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Advanced Methods for Estimating Mechanical Properties, Constructional and Performance of Fiber-Reinforced Concrete Materials

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

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1718

Special Issue Editor


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Guest Editor
Department of Building Engineering, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Gdansk, Poland
Interests: machine learning; data science; data-driven methods; optimization; seismic design; innovative building materials; retrofitting buildings

Special Issue Information

Dear Colleagues,

Nowadays, artificial intelligence, specifically machine learning methods, can help to provide a surrogate prediction model for estimating the mechanical properties, performance and stability of concrete materials such as high-performance concrete, ultra-high-performance concrete, and alkali-activated ultra-high-performance concrete. Moreover, these data-driven techniques have the potential to be used by civil engineer/designers in various types of structures, bridges, and infrastructures. However, understanding numerous fundamental mechanisms in this field continues to pose a challenge, and the lack of industrial applications remains prevalent, highlighting the gap between theoretical research and real-world implementation in this area.

This Special Issue aims to focus on recent advancements, developments, and emerging trends related to machine learning methods for predicting mechanical properties of both fresh and hardened-state concrete material, long-term performance on the compressive or (tensile) strength of concrete material, and durability of eco-friendly cementitious materials with reduced carbon emissions. We welcome submissions of original research papers and review articles. Topics of interest include, but are not limited to:

  • Innovative Ensemble Machine Learning Model;
  • Data-Driven Techniques;
  • High-Performance Concrete (HPC);
  • Ultra-High-Performance Concrete (UHPC);
  • Alkali-Activated Ultra-High-Performance Concrete (AA-UHPC);
  • Green Concrete;
  • Advancements in Concrete Materials;
  • Fiber-Reinforced Concrete;
  • Fiber-Reinforced Concrete Beam;
  • Recycling and Upcycling in Building Materials;
  • Smart and Responsive Materials for Building;
  • Biocompatible and Biodegradable Building Materials;
  • Low-Carbon Footprint Materials;
  • Nano and Micro Technologies in Construction Materials;
  • Fire-Resistant and Flame-Retardant Concrete Materials;
  • Natural-Fiber-Reinforced Composites;
  • 3D Printing in Construction;
  • Durability and Longevity of Concrete Materials.

Dr. Farzin Kazemi
Guest Editor

Manuscript Submission Information

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Keywords

  • machine learning method
  • data science
  • data-driven techniques
  • mechanical properties
  • concrete materials
  • fiber-reinforced concrete
  • fiber-reinforced concrete beam
  • optimization algorithms
  • construction and building materials

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Published Papers (2 papers)

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Research

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15 pages, 4151 KiB  
Article
Experimental Study on Deep-Drawing Dies Made of Pre-Stressed UHPC
by Katja Holzer, Yuqi Zhang, Lukas Martinitz, Julika Hoyer and Wolfram Volk
Materials 2025, 18(2), 277; https://doi.org/10.3390/ma18020277 - 9 Jan 2025
Viewed by 551
Abstract
Deep drawing is a cost-efficient way of producing sheet metal parts in high production volumes. Prototypes and very small series are expensive due to the cost of steel-forming tools. Ultra-high-performance concrete (UHPC) tools offer a cheap and fast alternative to conventional steel-forming tools. [...] Read more.
Deep drawing is a cost-efficient way of producing sheet metal parts in high production volumes. Prototypes and very small series are expensive due to the cost of steel-forming tools. Ultra-high-performance concrete (UHPC) tools offer a cheap and fast alternative to conventional steel-forming tools. However, the flexural and tensile strength of UHPC limits its use in complex loading situations occurring in the forming die during deep drawing. To overcome this challenge, we propose pre-stressing UHPC by using expansive UHPC in a mechanically restrained condition. An aluminum powder-based expansive agent can be used to induce a free volume increase in UHPC specimens. With push-out test specimens, the increase in strength was tested when restraining the free volume increase with a steel reinforcement. After 3 and 12 months, no notable pre-straining effect could be measured when restraining the expansion of UHPC. Nonetheless, in deep-drawing experiments, the die made of expansive UHPC in a restrained condition withstood a maximal load during deep drawing of 110 kN. Compared to the die made from UHPC only, the failure mode changed from complete fracture to surface degradation of the drawing radius after 15 strokes. Full article
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Review

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33 pages, 11077 KiB  
Review
A Comprehensive Review of Retrofitted Reinforced Concrete Members Utilizing Ultra-High-Performance Fiber-Reinforced Concrete
by Firas Hassan Saeed and Farzad Hejazi
Materials 2025, 18(5), 945; https://doi.org/10.3390/ma18050945 - 21 Feb 2025
Viewed by 604
Abstract
Strengthening reinforced concrete (RC) buildings is a critical challenge in the construction industry, pushed by the necessity to address aging infrastructure, environmental degradation, and growing use requirements. Ultra-high-performance fiber-reinforced concrete (UHPFRC) is one of the advanced materials that present a viable solution owing [...] Read more.
Strengthening reinforced concrete (RC) buildings is a critical challenge in the construction industry, pushed by the necessity to address aging infrastructure, environmental degradation, and growing use requirements. Ultra-high-performance fiber-reinforced concrete (UHPFRC) is one of the advanced materials that present a viable solution owing to its exceptional durability and mechanical characteristics, which encompass higher compressive and tensile strengths, low permeability, and resilience against intense environmental as chloride ingress, cycles of freeze–thaw, and chemical assaults. This literature review comprehensively examines UHPFRC as a rehabilitation or strengthening mix material for the RC slabs and beams. Experimental key subjects include the influence of bonding techniques, strengthening configurations, steel fiber ratios, UHPFRC thickness, and reinforcing steel within the UHPFRC layer. In addition, the existing numerical and analytical approaches for forecasting the flexural or shear capability of reinforcing concrete structures retrofitted with UHPFRC were examined and critically assessed. Despite the improvements in the RC structures achieved through experiments utilizing UHPFRC as a reinforcement layer, this study highlights some deficiencies in the existing knowledge, such as the absence of effective ways to address debonding, insufficient research on cyclic loading, and the necessity for economical and sustainable strengthening techniques. This review establishes a basis for future research, intending to create an innovative UHPFRC-based strengthening system that mitigates current limits and improves the overall efficacy, performance, and durability of RC structures. Full article
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