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Eco-Friendly Intelligent Infrastructures Materials
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Eco-Friendly Intelligent Infrastructures Materials

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

Deadline for manuscript submissions: 20 August 2025 | Viewed by 1814

Special Issue Editors

Dr. Yingxue Zou

E-Mail Website
Guest Editor
School of Automobile and Traffic Engineering, Wuhan University of Science and Technology, Wuhan, China
Interests: pavement performance prediction; pavement performance improvement technology; recycled asphalt pavement
Dr. Lei Zhang

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Chang’an University, Xi'an, China
Interests: self-healing asphalt; functional asphalt pavement design; recycled asphalt pavement
Dr. Chao Yang

E-Mail Website
Guest Editor
School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan, China
Interests: recycled asphalt materials; self-healing pavement materials; high-value utilization of solid waste
Dr. Jianan Liu

E-Mail Website
Guest Editor
School of Mines, China University of Mining & Technology, Xuzhou, China
Interests: solid waste utilization; functional pavement materials; microwave-healing asphalt mixture; asphalt modifying technology
Dr. Feng Wang

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Chang'an University, Xi'an, China
Interests: environmentally friendly pavement; low-carbon asphalt pavement; high performance asphalt mixture; aggregate morphology

Special Issue Information

Dear Colleagues,

As global urbanization accelerates, the integration of intelligent functionalities into ecological principles becomes imperative to mitigate environmental impact and enhance infrastructural resilience. Eco-Friendly Intelligent Infrastructure Materials are the key to promoting sustainable and adaptive infrastructure.

This Special Issue will cover new findings in the field of Eco-Friendly Intelligent Infrastructure Materials, including carbon emission analysis, life cycle analysis, bio-rejuvenator, regeneration of rap, non-destructive diagnosis, self-healing technologies, numerical simulation, damage mechanism of asphalt mixture, building information modeling, intelligent transportation systems, etc.

This Special Issue aims to consolidate cutting-edge advancements in these areas, fostering interdisciplinary collaborations and innovative thinking.

We are pleased to invite you to submit a manuscript(s) for this Special Issue, highlighting novel methodologies, experimental results, and theoretical insights that propel the field towards more sustainable and intelligent infrastructure futures.

Dr. Yingxue Zou
Dr. Lei Zhang
Dr. Chao Yang
Dr. Jianan Liu
Dr. Feng Wang
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. 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

  • carbon emission analysis
  • life cycle analysis
  • bio-rejuvenator
  • regeneration of RAP
  • non-destructive diagnosis
  • self-healing technologies
  • numerical simulation
  • damage mechanism of asphalt mixture
  • building information modeling
  • intelligent transportation systems

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

Published Papers (3 papers)

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Research

15 pages, 4515 KiB  
Article
Synthesis of Poly(butylene succinate) Catalyzed by Tetrabutyl Titanate and Supported by Activated Carbon
by Miao Chen, Guangxu Zhang and Ruolin Wang
Materials 2025, 18(6), 1315; https://doi.org/10.3390/ma18061315 - 17 Mar 2025
Viewed by 442
Abstract
Polybutylene succinate (PBS) is a biodegradable aliphatic polyester with excellent thermal stability, mechanical properties, and processability. The synthesis of PBS typically employs titanium-based catalysts like tetrabutyl titanate (TBT) to accelerate the reaction. However, TBT acts as a homogeneous catalyst and is non-recyclable. This [...] Read more.
Polybutylene succinate (PBS) is a biodegradable aliphatic polyester with excellent thermal stability, mechanical properties, and processability. The synthesis of PBS typically employs titanium-based catalysts like tetrabutyl titanate (TBT) to accelerate the reaction. However, TBT acts as a homogeneous catalyst and is non-recyclable. This study aims to minimize the cost of recovering liquid TBT catalyst during PBS synthesis by using TBT-loaded activated carbon for direct esterification and optimizing the process conditions. The catalyst was analyzed using inductively coupled plasma emission spectroscopy, automated specific surface area and pore size analysis, X-ray diffraction, and Fourier-transform infrared spectroscopy. The product was evaluated through infrared spectroscopy, nuclear magnetic resonance hydrogen spectra, and gel permeation chromatography. The optimal process parameters were determined to be an esterification temperature of 170 °C, a polycondensation temperature of 235 °C, an acid-to-alcohol molar ratio of 1:1.2, a catalyst amount of 0.06 g, and a dehydration time of 3 h. Under these conditions, the weight-average molecular weight of PBS reached 47,655, reducing the catalyst usage from 0.5% to 0.3%, resulting in a 24.7% increase in catalytic efficiency compared to TBT, significantly lowering costs. After five cycles of reuse, the weight-average molecular weight of the product remained above 35,000. This study demonstrates that TBT-loaded activated carbon exhibits superior catalytic performance, offering a cost-effective and efficient method for industrial PBS production with broad application potential. Full article
(This article belongs to the Special Issue Eco-Friendly Intelligent Infrastructures Materials)
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19 pages, 8063 KiB  
Article
Analysis of the Motion Characteristics of Coarse Aggregate Simulated by Smart Aggregate During the Compaction Process
by Xiaofeng Wang, Feng Wang, Xiang Li, Shenghao Guo and Yi Zhou
Materials 2025, 18(5), 1143; https://doi.org/10.3390/ma18051143 - 4 Mar 2025
Viewed by 470
Abstract
Asphalt pavement has become a vital component of modern highway construction due to its high wear resistance, short construction period, economic viability, and excellent skid resistance. However, increasing traffic volume has heightened the structural performance requirements of asphalt pavement, especially during compaction. The [...] Read more.
Asphalt pavement has become a vital component of modern highway construction due to its high wear resistance, short construction period, economic viability, and excellent skid resistance. However, increasing traffic volume has heightened the structural performance requirements of asphalt pavement, especially during compaction. The compaction degree of asphalt mixtures has emerged as a key indicator for assessing construction quality. This study explores the relationship between the internal structural evolution of asphalt mixtures and their compaction performance, focusing on the motion behavior of coarse aggregates. To achieve this, a wireless smart aggregate was developed using 3D printing technology to simulate coarse aggregate motion and enable real-time monitoring during compaction. Compaction experiments, including Superpave gyratory compaction and wheel rolling, were conducted on asphalt mixtures with different gradations (e.g., AC-13 and AC-20). The dynamic responses of smart aggregates were analyzed to identify motion patterns. The results show that the Superpave gyratory compaction method more accurately replicates aggregate motion observed in road construction. Additionally, asphalt mixture gradation significantly affects the motion behavior of coarse aggregates. This study provides insights into the microscale motion of coarse aggregates and its connection to compaction performance, contributing to improved asphalt pavement quality and efficiency. Full article
(This article belongs to the Special Issue Eco-Friendly Intelligent Infrastructures Materials)
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14 pages, 5967 KiB  
Article
Effect of Wet-Ground Silica Fume on High-Strength Steam-Cured Cement Concrete
by Shiheng Wang, Peng Zhao and Yaogang Tian
Materials 2025, 18(5), 1105; https://doi.org/10.3390/ma18051105 - 28 Feb 2025
Viewed by 487
Abstract
In order to improve the dispersion state of silica fume (SF) in cement concrete, accelerate the hydration rate of high-strength steam-cured cement concrete, and reduce production costs. In this paper, SF was made into a wet-ground silica fume (WSF) suspension solution through a [...] Read more.
In order to improve the dispersion state of silica fume (SF) in cement concrete, accelerate the hydration rate of high-strength steam-cured cement concrete, and reduce production costs. In this paper, SF was made into a wet-ground silica fume (WSF) suspension solution through a wet grinding process and was applied to high-strength steam-cured concrete to replace the SF so as to improve the difficult dispersion of the inner SF and enhance the compressive strength of concrete. The physical and chemical properties of WSF were studied by XRD, SEM, and ZETA potential, and its effects on the mechanical properties, hydration development, and microstructure of cement concrete were studied using XRD, SEM, TG, BET, and NMR. The results show that SF mixed with water is transformed into a kind of suspension solution by wet grinding. After adding WSF, the compressive strength of concrete at 1 d increases when the substitution of WSF increases. Compared with SF-0, the 1 d compressive strength of SF-1 and SF-2 increased by 9.2% and 12.9%. When the WSF substitution was greater than 50%, the compressive strength of concrete did not improve significantly; the 1 d compressive strength of SF-3 and SF-4 is 14.3% and 15.4% higher than SF-0. With the increase in WSF substitution, the porosity of concrete at 1 d decreases, and the structure becomes denser. XRD, TG, and NMR analyses show that WSF can promote the hydration development of cement to form a C-S-H gel. As the amount of WSF substitution increases, its effect on the cement hydration reaction increases first and then tends to be flat. Full article
(This article belongs to the Special Issue Eco-Friendly Intelligent Infrastructures Materials)
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