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Geotechnical Engineering and Infrastructure Construction, 2nd Edition
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Geotechnical Engineering and Infrastructure Construction, 2nd Edition

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

Deadline for manuscript submissions: closed (20 April 2026) | Viewed by 874

Special Issue Editor

Prof. Dr. Xinzhuang Cui

E-Mail Website
Guest Editor
School of Civil Engineering, Shandong University, Jinan 250061, China
Interests: traffic geotechnical engineering; intelligent construction; subgrade engineering; solid waste resource utilization; railway
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Geotechnical engineering and infrastructure construction play a crucial role in the development and sustainability of modern societies. As urbanization continues to expand, the demand for efficient transportation systems, intelligent construction techniques, and sustainable infrastructure solutions have become increasingly important.

The field of traffic geotechnical engineering encompasses various aspects related to the design, construction, and maintenance of transportation infrastructures. It involves studying the behavior of soils and materials under traffic loads, analyzing the stability and performance of pavements, and developing innovative solutions to enhance the durability and safety of road networks. This Special Issue on ‘Geotechnical Engineering and Infrastructure Construction, 2nd Edition’ aims to explore the latest advancements and research findings in the field of sustainable infrastructures, with a particular focus on topics such as traffic geotechnical engineering, intelligent construction, subgrade engineering, solid waste resource utilization, and railways.

We welcome contributions that address the existing challenges and propose novel approaches in traffic geotechnical engineering, including, but not limited to, pavement design, geosynthetics applications, soil stabilization techniques, and sustainable transportation infrastructure.

Prof. Dr. Xinzhuang Cui
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 250 words) can be sent to the Editorial Office for assessment.

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

  • traffic geotechnical engineering
  • intelligent construction
  • subgrade engineering
  • solid waste resource utilization
  • railway

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Related Special Issue

Published Papers (2 papers)

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Research

23 pages, 15222 KB  
Article
Study on the Permanent Deformation Characteristics of Unsaturated Sand Subgrade Fill Under Cyclic Loading
by Hongfei Yin, Chuang Zhang and Jianzhong Li
Appl. Sci. 2026, 16(9), 4086; https://doi.org/10.3390/app16094086 - 22 Apr 2026
Viewed by 170
Abstract
Under long-term cyclic loading, the cumulative plastic deformation of unsaturated sandy subgrade is a key control factor for the pavement’s service performance. However, its evolution mechanism and quantitative characterization still lack a universal model. In this study, based on the GDS dynamic triaxial [...] Read more.
Under long-term cyclic loading, the cumulative plastic deformation of unsaturated sandy subgrade is a key control factor for the pavement’s service performance. However, its evolution mechanism and quantitative characterization still lack a universal model. In this study, based on the GDS dynamic triaxial system, a series of cyclic tests were conducted under different conditions: matric suction from 0 to 90 kPa, net confining pressure from 30 to 120 kPa, dynamic stress amplitude from 60 to 240 kPa, and compaction degrees of 87–96%, reaching a total of 10,000 cycles. The results reveal that the permanent deformation of unsaturated sandy subgrade material evolves through three stages: fast, slow, and stable. The deformation is exponentially negatively correlated with matric suction, net confining pressure, and compaction degree, and exponentially positively correlated with dynamic stress amplitude. A coupling prediction model was developed by embedding matric suction and compaction degree factors into the Karg model. This model incorporates net confining pressure, dynamic stress amplitude, matric suction, and compaction degree. By using a normalized master curve method, the permanent deformation curves under different working conditions were compressed into a unique dimensionless function. The parameters have clear physical significance and allow for a unified description across stress, suction, state, and soil types. Experimental data, along with data from the literature, were used to validate the model, showing prediction errors of less than 10% and R2 > 0.95. The model provides a simple, high-precision, and transferable theoretical tool for long-service-life subgrade deformation control. Full article
(This article belongs to the Special Issue Geotechnical Engineering and Infrastructure Construction, 2nd Edition)
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20 pages, 7055 KB  
Article
Settlement Characteristics and Control Methods for Highway Widening Using Weak Expansive Soil
by Senwei Wang, Chuan Wang, Weimin Yang, Chuanyi Ma, Meixia Wang, Xianglong Meng and Jian Gao
Appl. Sci. 2026, 16(6), 2977; https://doi.org/10.3390/app16062977 - 19 Mar 2026
Viewed by 297
Abstract
In highway widening projects, the wet–dry cycling effect of weakly expansive soil fill under seasonal groundwater fluctuations exacerbates differential settlement. This study establishes a three-dimensional numerical model for a widened road with weakly expansive soil, based on a redeveloped numerical method and actual [...] Read more.
In highway widening projects, the wet–dry cycling effect of weakly expansive soil fill under seasonal groundwater fluctuations exacerbates differential settlement. This study establishes a three-dimensional numerical model for a widened road with weakly expansive soil, based on a redeveloped numerical method and actual engineering projects. Through multi-scenario numerical simulations, the influence patterns and weighting factors of widening methods, road height, and water level on differential settlement were clarified. Three safety levels for differential settlement were defined using 6 cm and 12 cm as thresholds. A prediction model based on support vector machines was established to determine the combined threshold limits of key parameters under different differential settlement boundaries. The control effectiveness of sand replacement, water-blocking layers, and wicking geotextiles was comparatively evaluated: sand replacement reduces differential settlement by approximately 70% on average and is applicable to all scenarios; water-blocking layers reduce settlement by about 50% and are more suitable for bilateral widening or unilateral widening of low embankments; wicking geotextiles are unsuitable for controlling differential settlement in high-water-level areas. Selection principles for control methods under different conditions were proposed based on engineering requirements, and field tests validated the effectiveness of the proposed solutions. Full article
(This article belongs to the Special Issue Geotechnical Engineering and Infrastructure Construction, 2nd Edition)
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