construction Engineering)
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