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Sustainability
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Performant Materials for Sustainable Transportation in the Coming Future
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Performant Materials for Sustainable Transportation in the Coming Future

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Transportation".

Deadline for manuscript submissions: closed (15 March 2022) | Viewed by 8884

Special Issue Editor

Assoc. Prof. Dr. Adrian Burlacu

E-Mail Website
Guest Editor
Faculty of Railways, Roads and Bridges, Technical University of Civil Engineering Bucharest, Romania
Interests: pavement and roads engineering; asphalt mixture characterization; road safety management; application of new technologies on transport engineering

Special Issue Information

Dear Colleagues,

This Special Issue is dedicated to papers focusing on enabling the sustainable development of the transport infrastructure. The scientific papers should cover both applied and fundamental research for road and railway transport, focused on any of the sustainability concepts. The papers must introduce frameworks, technologies, and applications for improving the current approaches for the design and management of a sustainable transport infrastructure. Topics include (but are not limited to) the following:

  • identifying and developing innovative technologies in the sustainable transportation system;
  • transportation strategies to improve economic, social, and environmental sustainability;
  • using recycled and marginal materials for transportation infrastructure;
  • performant materials for a low environmental impact;
  • road safety management;
  • innovative applications of structural monitoring and earth observation;
  • models and methods for the description of the transport demand, transport supply, users and their activities, management and control in transport systems, and mobility management.

This Special Issue provides an excellent opportunity for researchers and practitioners to present and exchange their ideas and solutions for modern transportation strategies.

Assoc. Prof. Dr. Adrian Burlacu
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. Sustainability 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 2400 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

  • Smart infrastructure
  • Road safety
  • Traffic flow modelling
  • Planning
  • Sustainable materials for roads, railways, and other transportation systems
  • Recycling and waste management
  • Urban transport
  • Structural mechanics and physics
  • Construction technology
  • Infrastructure management
  • Structural engineering and geotechnical engineering

Published Papers (3 papers)

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Research

14 pages, 3272 KiB  
Article
An Analysis of Reclaimed Asphalt Pavement from a Single Source—Case Study: A Secondary Road in Romania
by Rodica Dorina Cadar, Rozalia Melania Boitor and Mihai Liviu Dragomir
Sustainability 2022, 14(12), 7057; https://doi.org/10.3390/su14127057 - 9 Jun 2022
Cited by 10 | Viewed by 1868
Abstract
The paper presents a comprehensive analysis on reclaimed asphalt pavement (RAP) milling material collected from a single source, namely from a secondary road in Romania, county road DJ109. The following characteristics are investigated: particle size, binder content, material variability and uniformity, and the [...] Read more.
The paper presents a comprehensive analysis on reclaimed asphalt pavement (RAP) milling material collected from a single source, namely from a secondary road in Romania, county road DJ109. The following characteristics are investigated: particle size, binder content, material variability and uniformity, and the clustering phenomena. Variability is demonstrated using the results of particle size gradation and binder content. The coefficient of uniformity and the coefficient of curvature demonstrate that the RAP used in this research is a well-graded material. However, the visual analyses conducted on RAP highlight the presence of RAP particle agglomeration and the need for further testing. The study presents three different experimental phases: (i) RAP-milling old asphalt pavement, RAP; (ii) RAP milling after binder extraction, RAPabe; and (iii) RAP after Los Angeles crushing, RAPac. After processing, the coarse part (C) had a great influence on the fine part (F), and F/C ratio increased, respectively, from 0.4 to 1.5 and 1.61. Material variability on the extended site, the difference between the design values and particle size, as well as the existing clustering process indicated that RAP material collected from secondary roads must be pre-processed prior to its storage and reuse in the recycling process. Considering that secondary roads represent 71% of the overall network of asphalt course roads in Romania, and around 24,000 km of roads are in need of at least extensive maintenance (wearing asphalt courses) or rehabilitation, RAP is a highly recyclable material. Therefore, this study provides advice and guidance for re-using RAP in new pavement mixtures. Full article
(This article belongs to the Special Issue Performant Materials for Sustainable Transportation in the Coming Future)
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15 pages, 21690 KiB  
Article
Environmental Impact Assessment of Different Warm Mix Asphalts
by Anda Ligia Belc, Adrian Ciutina, Raluca Buzatu, Florin Belc and Ciprian Costescu
Sustainability 2021, 13(21), 11869; https://doi.org/10.3390/su132111869 - 27 Oct 2021
Cited by 9 | Viewed by 2830
Abstract
Within the last decade, much attention has been focused on determining viable techniques for producing sustainable asphalt mixtures and minimizing fuel use and greenhouse gas emissions. Thus, warm mix asphalt (WMA) has become a topic of significant interest among road specialists as it [...] Read more.
Within the last decade, much attention has been focused on determining viable techniques for producing sustainable asphalt mixtures and minimizing fuel use and greenhouse gas emissions. Thus, warm mix asphalt (WMA) has become a topic of significant interest among road specialists as it offers a potential solution for reducing the environmental impact of the asphalt mixtures due to the decreased temperatures they require for mixing and compaction compared to hot mix asphalt (HMA). The present study is focused on the Life Cycle Assessment (LCA), according to a “Cradle-to-Gate” approach, of hot mix asphalt and warm mix asphalt prepared with locally available materials and different warm mix additives such as organic additives, chemical additive, and synthetic zeolite. For the analysis of the environmental impact of the warm mix asphalts was used a dedicated software for modeling and evaluating the LCA. The WMA prepared with chemical additive or organic additive led to a decrease of the environmental impact, in the production phase, compared to HMA. The study reveals that the raw materials extraction has the greatest impact on the environment in all studied cases, followed by the actual production phase of the asphalt mixture. For WMA produced with additives there was a decrease in the global impact on the environment compared to HMA. Full article
(This article belongs to the Special Issue Performant Materials for Sustainable Transportation in the Coming Future)
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18 pages, 8414 KiB  
Article
Industrial Waste Materials as Alternative Fillers in Asphalt Mixtures
by Catalina Dimulescu and Adrian Burlacu
Sustainability 2021, 13(14), 8068; https://doi.org/10.3390/su13148068 - 20 Jul 2021
Cited by 15 | Viewed by 3103
Abstract
One important role in asphalt mixture performances is represented by the filler content and characteristics. This research aims to assess the potential usage of industrial waste powders as replacers of the standard limestone filler in asphalt mixture composition. First of all, an SEM [...] Read more.
One important role in asphalt mixture performances is represented by the filler content and characteristics. This research aims to assess the potential usage of industrial waste powders as replacers of the standard limestone filler in asphalt mixture composition. First of all, an SEM and EDX analysis was carried out to figure whether this industrial waste can be used in asphalt mixture composition by comparing the results of the industrial wastes with the properties of the standard filler. After a chemical evaluation, laboratory investigations were carried out to characterize the materials in terms of geometrical and physical properties. The research study involved sixteen dosages of limestone filler with four different types of industrial waste powders in different percentages used. The results obtained from laboratory testing suggested that the inclusion of industrial wastes in the manufacture of asphaltic mixtures may have benefits for the construction industry, the waste management sector, and also for the environment. Full article
(This article belongs to the Special Issue Performant Materials for Sustainable Transportation in the Coming Future)
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