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New Concrete Materials: Performance Analysis and Research—2nd Edition
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New Concrete Materials: Performance Analysis and Research—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 June 2025 | Viewed by 2990

Special Issue Editor

Dr. Zhe Xiong

E-Mail Website
Guest Editor
School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
Interests: recycled aggregate concrete; fiber-reinforced concrete; durability; microstructure; performance in aggressive environments
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the development of civil engineering, the requirements for concrete performance are also increasing. In order to meet the usage requirements, researchers have continuously developed new concrete materials with higher strength and better durability. The rational use of new concrete materials can greatly improve the quality of civil engineering projects. New concrete materials play a very important role in reducing costs, increasing service life, and promoting environmental protection. Through microscopic analysis (e.g., scanning electron microscopy, X-ray diffraction, and so on), it is possible to gain a deeper understanding of the mechanical properties and failure mechanisms of new concrete materials.

Several relevant studies have already been published in the first volume of this Special Issue. You can find them at the following link: [https://www.mdpi.com/journal/buildings/special_issues/3I866IYAH7].

This Special Issue aims to encourage scientists and researchers to publish their experimental and theoretical findings or solutions on new concrete materials. Research areas may include (but are not limited to) the following:

  • Recycled concrete;
  • Modified concrete;
  • Ultra-high-performance concrete;
  • Mechanical properties;
  • Durability;
  • Low-carbon materials;

We look forward to receiving your contributions.

Dr. Zhe Xiong
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. 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

  • recycled concrete
  • modified concrete
  • ultra-high performance concrete
  • mechanical properties
  • durability
  • low carbon
  • microstructure

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Further information on MDPI's Special Issue policies can be found here.

Related Special Issue

Published Papers (4 papers)

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Research

18 pages, 13186 KiB  
Article
The Effect of Cementitious Capillary Crystalline Waterproof Materials on the Hydration, Microstructure, and Mechanical Properties of Cement Pastes
by Zhonglin Li, Lijuan Li, Hailong Guo, Zhu Yang and Baifa Zhang
Buildings 2025, 15(6), 955; https://doi.org/10.3390/buildings15060955 - 18 Mar 2025
Viewed by 220
Abstract
To apply the cementitious capillary crystalline waterproof materials (CCCWs) in real engineering practice, the mechanical properties and related mechanism of cement after adding CCCW are investigated in this study. By using a combination of techniques including X-ray diffraction, Fourier-transform infrared spectroscopy, thermogravimetric analysis, [...] Read more.
To apply the cementitious capillary crystalline waterproof materials (CCCWs) in real engineering practice, the mechanical properties and related mechanism of cement after adding CCCW are investigated in this study. By using a combination of techniques including X-ray diffraction, Fourier-transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, and mercury intrusion porosimetry, the effect of Penetron (PNC, a kind of CCCW) content on the microstructure and compressive strength of cement with different water-to-bind (w/b) ratio were studied. The results show that the high-water content definitely decreased the mechanical properties of cement pastes. The addition of PNC appeared to play a detrimental role in the 7 d compressive strength due to the lower reactivity of PNC than cement. As the PNC content increased from 0% to 1.5%, the 28 d compressive strength of cement pastes increased despite the w/b ratio. For cement pastes with a w/b ratio of 0.50, its 28 d compressive strength increased from 24.6 MPa to 32.9 MPa. This can be attributed to the sulfate/carbonate-containing species in PNC to react with cement to form suitable ettringite. Consequently, the microstructure became denser, and porosity decreased. As PNC content increased to a further 2.5%, the compressive strength of cement pastes decreased gradually. The excessive PNC caused the excess ettringite, which destroyed the microstructure and increased the porosity of cement pastes. This study demonstrated that the PNC and its dosage affected the microstructure and the mechanical properties of cement paste. Suitable content, normally 1.5%, is recommended to apply in cement paste considering the mechanical properties despite the w/b ratio. Full article
(This article belongs to the Special Issue New Concrete Materials: Performance Analysis and Research—2nd Edition)
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19 pages, 9400 KiB  
Article
Investigating the Mechanical Properties and Water Permeability of Recycled Pervious Concrete Using Three Typical Gradation Schemes
by Hongjie Lv, Zhe Xiong, Huawei Li, Jia Liu, Gang Xu and Haofan Chen
Buildings 2025, 15(3), 358; https://doi.org/10.3390/buildings15030358 - 24 Jan 2025
Cited by 4 | Viewed by 884
Abstract
This study aims to investigate the influence of three typical gradation schemes, including continuous gradation, discontinuous gradation, and single gradation, on the mechanical properties and water permeability of pervious concrete using recycled coarse aggregate (RCA) as aggregates. The changes in compressive strength, flexural [...] Read more.
This study aims to investigate the influence of three typical gradation schemes, including continuous gradation, discontinuous gradation, and single gradation, on the mechanical properties and water permeability of pervious concrete using recycled coarse aggregate (RCA) as aggregates. The changes in compressive strength, flexural strength, failure mode, connected porosity, and permeability coefficient of Recycled Pervious Concrete (RPC) using different gradation schemes and the correlations among these factors were investigated. The results indicate that the RPC prepared with discontinuous gradation RCA achieves optimal compressive and flexural strengths of 15.70 MPa and 4.22 MPa, respectively. Furthermore, RPC with discontinuous gradation and single gradation exhibits superior water permeability compared to that made with continuous gradation RCA, and its optimal range of the permeability coefficient can reach between 6.36 and 8.32 mm·s−1. The RPC prepared using multi-gradation RCA is effective in enhancing the stability of changes in connected porosity and permeability coefficients. Furthermore, the relationship between connected porosity and permeability coefficients of RPC using different gradation schemes can be effectively characterized through nonlinear fitting, and the correlation coefficients R2 of RPC using continuous gradation, discontinuous gradation, and single gradation are 0.94, 0.92, and 0.90, respectively. This study focuses on the influence of several typical gradation schemes on RPC performance and provides valuable data support for further optimization of its properties. Full article
(This article belongs to the Special Issue New Concrete Materials: Performance Analysis and Research—2nd Edition)
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20 pages, 5358 KiB  
Article
Flexural Behaviour of Non-Autoclaved Pre-Stressed High-Strength Concrete Pipe Piles with Different Rubber Contents
by Jiahao Wen, Feng Liu, Fei Yang, Dawei Chen, Jia Liu, Gang Xu, Haofan Chen, Xu Liang, Guangcheng Ding and Xiaohui Li
Buildings 2025, 15(1), 12; https://doi.org/10.3390/buildings15010012 - 24 Dec 2024
Viewed by 590
Abstract
Non-autoclaved pre-stressed high-strength rubber-modified concrete (NA-PHRC) pipe piles were developed to address the high energy consumption and brittleness of existing pre-stressed high-strength concrete (PHC) pipe piles. The comparative flexural test results showed that the deformation capacity of NA-PHRC pipe piles improved, which was [...] Read more.
Non-autoclaved pre-stressed high-strength rubber-modified concrete (NA-PHRC) pipe piles were developed to address the high energy consumption and brittleness of existing pre-stressed high-strength concrete (PHC) pipe piles. The comparative flexural test results showed that the deformation capacity of NA-PHRC pipe piles improved, which was correlated with the rubber content. However, both the cracking moment and the ultimate moment decreased. When the rubber content is 5% and 10%, the cracking moment decreases by 3.85% and 7.69%, respectively, while the ultimate moment decreases by 3.75% and 7.28%. Additionally, the theoretical calculation results of the influence of rubber on the cracking and ultimate moments were consistent with the experimental results. Thus, this innovative NA-PHRC pipe pile can be applied in environments that require high durability. Full article
(This article belongs to the Special Issue New Concrete Materials: Performance Analysis and Research—2nd Edition)
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18 pages, 4691 KiB  
Article
Effects of Steel and Glass Fibers on the Compressive Behavior of Rubberized Concrete: An Experimental Study and Constitutive Modeling
by Hongjie Lv, Lijuan Li, Weiping Zhu, Xiaohui Li, Daochu Wang, Zao Ling, Pandeng Feng and Feng Liu
Buildings 2024, 14(11), 3474; https://doi.org/10.3390/buildings14113474 - 30 Oct 2024
Viewed by 988
Abstract
Rubberized concrete exhibits enhanced toughness and sustainability but suffers from reduced mechanical strength, limiting its applications. This study enhanced the compressive strength of rubberized concrete using hybrid steel/glass fibers. The results showed a positive synergy between the hybrid fibers, with improvements in compressive [...] Read more.
Rubberized concrete exhibits enhanced toughness and sustainability but suffers from reduced mechanical strength, limiting its applications. This study enhanced the compressive strength of rubberized concrete using hybrid steel/glass fibers. The results showed a positive synergy between the hybrid fibers, with improvements in compressive strength, elastic modulus, Poisson’s ratio, peak strain, and compressive toughness by 16.1%, 19.4%, 32.0%, 63.4%, and 101.7%, respectively, at a hybrid fiber content of 0.8% (steel fiber 0.6% and glass fiber 0.2%). A well-fitting stress–strain model was adopted for future constitutive simulations. This study advances the understanding of rubberized concrete with hybrid steel/glass fibers under axial compression and promotes its application in structural engineering. Full article
(This article belongs to the Special Issue New Concrete Materials: Performance Analysis and Research—2nd Edition)
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