Liquefaction susceptibility and deformation characteristics of saturated coral sandy soils subjected to cyclic loadings–a critical review

G Chen, Y Qin, W Ma, K Liang, Q Wu… - … and Engineering Vibration, 2024 - Springer
Coral sandy soils widely exist in coral island reefs and seashores in tropical and subtropical
regions. Due to the unique marine depositional environment of coral sandy soils, the …

State Index for Interpreting the State-Dependent Behavior of Granular Soil: A Review

C Yan, Y Shen, W Zhao, Y Sun - Archives of Computational Methods in …, 2023 - Springer
The strength and deformation behaviors of granular soil depend on the material state, ie,
density and pressure. To interpret such state-dependent behavior, different state indices …

[HTML][HTML] Experimental study on permeability and strength characteristics of MICP-treated calcareous sand

Y Chen, Y Han, X Zhang, S Sarajpoor, S Zhang, X Yao - Biogeotechnics, 2023 - Elsevier
Calcareous sand is the main fill material for island reclamation projects, but untreated
calcareous sand might not be used as a reclamation fill due to its poor mechanical …

The critical state of crushable granular sand

K Shi, F Zhu, J Zhao - Acta Geotechnica, 2024 - Springer
The concept of critical state has been a cornerstone of modern critical state soil mechanics. It
remains inconclusive how grain crushing affects critical state behavior in crushable granular …

Stress-fractional model for clay based on yielding and hardening rules considering thermomechanical restriction

Y Sun, X Huang, C Gu - International Journal of Non-Linear Mechanics, 2024 - Elsevier
This study presents the development of an isothermal model for characterising the stress-
strain behaviour of clay, in the framework of thermomechanical restrictions. Clay is assumed …

Effect of variable confining pressure on the long-term cyclic behaviour of calcareous sand: experimental observation and microstructural interpretation

SH He, Z Ding, M Goudarzy, Y Sun… - Canadian Geotechnical …, 2023 - cdnsciencepub.com
Subgrade soils are exposed to simultaneous cyclic deviatoric stress and variable confining
pressure (VCP) caused by traffic loading. However, the effect of VCP on cyclic behaviour is …

Opposite turning hook of crushable sand's stress–dilatancy curve and its prediction

WF Jin, JJ Xie, Y Tao, YH Ma - Acta Geotechnica, 2024 - Springer
For crushable sand, compared to non-crushable sand, this paper describes the
experimental phenomenon of the opposite turning direction of stress–dilatancy curve after …

The role of breakage-dependent critical state lines in constitutive modelling of sand under axisymmetric drained and undrained loads: A comparative study

S Shu, C Yan, W Zhao, Y Sun - Marine Georesources & …, 2023 - Taylor & Francis
Particle breakage usually takes place within sand when subjected to external loading, which
changes the critical state line (CSL) and stress-strain behavior of sand. To consider such …

The Formative Factors of a Rock Burst Based on Energy Calculations and the Experimental Verification of Butterfly-Shaped Plastic Zones

W Zhang, J Feng, J Ren, J Ma, J Shi, J Zhang - Fractal and Fractional, 2023 - mdpi.com
The research on the formation factors of rock burst is one of the main research directions of
rock mechanics in recent years, which is helpful to solve the problem of rock burst accidents …

Stiffness Anisotropy and Micro-Mechanism of Calcareous Sand with Different Particle Breakage Ratios Subjected to Shearing Based on DEM Simulations

Y Gao, K Sun, Q Yuan, T Shi - Journal of Marine Science and …, 2024 - mdpi.com
Stress-induced anisotropy in calcareous sand can cause an uneven displacement in island
reef engineering. In this study, stiffness, as a quantitative indicator, is explored to reveal the …