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Research on Advanced Materials in Road Engineering
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Research on Advanced Materials in Road Engineering

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

Deadline for manuscript submissions: closed (31 October 2024) | Viewed by 6752

Special Issue Editors

Dr. Canlin Zhang

E-Mail Website
Guest Editor
College of Civil Engineering, Fuzhou University, Fuzhou 350116, China
Interests: assembly design and application of high-performance engineering materials; utilization of industrial solid waste; road disaster prevention and maintenance; long-life asphalt pavement
Prof. Dr. Xinxing Zhou

E-Mail Website
Guest Editor
Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030031, China
Interests: materials in civil and environment engineering; asphalt; concrete; biochar; bio-oil; RAP; grouting materials; life cycle assessment (LCA)
Special Issues, Collections and Topics in MDPI journals
Dr. Zhengang Feng

E-Mail Website
Guest Editor
School of Highway, Chang’an University, Xi’an 710064, China
Interests: pavement materials; road engineering; recycling of waste construction materials; advanced testing techniques for pavement materials; composite materials
Dr. Zhilong Cao

E-Mail Website
Guest Editor
Department of Road and Railway Engineering, Beijing University of Technology, Beijing 100124, China
Interests: green construction materials; pavement material modification and life extension; functional low-carbon pavement
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Materials are among the most basic and important elements in road engineering. The quality and performance of materials are directly related to the standard of the entire road engineering industry. With the development of science and technology, new engineering materials are emerging in the field of road engineering. Additionally, the shortcomings of the original material technology of road engineering have been effectively solved, further enhancing the reliability and safety of road engineering.

In recent years, some additional functions have become required of the engineering materials, such as being greener, offering greater environmental protection, intelligence, having less carbon emissions, etc. Based on this, the primary aim of this Special Issue is to collect and spread the recent progress and novel trends in the theory and application of advanced materials in road engineering.

We invite authors to contribute original research, theoretical and experimental work, case studies, and comprehensive review papers that enhance the use of advanced technologies and application of materials in road engineering. Relevant topics to this Special Issue include, but are not limited to, the following subjects: the design and application of multifunctional material; waste material utilization; low-carbon-emission materials; long-life materials; green environmental protection material; and novel characterization of materials.

Dr. Canlin Zhang
Prof. Dr. Xinxing Zhou
Dr. Zhengang Feng
Dr. Zhilong Cao
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 monthly 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

  • material design
  • waste materials utilization
  • low-carbon emission
  • life cycle assessment
  • green environmental protection
  • multiscale characterization
  • grouting materials
  • pavement material modification and life extension
  • cement
  • asphalt
  • road engineering

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

Published Papers (6 papers)

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Research

17 pages, 5080 KiB  
Article
Study on Rheological Properties of Waste Cooking Oil and Organic Montmorillonite Composite Recycled Asphalt
by Cheng Xie, Qunshan Ye, Lingyi Fan, Anqi Weng and Haobin Liu
Buildings 2024, 14(10), 3149; https://doi.org/10.3390/buildings14103149 - 2 Oct 2024
Viewed by 573
Abstract
Pre-treated waste cooking oil (WCO) and organic montmorillonite (OMMT) were employed for the recycling of aged asphalt, which resulted in the improvement of the design of WCO asphalt rejuvenators and the enhancement of high-temperature performance of WCO-recycled asphalt. The effect of the rejuvenator [...] Read more.
Pre-treated waste cooking oil (WCO) and organic montmorillonite (OMMT) were employed for the recycling of aged asphalt, which resulted in the improvement of the design of WCO asphalt rejuvenators and the enhancement of high-temperature performance of WCO-recycled asphalt. The effect of the rejuvenator and the properties of recycled asphalt were evaluated by viscosity, dynamic shear rheometer (DSR), bending beam rheometer (BBR) and scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and gel permeation chromatography (GPC) tests. The results indicated that aged asphalt could be obviously softened and restored to the level of original asphalt by adding 6% WCO. However, the high-temperature properties of recycled asphalt would be declined by adding too large a dose of WCO rejuvenator. The high-temperature performance of recycled asphalt was significantly improved by the WCO-OMMT complex rejuvenator, and the viscosity and rutting factor of recycled asphalt were increased. Light components of aged asphalt could be supplemented by WCO of the complex rejuvenator. The volatilization of small molecules could be slowed down by the peel structure formed by OMMT and small molecules of the asphalt, which resulted in the proportion of small molecular substances (SMS) being increased by 4% and improvement of the colloidal structure of aged asphalt. The high-temperature and low-temperature performance of recycled asphalt can be improved concurrently by the combination of 6% WCO and 1% OMMT, and this was evidenced by the fact that the high-temperature and low-temperature PG were all upgraded by one level. Full article
(This article belongs to the Special Issue Research on Advanced Materials in Road Engineering)
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16 pages, 4838 KiB  
Article
Performance Evaluation and Degradation Analysis of Suspended Dense Broken Stone Road Foundation Stabilized by Cement under Conditions of Freezing and Thawing
by Haihong Deng, Kainan Huang, Fei Wu and Yinghan Wang
Buildings 2024, 14(6), 1828; https://doi.org/10.3390/buildings14061828 - 15 Jun 2024
Viewed by 678
Abstract
A suspended dense graded broken stone road foundation stabilized by cement is a commonly employed material in roadworks, which is vulnerable to harm caused by freezing and thawing processes. This investigation intends to evaluate the laboratory behavior and the characteristics of freezing and [...] Read more.
A suspended dense graded broken stone road foundation stabilized by cement is a commonly employed material in roadworks, which is vulnerable to harm caused by freezing and thawing processes. This investigation intends to evaluate the laboratory behavior and the characteristics of freezing and thawing process-induced deterioration in a broken stone road foundation stabilized by cement with suspended dense grading, employing mechanical examinations and acoustical methods. The rate of mass loss in the broken stone road foundation stabilized by cement progressively rises, and the rate of decline in the compressive strength could potentially intensify as freezing and thawing processes augment. The modulus of resilience diminishes as freezing and thawing processes progress, and ultrasonic wave velocity also decreases. The patterns of mass loss, compressive strength decline, resilience modulus reduction, and ultrasonic wave velocity alteration adhere to a parabolic fitting relationship with freeze–thaw cycles, with an R2 above 0.95. The curves depicting the relationship of mass, compressive strength, resilience modulus, and ultrasonic wave velocity exhibit a steeper trend significantly after 10–15 cycles, which can be ascribed to the emergence of microcracks and the progression of flaws within the material. The evolution of damage in the broken stone road foundation stabilized by cement is monitored to progress through three distinct stages based on acoustic emission: initial, stationary, and failure. As freezing and thawing processes accumulate to 20 cycles, the length of initial phase correspondingly rises to three times, the length of failure stage diminishes to about one fifth. Full article
(This article belongs to the Special Issue Research on Advanced Materials in Road Engineering)
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20 pages, 70046 KiB  
Article
Evaluation of Skid Resistance and Comfort of Pedestrian Pavement with Asphalt-Based Wood Chip
by Jian Ma, Shaopeng Zheng, Zilong Zhang, Bo Han, Dan Geng, Xingliang Hong, Guoman Yu, Yueguang Li, Libin Li and Cheng Cheng
Buildings 2024, 14(6), 1512; https://doi.org/10.3390/buildings14061512 - 23 May 2024
Viewed by 678
Abstract
This paper conducts an in-depth study and evaluation of pedestrian paths, with a particular focus on the anti-slip performance and walking comfort of wooden chip pedestrian walkways. Through controlled experiments, a comparative analysis was performed between wooden chip pedestrian walkways and ordinary paved [...] Read more.
This paper conducts an in-depth study and evaluation of pedestrian paths, with a particular focus on the anti-slip performance and walking comfort of wooden chip pedestrian walkways. Through controlled experiments, a comparative analysis was performed between wooden chip pedestrian walkways and ordinary paved brick walkways. The experimental results indicate that under dry conditions, the anti-slip performance of various road surfaces is good. However, in wet environments, the anti-slip performance of paved brick roads deteriorates significantly. In contrast, wooden chip pedestrian walkways, especially those mixed with asphalt and wood chips, exhibit excellent anti-slip properties and comfort. Additionally, the study reveals that the comfort of wooden chip pedestrian walkways is significantly better than that of paved brick walkways, and the comfort of asphalt materials is slightly better than emulsified asphalt. It is worth mentioning that fine wood chips provide less comfort than coarse wood chips. Although reducing the thickness can enhance comfort, considering the service life of the road, a thickness of 4–6 cm is most suitable. Finally, asphalt and wooden chip mixtures with coarse wood chips possess good water permeability, making them suitable for permeable drainage pavement designs, effectively reducing road surface water accumulation. Full article
(This article belongs to the Special Issue Research on Advanced Materials in Road Engineering)
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27 pages, 11173 KiB  
Article
Laboratory and Environmental Assessment of Asphalt Mixture Modified with a Compound of Reclaimed Asphalt Pavement and Waste Polyethylene
by Ahmed Boarie, Moustafa Abdelsalam, Ahmed Gamal and Mostafa Rabah
Buildings 2024, 14(5), 1186; https://doi.org/10.3390/buildings14051186 - 23 Apr 2024
Cited by 2 | Viewed by 1524
Abstract
The use of reclaimed asphalt pavement (RAP) in manufacturing asphalt concrete has become indispensable all over the world. This is due to the limited number of areas that are required to stockpile scraped pavement, as well as a lack of natural aggregate, which [...] Read more.
The use of reclaimed asphalt pavement (RAP) in manufacturing asphalt concrete has become indispensable all over the world. This is due to the limited number of areas that are required to stockpile scraped pavement, as well as a lack of natural aggregate, which is necessary in manufacturing asphalt concrete. Thus, this research aims to evaluate the mechanical characteristics and environmental impact of using RAP and waste polyethylene in hot mix asphalt (HMA). RAP was added to hot mix asphalt in proportions of 25%, 50%, 75%, and 100% instead of the same amount of coarse aggregate. Then, the optimum RAP hot mix asphalt was modified by adding polyethylene in proportions of 1%, 2%, 3%, and 4% into the hot mix asphalt. The Marshall mix design was used to define the optimum asphalt content. As a final point in this experimental work, tests on the loss of stability, indirect tensile strength, and wheel loading tracking were performed to assess the performance of asphalt mixes modified with RAP and polyethylene in different conditions. A life cycle assessment (LCA) was applied using the ReCipe 2016 Endpoint method to evaluate the environmental impacts of these mixtures using the SimaPro software, V9.1. The laboratory tests showed that the mixture containing 50% RAP instead of the same amount of coarse aggregate and 2% polyethylene recorded better Marshall characteristics than the control mixture and the mixture with RAP alone. Finally, the modified hot mix asphalt with added RAP and polyethylene not only achieved superior performance in rutting, water damage resistance, and the stiffness modulus of bituminous mixtures, but it has been verified that there is no serious risk to the environment. Full article
(This article belongs to the Special Issue Research on Advanced Materials in Road Engineering)
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22 pages, 10620 KiB  
Article
Effects of Different Antioxidant Intercalated Layered Double Hydroxides on Anti-Aging Properties of Asphalt Binders
by Quantao Liu, Jinjie Li and Shuaichao Chen
Buildings 2024, 14(3), 593; https://doi.org/10.3390/buildings14030593 - 23 Feb 2024
Cited by 2 | Viewed by 838
Abstract
This research aims to prepare different antioxidant intercalated layered double hydroxides (LDHs) and compare the thermal oxidation and ultraviolet (UV) aging resistances of different modified asphalts. The ion exchange technique was used to intercalate three different antioxidants: 3-(3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, antioxidant 1222, and [...] Read more.
This research aims to prepare different antioxidant intercalated layered double hydroxides (LDHs) and compare the thermal oxidation and ultraviolet (UV) aging resistances of different modified asphalts. The ion exchange technique was used to intercalate three different antioxidants: 3-(3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, antioxidant 1222, and sodium dibutyl dithiocarbamate (rubber accelerator TP) into the interlayer of LDHs. The morphology, structures, UV blocking, and free radical scavenging properties of different antioxidant intercalated LDHs were characterized, respectively. The effects of the anti-aging agents on the physical properties (penetration, softening point, ductility, and viscosity); rheological behaviors (complex modulus and phase angle); and functional groups (C=O and S=O) of asphalt both before and after thermal oxidation aging and UV aging were systematically investigated. The results of the crystal structure and functional group analysis show that the three different antioxidants can be successfully inserted into the interlayer of LDHs without destroying their layered structures. Antioxidant intercalated LDHs exhibit a remarkable capacity for absorbing UV rays, coupled with a moderate ability to reflect UV light. Moreover, the inclusion of antioxidants into the interlayers of LDHs confers upon them the ability to scavenge free radicals. After 2 h of reaction, the free radical scavenging rates of LDHs-3, LDHs-1222, and LDHs-TP were 57.7%, 35.6%, and 17.1%, respectively. With an increase in the content of the antioxidant intercalated LDHs, the performance of the modified asphalt varies, and 4% is the optimal content of the anti-aging agents. Asphalts with the three antioxidant intercalated LDHs all had favorable storage stability, and their physical and rheological properties were improved after aging compared to LDHs-modified asphalt. The LDHs-3-modified asphalt showed the best anti-ultraviolet aging effect, while LDHs-1222-modified asphalt showed the best anti-thermal oxidation aging effect. This research lays the foundation for developing aging-resistant asphalt and improving the durability of asphalt pavement. Full article
(This article belongs to the Special Issue Research on Advanced Materials in Road Engineering)
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19 pages, 6701 KiB  
Article
Evolution of Structure and Properties of SBS-Modified Asphalt during Aging Process
by Zhilong Cao, Qianlong Hao, Xin Qu, Kexin Qiu, Ruiqi Zhao and Qianyu Liu
Buildings 2024, 14(1), 291; https://doi.org/10.3390/buildings14010291 - 21 Jan 2024
Cited by 3 | Viewed by 1830
Abstract
To explore the performance evolution mechanism of SBS-modified bitumen (SMB) during construction and service, the chemical structure, molecular weight and properties of styrene–butadiene–styrene triblock copolymer (SBS) and SMB under multiple aging levels were assessed via Fourier transform infrared spectroscopy (FTIR), gel permeation chromatography [...] Read more.
To explore the performance evolution mechanism of SBS-modified bitumen (SMB) during construction and service, the chemical structure, molecular weight and properties of styrene–butadiene–styrene triblock copolymer (SBS) and SMB under multiple aging levels were assessed via Fourier transform infrared spectroscopy (FTIR), gel permeation chromatography (GPC) and a dynamic shear rheometer (DSR). The results indicate that the polybutadiene segments in SBS are susceptible to oxidative degradation, and the molecular weight of SBS decreases rapidly during the aging process. The complex modulus and temperature sensitivity of SMB show relatively small changes during the early aging stage, which is mainly attributed to the impact of SBS oxidative degradation. While its temperature sensitivity decreases sharply after double PAV aging, it means the influence of asphalt aging on its performance is dominant. And there is a significant difference in the effect of aging on the creep recovery behavior of SMB under high and low shear stresses. The percentage recovery (R) of SMB decreases and then increases under low shear stress as aging progresses. While the value R of SMB increases gradually under high shear stress with the extension of aging. Meanwhile, the viscoelastic properties of SMB have gradually transformed to those of aged matrix asphalt after serious aging, which is also confirmed by the gradual destruction and degradation of the SBS cross-linked network in the binder from a fluorescence micrograph. This research will help to understand the performance failure mechanism of SMB during service, providing a theoretical reference for the selection of maintenance and renovation opportunities during the service process of SBS-modified asphalt pavement, as well as the avenue to achieve high-performance recycling. Full article
(This article belongs to the Special Issue Research on Advanced Materials in Road Engineering)
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