Advanced Nanotechnology for FRP Concrete Retrofitting and Cementitious Materials: Enhancing Bonding, Durability, and Sustainability

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 430

Special Issue Editors


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Guest Editor
Applied Science Research Center, Applied Science Private University, Amman 11937, Jordan
Interests: concrete retrofitting; FRP composites; EBR and NSM technique; nanotechnology; polymer nanocomposites; mechanical performance; structural durability; bonding behavior; failure mechanisms; sustainable and resilient structures

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Guest Editor
Department of Civil and Environmental Engineering, College of Engineering, Design and Physical Sciences, Brunel University of London, London UB8 3PH, UK
Interests: concrete structures; FRP composites; numerical analysis and simulation; LCA; finite element analysis

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Guest Editor
Department of Civil Engineering, The Faculty of Engineering, The University of Jordan, Amman 11942, Jordan
Interests: self compacted concrete; structure repairing; green concrete

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Guest Editor
Department of Civil Engineering, Yarmouk University, Irbid 21163, Jordan
Interests: construction and building materials; structural optimization; computational structural mechanics; concrete durability; concrete technology

Special Issue Information

Dear Colleagues,

Structural retrofitting is essential for ensuring the sustainability, resilience, and cost-effectiveness of modern infrastructure. This Special Issue explores the transformative role of nanotechnology in externally bonded reinforcement (EBR) and near-surface mounted (NSM) fiber-reinforced polymer (FRP) systems, emphasizing nanomaterial-modified epoxy and cement-based adhesives. Additionally, this Issue expands its focus to include nanomaterial-enhanced cementitious and concrete composites, as well as sustainable and smart FRP retrofitting systems.

While traditional EBR and NSM FRP systems have demonstrated effectiveness in strengthening concrete structures, challenges remain in optimizing bonding behavior, mechanical performance, and long-term durability under varying environmental and loading conditions. Integrating polymer nanocomposites, including carbon- and silicon-based nanomaterials, into adhesives offers significant potential to address these challenges by improving bonding efficiency, structural resilience, and failure mitigation. Moreover, incorporating nanomaterials such as ZnO nanoparticles into cementitious and concrete composites can enhance hydration kinetics, crack resistance, and overall mechanical performance, contributing to more durable and sustainable retrofitting solutions.

This Special Issue seeks contributions that advance our understanding of nanotechnology-enhanced adhesives, cementitious composites, and FRP retrofitting systems. Topics include the development and characterization of nanomaterial dispersion techniques, interfacial bonding mechanisms in FRP–concrete systems, and the evaluation of mechanical properties, hydration processes, and failure behavior. Additionally, research on smart nanomaterials, such as self-sensing and self-healing materials, for enhancing durability and structural health monitoring (SHM) in FRP-based retrofitting is encouraged. Investigations into sustainable practices and eco-friendly alternatives in nanomaterial-enhanced FRP systems for concrete rehabilitation are also welcome.

We invite submissions from academia, industry, and interdisciplinary collaborations to foster innovation and provide practical insights into high-performance and sustainable retrofitting solutions.

Dr. Mohammad Al-Zu'bi
Dr. Rabee Shamass
Prof. Dr. Ahmed M. Ashteyat
Dr. Faris Matalkah
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 semimonthly journal published by MDPI.

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Keywords

  • nanotechnology in structural retrofitting
  • EBR and NSM FRP systems
  • polymer nanocomposites for bonding efficiency
  • nanomaterial-modified epoxy and cement-based adhesives
  • nanomaterial-enhanced cementitious and concrete composites
  • ZnO, carbon-based, and silicon-based nanomaterials
  • smart nanomaterials for FRP retrofitting
  • self-sensing and self-healing materials
  • mechanical performance, microstructural evolution, and hydration kinetics
  • sustainable and eco-friendly FRP retrofitting systems
  • structural health monitoring (SHM) in retrofitting

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Published Papers (1 paper)

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Research

21 pages, 4503 KiB  
Article
Influence of Fast Freeze-Thaw Cycles on the Behavior of Segmental Bridge Shear Key Joints Using Nonlinear Finite Element Analysis
by Bara’a R. Alnemrawi and Rajai Al-Rousan
Buildings 2025, 15(11), 1892; https://doi.org/10.3390/buildings15111892 - 30 May 2025
Abstract
The structural behavior of precast concrete segmental bridges is very important to investigate, and the necessity is increased under the effect of being exposed to severe environmental conditions, such as freezing and thawing cycles. In this study, nonlinear finite element analysis (NLFEA) was [...] Read more.
The structural behavior of precast concrete segmental bridges is very important to investigate, and the necessity is increased under the effect of being exposed to severe environmental conditions, such as freezing and thawing cycles. In this study, nonlinear finite element analysis (NLFEA) was adopted to address the behavior of reinforced shear keys where they were very small and distributed within the overall depth of the connection region. The effect of the amount of lateral confinement was investigated using six values (1, 2, 3, 4, 5, and 6 MPa), along with the effect of different freezing-thawing cycles (0 (undamaged), 100, 200, 300, and 400). Simulation was accomplished using the direct static shear method, where vertical loading was applied. The simulated models were first validated using experimental data from the literature, where the overall structural behavior was captured well. Thirty NLFEA models were simulated, and results were reported in terms of the load-deflection characteristics and the detailed cracking propagation process. It was found that increasing the lateral confinement will increase the shear strength capacity of the confined joint, in addition to increasing the ultimate deflection and initial stiffness values. Furthermore, a new formula was introduced for calculating the shear capacity compared with experimental data, NLFEA results, literature models, and AASHTO predictions, where good matching was observed, with a minor margin error. Full article
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