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Advanced Technologies and Applications in Geotechnical Engineering
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Advanced Technologies and Applications in Geotechnical Engineering

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

Deadline for manuscript submissions: 20 September 2026 | Viewed by 1532

Special Issue Editors

Dr. Yujie Li

E-Mail Website
Guest Editor
Ocean College, Zhejiang University, Zhoushan 316021, China
Interests: intelligent geotechnical materials; infrastructure resilience; biogeotechnics; soil erosion and in situ protection; multiphysics coupling numerical technology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jin Xia

E-Mail Website
Guest Editor
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Interests: engineering structure durability; durability testing and assessment; corrosion protection and repair; performance improvement and control
Prof. Dr. Zhen Guo

E-Mail Website
Guest Editor
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Interests: offshore foundation engineering and materials; in situ detection and precision sensing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As global infrastructure systems face increasing demands from climate change, urbanization, and environmental sustainability, geotechnical engineering is undergoing a transformative shift. Advances in intelligent geotechnical materials, sensing technologies, and numerical modeling are playing a critical role in improving infrastructure resilience and performance across terrestrial and marine environments.

This Special Issue aims to present innovative research and practical developments that address current and future challenges in the field. Key areas of interest include offshore and marine geotechnics, biogeotechnics, soil erosion and in situ protection, multiphysics coupling numerical techniques, and climate-resilient infrastructure design. Topics such as the durability of engineering structures, corrosion protection and repair, in situ detection and monitoring technologies, and sustainable engineering solutions are also central to this Issue. We invite researchers, engineers, and practitioners to contribute original research articles, reviews, case studies, and technical notes that offer insight into emerging technologies and applications in geotechnical engineering. This Special Issue seeks to foster academic–industry collaboration and promote the advancement of sustainable, intelligent, and resilient infrastructure systems worldwide.

Dr. Yujie Li
Prof. Dr. Jin Xia
Prof. Dr. Zhen Guo
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 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

  • intelligent geotechnical materials
  • soil–structure interaction
  • multiphysics coupling analysis
  • biomineralization
  • low-carbon materials
  • offshore wind energy
  • shallow geothermal
  • engineering structures
  • corrosion and repair
  • geopolymer
  • detection and sensing technology

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Published Papers (2 papers)

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Research

13 pages, 2231 KB  
Article
Study on the Pore Pressure Coefficient of Saturated Sandy Silt Under Frozen Conditions
by Haiqing Jiang, Zhongnian Yang and Jiayi Hou
Appl. Sci. 2026, 16(7), 3263; https://doi.org/10.3390/app16073263 - 27 Mar 2026
Viewed by 390
Abstract
The pore pressure coefficient B, defined as the change in pore pressure per unit increment of confining pressure under undrained conditions, is a fundamental parameter in soil mechanics. It characterizes the coupling between soil skeleton deformation and pore water pressure and plays a [...] Read more.
The pore pressure coefficient B, defined as the change in pore pressure per unit increment of confining pressure under undrained conditions, is a fundamental parameter in soil mechanics. It characterizes the coupling between soil skeleton deformation and pore water pressure and plays a critical role in establishing the effective stress framework for frozen soils. Existing studies mainly focus on unfrozen soils, while the temperature sensitivity and stress-path dependence of B in frozen soils undergoing phase transition remain insufficiently understood. To address this gap, this study conducts temperature-controlled triaxial tests and constant strain-rate loading tests to investigate the evolution of B in frozen sandy silt over a temperature range of −11 °C to −2 °C under different stress histories. The results show that: (1) post-loading B-values at −5 °C to −8 °C are significantly higher than those at −2 °C and −10 °C, by 6.5% and 8.2%, respectively; (2) within the framework of Gassmann’s equation, a theoretical model incorporating the soil freezing characteristic curve and the coupled effects of ice–water phase transition and soil skeleton deformation is developed to explain the temperature-dependent behavior of unfrozen water and B; and (3) a predictive model incorporating a temperature correction factor is proposed, which accurately captures the variation trend of B in frozen sandy silt. This study elucidates the evolution mechanism of the pore pressure coefficient under multi-field coupling conditions and provides a theoretical basis for frost heave assessment and constitutive modeling in cold-region engineering. Full article
(This article belongs to the Special Issue Advanced Technologies and Applications in Geotechnical Engineering)
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22 pages, 4622 KB  
Article
Particle Shape-Driven Stiffness Anisotropy in Calcareous Sand and the Underlying Mechanism
by Yan Gao, Ketian Sun, Quan Yuan, Le Sun and Xudong Tang
Appl. Sci. 2025, 15(23), 12682; https://doi.org/10.3390/app152312682 - 29 Nov 2025
Viewed by 546
Abstract
The angular shape and breakage of particles for calcareous sand significantly influence its mechanical behavior and the safety of the engineering. Although previous studies have explored the impact of particle shape on the mechanical properties of calcareous sand, the effects of shape-induced stiffness [...] Read more.
The angular shape and breakage of particles for calcareous sand significantly influence its mechanical behavior and the safety of the engineering. Although previous studies have explored the impact of particle shape on the mechanical properties of calcareous sand, the effects of shape-induced stiffness anisotropy and particle breakage remain insufficiently investigated. This study employs the Yade open-source 3D discrete element platform to conduct a series of numerical simulations of isotropic compression and simple shear tests on calcareous sand, examining stiffness, deformation characteristics, microscopic behavior, anisotropic properties, and the influence of different particle breakage rates. The results reveal that particle shape-driven stiffness anisotropy in calcareous sand is obvious. The horizontal shear modulus is different from the vertical modulus by up to 15% under confining pressures of 50 kPa to 1200 kPa. Irregularly shaped particles tend to align in a layered fabric under gravitational deposition, resulting in spatial anisotropy in the distribution of contact normals. Strong contact forces concentrate in the direction of gravitational deposition (i.e., the vertical direction), leading to significant anisotropy in shear modulus, with the horizontal shear modulus being notably greater than the vertical one. The values of horizontal shear modulus ranging from 40 MPa for chunky particles to 120 MPa under high confining pressure. While increasing confining pressure generally enhances the shear modulus of calcareous sand, the concentration of strong contact forces in the vertical direction due to particle shape causes differential increments in shear modulus across directions, thereby altering anisotropy. Particle breakage under high confining pressure (10%) disrupts the concentration of strong contact forces in the vertical direction and triggers a “surrounding particle compensation” mechanism (accounting for >95% of cases), leading to homogenization of contact force distribution. This significantly reduces the shear modulus and diminishes the degree of anisotropy by up to 50% at breakage rates of 10%. The cross-scale relationship between particle morphology, breakage, and fabric evolution is quantified. Full article
(This article belongs to the Special Issue Advanced Technologies and Applications in Geotechnical Engineering)
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