Fiber-Reinforced High-Performance Concrete for Structural Applications

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 August 2026 | Viewed by 771

Editors


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Guest Editor
Department of Innovation Engineering, University of Salento, 73100 Lecce, Italy
Interests: fiber-reinforced composites; fiber-reinforced polymer; geopolymer; low-carbon cements; retrofitting; composite structures; sustainable; durability

Special Issue Information

Dear Colleagues,

High-performance concrete plays a significant role in the construction industry by enabling considerably slender structures, maintaining the load-carrying capacity, and increasing durability. However, its limited tensile strength capacity and inherent brittleness limit its efficiency and applicability. The inclusion of fibers has emerged as an effective solution to overcome these limitations, leading to the development of fiber-reinforced high-performance concrete (FRHPC) with better strength, crack control, and energy dissipation characteristics.

In recent times, FRHPC has gained popularity for both new structural applications and the repair and retrofitting of existing structures. Advances in materials engineering, fiber optimization, and multi-scale characterization have expanded the applicability of FRHPC to buildings, bridges, and retrofitting systems. At the same time, the durability, sustainability, long-term performance, and design concepts of FRHPC still remain as open research topics.

This Special Issue, titled “Fiber-Reinforced High-Performance Concrete for Structural Applications”, aims to provide a comprehensive platform for disseminating recent advances in the development, characterization, and application of FRHPC in structural engineering. Original research articles, theoretical and experimental studies, numerical modeling research, case studies, and state-of-the-art review papers are invited for possible publication.

Topics of interest for this Special Issue include, but are not limited to, the following:

  • Fiber-reinforced concrete, fabric-reinforced cementitious materials, and aligned and discrete fibers in high-strength cements and mortars;
  • Mechanical behavior and mechanics of FRHPC;
  • Natural, synthetic, and hybrid fibers, including their dosage and influence on structural performance;
  • FRHPC for repair, strengthening, and rehabilitation of reinforced concrete structures;
  • Durability and long-term performance of fiber-reinforced concrete;
  • Sustainability, life-cycle assessments, and low-carbon approaches in FRHPC;
  • Design methodologies and performance-based approaches.

Dr. Shaise John
Dr. Alessio Cascardi
Guest Editors

Manuscript Submission Information

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Keywords

  • fiber-reinforced concrete
  • high-performance concrete
  • fiber-reinforced materials
  • mechanical behavior
  • repair and strengthening
  • structural applications
  • durability and sustainability

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Published Papers (1 paper)

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Research

20 pages, 6108 KB  
Article
Evaluation of Workability Parameters of Straw-Reinforced Earth-Based Materials for Extrusion-Based 3D Printing
by Bushra Danish Talpur, Stefania Liuzzi, Alessandro Cannavale and Francesco Martellotta
Buildings 2026, 16(13), 2588; https://doi.org/10.3390/buildings16132588 - 28 Jun 2026
Viewed by 343
Abstract
Despite increasing interest in earth-based materials for additive manufacturing in construction, limited research has systematically investigated the workability parameters governing their suitability for extrusion-based 3D printing. This study evaluates the influence of wheat straw fiber content on the flowability, pumpability, extrudability, and buildability [...] Read more.
Despite increasing interest in earth-based materials for additive manufacturing in construction, limited research has systematically investigated the workability parameters governing their suitability for extrusion-based 3D printing. This study evaluates the influence of wheat straw fiber content on the flowability, pumpability, extrudability, and buildability of earth-based mixtures for extrusion-based 3D printing applications. Four mixtures containing varying proportions of clay (76–100 wt%), wheat straw fiber (0–20 wt%), additives (0–4 wt%), and water were experimentally assessed and subsequently evaluated for compressive strength. Flowability was determined using modified flow tests; pumpability and extrudability were assessed through manual extrusion tools (triangular bag and grout gun), and buildability was evaluated using a modified compression test measuring green strength. Results showed that increasing the wheat straw fiber content from 5% to 20% reduced the flowability from 31.42% to 11.42%, despite corresponding increases in water content. The SP15 mixture (82% clay, 15% wheat straw fiber, 3% additive, and 35% water) exhibited the most balanced performance, achieving the lowest height reduction (17.14%) during buildability testing and demonstrating superior structural stability and compressive performance. The proposed methodology provides practical guidance for developing printable earth-based materials and supports the adoption of locally available, low-carbon materials in sustainable additive manufacturing for construction. Full article
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