Cumulative deformation and non-coaxial characteristics of fiber and cement-modified iron tailings under the rotation of principal stress

P Jiang, Z Wang, N Li, X Song, Y Chen… - Transportation …, 2023 - Elsevier
In order to study the deformation characteristics of fiber and cement-modified iron tailings
(FCIT) under traffic loads, the cumulative deformation, stress–strain paths, cyclic stiffness …

Permeability analysis of gas hydrate-bearing sand/clay mixed sediments using effective stress laws

Z Wu, S Yang, W Liu, Y Li - Journal of Natural Gas Science and …, 2022 - Elsevier
For natural gas hydrate reservoirs in the South China Sea, particle types of sediments and
compaction of overlying rocks significantly affect the variation of porosity and permeability in …

Deformation of pavement subgrade subjected to traffic loads considering multi-direction principal stress rotation

X Li, Y Yang, J Wang, Q Yu, H Yu - Soil Dynamics and Earthquake …, 2022 - Elsevier
Neglecting the principal stress rotation (PSR) in multi-direction may underestimate the
deformation of a geotechnical structure subjected to a complex load, such as traffic load …

[HTML][HTML] Development of a dynamic hollow cylinder apparatus for investigating the cyclic response of unsaturated soils subjected to stress anisotropy

A Ahmadinezhad, F Jafarzadeh, B Shahbodagh… - Transportation …, 2023 - Elsevier
The construction of most geo-structures like earthfill dams, roads, highways, embankments,
and airport runways deals with the compaction of unsaturated soils under anisotropic …

A Cyclic True Triaxial with Rigid-Rigid-Flexible Boundary for Determination of Cross-Anisotropic Nature of Geomaterials

C Aydin, M Hatipoglu, B Cetin… - Geotechnical …, 2023 - asmedigitalcollection.asme.org
This paper describes a custom-designed Soil Poly-Axial Test System, SPAX-3000,
developed to investigate the cross-anisotropic material properties of geomaterials under …

[HTML][HTML] Subgrade soil response to rail loading: Instability mechanisms, causative factors, and preventive measures

B Indraratna, TT Nguyen, S Atapattu, T Ngo… - Transportation …, 2024 - Elsevier
The demand for more efficient heavy-haul rail networks over soft subgrades poses
significant geotechnical challenges and requires a comprehensive understanding of stress …

Investigation on the macro-and microdeformation characteristics of silty clay under different shield construction stress paths

H Lei, Z Cheng, S Feng, J Lou, H Zhong - Bulletin of Engineering Geology …, 2021 - Springer
Geotechnical investigation and design show that when evaluating the settlement of ground
with soft soil ground, the use of a single stress path results in a larger error than in the case …

[PDF][PDF] Preliminary Study on Directional and Stress Dependency of Stiffness Characteristics of Granular Roadway Materials

C Aydin, B Cetin, M Hatipoglu… - … Conference on Low …, 2023 - onlinepubs.trb.org
Stress–strain characteristics of granular geomaterials have a major impact on response to
traffic loading of unpaved roads or roads with thinner surface thicknesses [portland cement …

[PDF][PDF] The Importance of Principal Stress Rotation in Transportation Geotechnics and Associated Constitutive Models.

Among all the transportation modes worldwide, railways are pivotal in catering to the ever-
growing population's increasing demands. The most recurring challenge in the field of …