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High-Performance Concrete: Modification Methods, Sustainability, and Multifunctional Applications—2nd Edition
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High-Performance Concrete: Modification Methods, Sustainability, and Multifunctional Applications—2nd Edition

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

Deadline for manuscript submissions: 30 October 2025 | Viewed by 937

Special Issue Editors

Dr. Yekai Yang

E-Mail Website
Guest Editor
School of Building Engineering and Mechanics, Yanshan University, Qinhuangdao 066004, China
Interests: intelligent construction; 3D printing; concrete material research and development; structural performance
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Weiqiang Wang

E-Mail Website
Guest Editor
College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210024, China
Interests: hydraulic structure; fiber-reinforced polymers; disaster prevention and mitigation
Special Issues, Collections and Topics in MDPI journals
Dr. Yiwei Weng

E-Mail Website
Guest Editor
Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong 999077, China
Interests: 3D concrete printing; sustainable materials
Special Issues, Collections and Topics in MDPI journals
Dr. Zhaoyao Wang

E-Mail Website
Guest Editor
School of Science, Xi’an University of Architecture and Technology, Xi’an 710055, China
Interests: UHPC; high-strength steel bar; steel fiber-reinforced concrete (SFRC); mechanical behavior; fiber pullout behavior
Special Issues, Collections and Topics in MDPI journals
Dr. Qiao Wang

E-Mail Website
Guest Editor
School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
Interests: 3D printing construction; 3D printing concrete; HPC
Special Issues, Collections and Topics in MDPI journals
Dr. Ruizhe Shao

E-Mail Website
Guest Editor
School of Civil and Environmental Engineering, University of Technology Sydney (UTS), Sydney, NSW 2007, Australia
Interests: UHPC; dry UHPC; geopolymer UHPC; eco-friendly concrete; composite structure; impact resistance; damage mechanics; finite element analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

High-performance concrete or ultrahigh-performance concrete (HPC/UHPC) has received extensive attention over the past few decades and, compared to traditional concrete materials, HPC/UHPC not only has extremely good mechanical properties, but also has high ductility. Meanwhile, due to the addition of SCMs and other additives, it has excellent durability. These characteristics make HPC/UHPC suitable for use in a great variety of application scenarios, such as in 3D printing construction, dry concrete construction, protective reinforcement, etc.

Although an increasing amount of research focuses on HPC/UHPC, many challenges and research barriers remain unresolved and require that further innovative exploration be conducted. This Special Issue aims to provide a platform to showcase the latest developments in HPC/UHPC at the material and structural scales.

This Special Issue will publish high-quality original research papers covering, but not limited to, the following fields:

(1) Latest modification methods and mechanism analysis;

(2) Low-carbon, energy-saving, and sustainable concrete;

(3) Three-dimensional printing performance and structural applications;

(4) Multiple application scenarios;

(5) The application of artificial intelligence in high-performance buildings.

Dr. Yekai Yang
Prof. Dr. Weiqiang Wang
Dr. Yiwei Weng
Dr. Zhaoyao Wang
Dr. Qiao Wang
Dr. Ruizhe Shao
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.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 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

  • high-performance concrete
  • modification
  • 3D printing
  • sustainability
  • dry concrete
  • mechanism analysis
  • mechanical property
  • artificial intelligence

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Related Special Issue

Published Papers (2 papers)

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Research

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21 pages, 6620 KiB  
Article
Optimizing Recycled Tunnel Boring Machine (TBM)-Excavated Materials as Aggregates in Shotcrete Mix Design
by Wei Zhang, Rusheng Hao, Zhijun Men, Jingjing He, Yong Zhang and Wei Hu
Buildings 2025, 15(9), 1483; https://doi.org/10.3390/buildings15091483 - 27 Apr 2025
Viewed by 97
Abstract
Tunnel Boring Machine (TBM) excavation materials were recycled by sieving and separating particles into sizes 5–10 mm (coarse aggregates) and below 5 mm (manufactured sand) to explore their potential as aggregates in shotcrete production, with the aim of reducing environmental harm from waste [...] Read more.
Tunnel Boring Machine (TBM) excavation materials were recycled by sieving and separating particles into sizes 5–10 mm (coarse aggregates) and below 5 mm (manufactured sand) to explore their potential as aggregates in shotcrete production, with the aim of reducing environmental harm from waste disposal. Mix proportion experiments were conducted to evaluate the mechanical properties—including failure patterns, compressive strength, flexural strength, and deflection—of the shotcrete specimens through cubic axial compression and four-point bending tests; furthermore, rebound tests were conducted on shotcrete mixed with the recycled TBM aggregates in foundation pit engineering. These tests assessed the effects of key parameters (water–binder ratio, sand ratio, fly ash content, synthetic fibers, and liquid alkali-free accelerator) on shotcrete composed of recycled TBM sand and gravel. The results indicated that crushing and grading flaky TBM-excavated rock fragments, and subsequently blending them with pre-screened fine aggregates in a 4:1 ratio, yielded manufactured sand with an optimized particle gradation and controlled stone powder content (18%). Adjusting the water–binder ratio (0.4–0.5), fly ash dosage (mixed with 0–20%), and sand ratio (0.5–0.6) are feasible steps in preparing shotcrete with a compressive strength of 29.1 MPa to 50.4 MPa and slump of 9 cm to 20 cm. Moreover, the rebound rate of the shotcrete reached 11.3% by applying polyoxymethylene (POM) fibers with a 0.15% volume fraction and a liquid-state alkali-free setting accelerator (8% dosage), demonstrating that the implemented approach enables a decrease in the rebound rate of shotcrete. Full article
(This article belongs to the Special Issue High-Performance Concrete: Modification Methods, Sustainability, and Multifunctional Applications—2nd Edition)
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Review

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33 pages, 4016 KiB  
Review
Advancing Hybrid Fiber-Reinforced Concrete: Performance, Crack Resistance Mechanism, and Future Innovations
by Zehra Funda Akbulut, Taher A. Tawfik, Piotr Smarzewski and Soner Guler
Buildings 2025, 15(8), 1247; https://doi.org/10.3390/buildings15081247 - 10 Apr 2025
Viewed by 734
Abstract
This research investigates the effects of steel (ST) and synthetic (SYN) fibers on the workability and mechanical properties of HPFRC. It also analyzes their influence on the material’s microstructural characteristics. ST fibers improve tensile strength, fracture toughness, and post-cracking performance owing to their [...] Read more.
This research investigates the effects of steel (ST) and synthetic (SYN) fibers on the workability and mechanical properties of HPFRC. It also analyzes their influence on the material’s microstructural characteristics. ST fibers improve tensile strength, fracture toughness, and post-cracking performance owing to their rigidity, mechanical interlocking, and robust adhesion with the matrix. SYN fibers, conversely, mitigate shrinkage-induced micro-cracking, augment ductility, and enhance concrete performance under dynamic stress while exerting negative effects on workability. Hybrid fiber systems, which include ST and SYN fibers, offer synergistic advantages by enhancing fracture management at various scales and augmenting ductility and energy absorption capability. Scanning electron microscopy (SEM) has been crucial in investigating fiber–matrix interactions, elucidating the effects of ST and SYN fibers on hydration, crack-bridging mechanisms, and interfacial bonding. ST fibers establish thick interfacial zones that facilitate effective stress transfer, whereas SYN fibers reduce micro-crack formation and enhance long-term durability. Nonetheless, research deficiencies persist, encompassing optimal hybrid fiber configurations, the enduring performance of fiber-reinforced concrete (FRC), and sustainable fiber substitutes. Future investigations should examine multi-scale reinforcing techniques, intelligent fibers for structural health assessment, and sustainable fiber alternatives. The standardization of testing methodologies and cost–benefit analyses is essential to promote industrial deployment. This review offers a thorough synthesis of the existing knowledge, emphasizing advancements and potential to enhance HPFRC for high-performance and sustainable construction applications. The findings facilitate the development of new, durable, and resilient fiber-reinforced concrete systems by solving current difficulties. Full article
(This article belongs to the Special Issue High-Performance Concrete: Modification Methods, Sustainability, and Multifunctional Applications—2nd Edition)
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