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New Trends in Long-Life Road Infrastructures: Materials and Structures, 2nd...
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New Trends in Long-Life Road Infrastructures: Materials and Structures, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 February 2025 | Viewed by 1709

Special Issue Editors

Dr. Jue Li

E-Mail Website
Guest Editor
College of Traffic & Transportation, Chongqing Jiaotong University, Chongqing 400074, China
Interests: road engineering; construction and demolition waste; coarse/fine aggregate; polymer concrete; unbonded granular material; dynamic response; discrete element method
Special Issues, Collections and Topics in MDPI journals
Dr. Junhui Peng

E-Mail
Guest Editor
School of Traffic & Transportation Engineering, Changsha University of Science & Technology, Changsha 410114, China
Interests: subgrade engineering; resilient modulus; permanent deformation; soil–water characteristic curve; numerical simulation calculation
Special Issues, Collections and Topics in MDPI journals
Dr. Junfeng Gao

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China
Interests: materials and structure for pavement; asphalt pavement; coarse and fine aggregate; alternative materials for road engineering; construction and demolition waste; functional pavement materials
Special Issues, Collections and Topics in MDPI journals
Dr. Wensheng Wang

E-Mail Website
Guest Editor
College of Transportation, Jilin University, Changchun 130022, China
Interests: road materials and pavement design; nondestructive testing technology; structural health monitoring; bridge and infrastructure engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to the increasing requirements related to urbanization and environment, concerns regarding low-carbon and long-life solutions for road infrastructures have been growing in recent years. Long-life road infrastructures depend on the innovation of materials and structures, simultaneously considering novel numerical and intelligent technologies. Many impressive approaches have been proposed to enhance the performance and serviceability of road materials and structures, including the use of digital twin models and the material genome method in multiscale characterization.

Researchers worldwide are making great efforts to provide low-cost, eco-friendly, sustainable and durable road materials. Meanwhile, the application of advanced materials in road infrastructures requires successful design practices to construct long-life road structures. Therefore, the investigation of material characterization and structural behavior becomes an important issue to realize the optimized design and performance improvement of low-carbon, long-life road infrastructures.

This Special Issue aims to bring together papers addressing the latest challenges and developments in the field, contributing to the reinforcement of knowledge and practices in long-life road infrastructures. We invite researchers worldwide to contribute original research and review articles contributing to the area of materials and structures in long-life road infrastructures. Suggested topics related to this Special Issue include, but are not limited to:

  • Innovative sustainable road materials;
  • Testing and evaluation of mechanical behavior;
  • Multiscale characterization and simulation;
  • Long-life design for subgrade and pavement;
  • Environmental effect of road construction;
  • Safety and serviceability of road infrastructures.

Dr. Jue Li
Dr. Junhui Peng
Dr. Junfeng Gao
Dr. Wensheng 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. Applied Sciences 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

  • road infrastructures
  • long-life pavement
  • road materials
  • subgrade
  • multiscale characterization
  • laboratory test
  • numerical simulation
  • field construction
  • design method

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Related Special Issue

Published Papers (2 papers)

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Research

22 pages, 6933 KiB  
Article
Experimental Study on Deformation and Damage Evolution of Cracked Red Sandstone Under Freeze–Thaw Cycles
by Xize Han, Guangchen Sun, Helin Fu, Chao Tan, Zailong Huang, Peng Yin, Qishu Zhang, Wenchen Fan and Shuiping Yin
Appl. Sci. 2024, 14(23), 11174; https://doi.org/10.3390/app142311174 - 29 Nov 2024
Viewed by 433
Abstract
Cracked rock masses in cold regions are subjected to freeze–thaw cycles over extended periods, resulting in freeze–thaw deformation. The combined effects of freeze–thaw cycling and the depth of cracks significantly influence the stability and durability of underground rock engineering in these regions. In [...] Read more.
Cracked rock masses in cold regions are subjected to freeze–thaw cycles over extended periods, resulting in freeze–thaw deformation. The combined effects of freeze–thaw cycling and the depth of cracks significantly influence the stability and durability of underground rock engineering in these regions. In some cold regions with minimal annual rainfall, rock masses are unable to absorb external water during freeze–thaw cycles. As freeze–thaw deformation progresses, the rock transitions naturally from a saturated state to an unsaturated state. To investigate the deformation damage mechanisms and evolution patterns of saturated red sandstone with initial non-penetrating cracks of varying depths (20 mm, 30 mm, 40 mm) under freeze–thaw cycling conditions without external water replenishment and with naturally varying saturation levels, relevant freeze–thaw cycle experiments and strain monitoring were conducted. The results indicate that cracked red sandstone experiences residual strain in each freeze–thaw cycle, which gradually accumulates, leading to irreversible freeze–thaw damage deformation. The cumulative residual strain of the rock specimen after 45 freeze–thaw cycles was 40.69 times greater than the residual strain from the first cycle. Additionally, the freeze–thaw strain characteristic values exhibited a clear correlation with crack depth. These findings provide experimental methods and data references for analyzing the deformation and failure mechanisms of cracked rock induced by freeze–thaw damage in cold regions. Full article
(This article belongs to the Special Issue New Trends in Long-Life Road Infrastructures: Materials and Structures, 2nd Edition)
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17 pages, 6296 KiB  
Article
Enhancing Grout Filling Quality Assessment in Precast Concrete Sleeve Connections through a Collaborative Sensing Approach
by Bolin Jiang, Shanshan Wu, Qidong Xiong and Yongsheng Yao
Appl. Sci. 2024, 14(19), 8932; https://doi.org/10.3390/app14198932 - 3 Oct 2024
Viewed by 781
Abstract
This study presents a collaborative sensing approach that integrates the pre-embedded sensor method and the impact-echo technique to enhance the accuracy of grout filling quality assessment for precast concrete sleeve connections. The pre-embedded sensor method, which relies on vibration energy attenuation, enables continuous [...] Read more.
This study presents a collaborative sensing approach that integrates the pre-embedded sensor method and the impact-echo technique to enhance the accuracy of grout filling quality assessment for precast concrete sleeve connections. The pre-embedded sensor method, which relies on vibration energy attenuation, enables continuous monitoring of the grout filling process; however, its accuracy is limited at low filling degrees, as vibration energy values remain constant at approximately 255 when the filling degree is below 70%. In contrast, the impact-echo technique, based on the principle of impact elastic wave propagation, demonstrates high accuracy in evaluating grout filling degrees across various levels, with reflected waveform amplitude increasing accordingly. This collaborative approach establishes a functional relationship between vibration energy values from the pre-embedded sensor method and grout filling degree, allowing for a comprehensive assessment of grout filling quality. In field demonstrations, the calculated grout filling degree values deviated by less than 5% from the set values. Practical guidelines for implementing the collaborative sensing approach are also provided. The method developed in this study offers a reliable solution for assessing grout filling quality in precast concrete sleeve connections, addressing the limitations of individual testing methods. Full article
(This article belongs to the Special Issue New Trends in Long-Life Road Infrastructures: Materials and Structures, 2nd Edition)
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