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High Performance of Fiber Reinforced Cementitious Composites
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High Performance of Fiber Reinforced Cementitious Composites

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

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 7246

Special Issue Editor

Prof. Dr. Alessandro P. Fantilli

E-Mail Website
Guest Editor
Politecnico di Torino – DISEG, 10129 Torino, Italy
Interests: building materials; construction materials; sustainable construction; concrete; reinforced concrete; concrete structures; structural design; high performance concrete

Special Issue Information

Dear Colleagues,

The performance of cement-based concrete, the most used man-made material, is being improved all the time. By improving the performance, both the sustainability and the resilience of concrete structures increase as well. Fiber-reinforced concrete, which contains discontinuous and randomly dispersed fibers, is largely used to enhance the performance of plain concrete. In addition, with the presence of fibers, some intrinsic deficiencies of conventional concrete (e.g., shrinkage cracking, spalling in presence of high temperature, etc.) are mitigated or eliminated.

The forthcoming Special Issue of Materials recognizes the current state of knowledge and development in achieving high performances by using fiber-reinforced concrete. It is our pleasure to invite you to submit your research article, communication, or review concerning the following aspects:

  • Tailoring the fiber-reinforced concrete to fulfill required performances
  • Measuring the high-performances of fresh and hardened fiber-reinforced concrete;
  • Designing structural elements made with high-performance fiber-reinforced concrete;
  • Assessing the durability and environmental impact of cement-based materials and structures, when high-performance fiber-reinforced concrete is used.

Prof. Dr. Alessandro P. Fantilli
Guest Editor

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. 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 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 fiber-reinforced cementitious composites
  • Material design
  • Structural design
  • Test methods
  • Fresh properties
  • Mechanical properties
  • Durability
  • Environmental assessment
  • Strain hardening
  • Performance-based design
  • Manufacturing
  • Application

Published Papers (3 papers)

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Research

12 pages, 3519 KiB  
Article
Study on Toughening and Temperature Sensitivity of Polyurethane Cement (PUC)
by Ning Hou, Jin Li, Xiang Li, Yongshu Cui, Dalu Xiong and Xinzhuang Cui
Materials 2022, 15(12), 4318; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15124318 - 18 Jun 2022
Cited by 3 | Viewed by 1143
Abstract
Polyurethane cement (PUC) is now commonly used in the reinforcement of old bridges, which exhibit various issues such as poor toughness, temperature-sensitive mechanical properties, and brittle failure. These problems can lead to the failure of the reinforcement effect of the PUC on old [...] Read more.
Polyurethane cement (PUC) is now commonly used in the reinforcement of old bridges, which exhibit various issues such as poor toughness, temperature-sensitive mechanical properties, and brittle failure. These problems can lead to the failure of the reinforcement effect of the PUC on old bridges in certain operating environments, leading to the collapse of such reinforced bridges. In order to alleviate these shortcomings, in this study, the toughness of PUC is improved by adding polyvinyl alcohol (PVA) fiber, carbon fiber, and steel fiber. In addition, we study the change law of the flexural strength of PUC between −40 °C and +40 °C. The control parameters evaluated are fiber type, fiber volume ratio, and temperature. A series of flexural tests and scanning electron microscope (SEM) test results show that the flexural strength first increases and then decreases with the increase in the volume-doping ratio of the three fibers. The optimum volume-mixing ratios of polyvinyl alcohol (PVA) fiber, carbon fiber, and steel fiber are 0.3%, 0.04% and 1%, respectively. Excessive addition of fiber will affect the operability and will adversely affect the mechanical properties. The flexural strength of both fiber-reinforced and control samples decreases with increasing temperature. Using the flexural test results, a two-factor (fiber content, temperature) BP neural network flexural strength prediction model is established. It is verified that the model is effective and accurate, and the experimental value and the predicted value are in good agreement. Full article
(This article belongs to the Special Issue High Performance of Fiber Reinforced Cementitious Composites)
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14 pages, 3506 KiB  
Article
Numerical Simulation of the Fracture Behavior of High-Performance Fiber-Reinforced Concrete by Using a Cohesive Crack-Based Inverse Analysis
by Alejandro Enfedaque, Marcos G. Alberti, Jaime C. Gálvez and Pedro Cabanas
Materials 2022, 15(1), 71; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15010071 - 23 Dec 2021
Cited by 1 | Viewed by 2004
Abstract
Fiber-reinforced concrete (FRC) has become an alternative for structural applications due its outstanding mechanical properties. The appearance of new types of fibres and the fibre cocktails that can be configured by mixing them has created FRC that clearly exceeds the minimum mechanical properties [...] Read more.
Fiber-reinforced concrete (FRC) has become an alternative for structural applications due its outstanding mechanical properties. The appearance of new types of fibres and the fibre cocktails that can be configured by mixing them has created FRC that clearly exceeds the minimum mechanical properties required in the standards. Consequently, in order to take full advantage of the contribution of the fibres in construction projects, it is of interest to have constitutive models that simulate the behaviour of the materials. This study aimed to simulate the fracture behaviour of five types of FRC, three with steel fibres, one with a combination of two types of steel fibers, and one with a combination of polyolefin fibres and two types of steel fibres, by means of an inverse analysis based on the cohesive crack approach. The results of the numerical simulations defined the softening functions of each FRC formulation and have pointed out the synergies that are created through use of fibre cocktails. The information supplied can be of help to engineers in designing structures with high-performance FRC. Full article
(This article belongs to the Special Issue High Performance of Fiber Reinforced Cementitious Composites)
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24 pages, 13858 KiB  
Article
The Mechanical Properties and Damage Evolution of UHPC Reinforced with Glass Fibers and High-Performance Polypropylene Fibers
by Jiayuan He, Weizhen Chen, Boshan Zhang, Jiangjiang Yu and Hang Liu
Materials 2021, 14(9), 2455; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14092455 - 09 May 2021
Cited by 20 | Viewed by 3258
Abstract
Due to the sharp and corrosion-prone features of steel fibers, there is a demand for ultra-high-performance concrete (UHPC) reinforced with nonmetallic fibers. In this paper, glass fiber (GF) and the high-performance polypropylene (HPP) fiber were selected to prepare UHPC, and the effects of [...] Read more.
Due to the sharp and corrosion-prone features of steel fibers, there is a demand for ultra-high-performance concrete (UHPC) reinforced with nonmetallic fibers. In this paper, glass fiber (GF) and the high-performance polypropylene (HPP) fiber were selected to prepare UHPC, and the effects of different fibers on the compressive, tensile and bending properties of UHPC were investigated, experimentally and numerically. Then, the damage evolution of UHPC was further studied numerically, adopting the concrete damaged plasticity (CDP) model. The difference between the simulation values and experimental values was within 5.0%, verifying the reliability of the numerical model. The results indicate that 2.0% fiber content in UHPC provides better mechanical properties. In addition, the glass fiber was more significant in strengthening the effect. Compared with HPP-UHPC, the compressive, tensile and flexural strength of GF-UHPC increased by about 20%, 30% and 40%, respectively. However, the flexural toughness indexes I5, I10 and I20 of HPP-UHPC were about 1.2, 2.0 and 3.8 times those of GF-UHPC, respectively, showing that the toughening effect of the HPP fiber is better. Full article
(This article belongs to the Special Issue High Performance of Fiber Reinforced Cementitious Composites)
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