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Special Issue "Advanced Fiber-Reinforced Concrete Composites"

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

Deadline for manuscript submissions: 31 March 2020

Special Issue Editor

Guest Editor
Prof. Dr. Bang Yeon Lee

School of Architecture, Chonnam National University
Website | E-Mail
Interests: high-performance fiber-reinforced inorganic composite; self-healing composite; high-damping material; image-processing technique; artificial neural network

Special Issue Information

Dear Colleagues,

It is possible to improve the inherent brittleness and crack control ability of normal concrete by incorporating discrete fibers into concrete. Fiber-reinforced concrete is recognized as a high-performance construction material because of its high toughness levels under compressive and tensile loads. Therefore, it is widely used in high-rise buildings, tunnels, bridges, and pre-cast structures. Societal demands have increased the need for advanced fiber-reinforced concrete composites with ultra-high performance or multifunctionality, such as self-healing, self-sensing, self-cleaning, and self-regulating.

This Special Issue focuses on the emerging concepts that allow the design of new or improved fiber-reinforced concrete composites, as well as on the characterization of the properties of advanced fiber-reinforced concrete composites.

Authoritative review articles and original research papers describing recent findings in the field of advanced fiber-reinforced concrete composite are expected to cover a range of topics.

Potential topics include, but are not limited to:

  • Advanced fiber-reinforced concrete composites
  • Multifunctional fiber-reinforced concrete composites
  • Ultra-high-performance fiber-reinforced concretes
  • Advanced fiber-reinforced cement-free composites
  • Nano-fiber-reinforced concrete composites
  • Characterization of properties
  • Strain-hardening behavior
  • Multiple microcracks
  • Fiber-bridging behavior
  • Structural application of advanced fiber-reinfoced concrete composites

I hope that new ideas will promote the fast development of the exciting area of advanced fiber-reinforced concrete composites. I invite you to contribute to this Special Issue by submitting papers on your best research activities.

Prof. Dr. Bang Yeon Lee
Guest Editor

Manuscript Submission Information

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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. Materials 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 1800 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

  • advanced fiber-reinfoced concrete composite
  • multifunctional fiber-reinfoced concrete composite
  • micromechanical characterization of composites
  • structural application of advanced fiber-reinfoced concrete composite
  • nano-fiber-reinfoced concrete composite

Published Papers (3 papers)

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Research

Open AccessArticle
Investigation of the Match Relation between Steel Fiber and High-Strength Concrete Matrix in Reactive Powder Concrete
Materials 2019, 12(11), 1751; https://doi.org/10.3390/ma12111751
Received: 6 May 2019 / Revised: 27 May 2019 / Accepted: 28 May 2019 / Published: 29 May 2019
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Abstract
This study investigated the strength and toughness of reactive powder concrete (RPC) made with various steel fiber lengths and concrete strengths. The results indicated that among RPC samples with strength of 150 MPa, RPC reinforced with long steel fibers had the highest compressive [...] Read more.
This study investigated the strength and toughness of reactive powder concrete (RPC) made with various steel fiber lengths and concrete strengths. The results indicated that among RPC samples with strength of 150 MPa, RPC reinforced with long steel fibers had the highest compressive strength, peak strength, and toughness. Among the RPC samples with strength of 270 MPa, RPC reinforced with short steel fibers had the highest compressive strength, and peak strength, while RPC reinforced with medium-length steel fibers had the highest toughness. As a result of the higher bond adhesion between fibers and ultra-high-strength RPC matrix, long steel fibers were more effective for the reinforcement of RPC with strength of 150 MPa, while short steel fibers were more effective for the reinforcement of RPC with strength of 270 MPa. Full article
(This article belongs to the Special Issue Advanced Fiber-Reinforced Concrete Composites)
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Figure 1

Open AccessArticle
Multi-Objective Optimization Design and Test of Compound Diatomite and Basalt Fiber Asphalt Mixture
Materials 2019, 12(9), 1461; https://doi.org/10.3390/ma12091461
Received: 15 April 2019 / Revised: 3 May 2019 / Accepted: 5 May 2019 / Published: 6 May 2019
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Abstract
This study focuses on improving the performance of asphalt mixture at low- and high- temperature and analyzing the effect of diatomite and basalt fiber on the performance of the asphalt mixture. Based on the L16(45) orthogonal experimental design (OED), [...] Read more.
This study focuses on improving the performance of asphalt mixture at low- and high- temperature and analyzing the effect of diatomite and basalt fiber on the performance of the asphalt mixture. Based on the L16(45) orthogonal experimental design (OED), the content of diatomite (D) and basalt fiber (B) and the asphalt-aggregate (A) ratio were selected as contributing factors, and each contributing factor corresponded to four levels. Bulk volume density (γf), volume of air voids (VV), voids filled with asphalt (VFA), Marshall stability (MS) and splitting strength at −10 °C (Sb) were taken as the evaluation indexes. According to the results of the orthogonal experiment, the range analysis and variance analysis were used to study the effect of the diatomite content, basalt fiber content and asphalt-aggregate ratio on the performance of the asphalt mixture, and the grey correlation grade analysis (GCGA) was used to obtain the optimal mixing scheme. Furthermore, the performance tests were conducted to evaluate the performance improvement of asphalt mixtures with diatomite and basalt fibers, and the scanning electron microscopy (SEM) tests were carried out to analyze the mechanism of diatomite and basalt fibers in asphalt mixtures. The results revealed that the addition of diatomite and basalt fiber can significantly increase the VV of asphalt mixture, and reduce γf and VFA; the optimal performance of the asphalt mixture at high- and low-temperature are achieved with 14% diatomite, 0.32% basalt fibers and 5.45% asphalt-aggregate ratio. Moreover, the porous structure of diatomite and the overlapping network of basalt fibers are the main reasons for improving the performance of asphalt mixture. Full article
(This article belongs to the Special Issue Advanced Fiber-Reinforced Concrete Composites)
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Figure 1

Open AccessArticle
Stress–Strain Properties and Gas Permeability Evolution of Hybrid Fiber Engineered Cementitious Composites in the Process of Compression
Materials 2019, 12(9), 1382; https://doi.org/10.3390/ma12091382
Received: 9 April 2019 / Revised: 26 April 2019 / Accepted: 26 April 2019 / Published: 28 April 2019
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Abstract
Polyvinyl alcohol (PVA)-steel hybrid fiber reinforced engineered cementitious composites (ECC) characterized by optimal combination of high strength and high ductility were developed recently. These composites exhibit even tighter crack width than normal ECC, showing great potential for lower permeability in cracked state, and [...] Read more.
Polyvinyl alcohol (PVA)-steel hybrid fiber reinforced engineered cementitious composites (ECC) characterized by optimal combination of high strength and high ductility were developed recently. These composites exhibit even tighter crack width than normal ECC, showing great potential for lower permeability in cracked state, and consequently improving the durability of ECC structures. In addition, the wide variety of promising applications in underground or hydraulic structures calls for knowledge on the mechanical behavior and corresponding permeability properties of strained ECC under multiaxial stress, as they are essential for structural analysis and durability design. Experimental investigations into the compressive properties and the in-situ gas permeability of PVA-steel hybrid fiber ECC were performed in this study, with special focus on the impact of additional steel fiber content and confining pressure. The test results show that the presence of a low confinement level allows ECC to attain a substantial improvement on compressive behavior but impairs the enhancement efficiency of additional steel fiber. The permeability evolution of strained ECC corresponds to the variation of radial strains, both of which experience little change below the threshold stress but a rapid increase beyond the peak axial strain. Apart from exhibiting low permeability at relatively small strains in the pre-peak stage, ECC can also exhibit low permeability at higher levels of compressive strain up to 2.0%. However, unlike the case in tensile loading, impermeability of cracked ECC in compression would be weakened by additional steel fibers, especially in the post-peak stage. The present research is expected to provide insight into performance-based durability design of structures made of or strengthened with ECC. Full article
(This article belongs to the Special Issue Advanced Fiber-Reinforced Concrete Composites)
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