Fractional order viscoplastic modeling of anisotropically overconsolidated clays with modified isotach viscosity

W Cheng, ZY Yin - International Journal of Plasticity, 2024 - Elsevier
Current overstress typed elastic viscoplastic models fall short in describing some time-
dependent mechanical behaviors of anisotropically overconsolidated clays …

A triaxial creep model for deep coal considering temperature effect based on fractional derivative

L Zhang, H Zhou, X Wang, L Wang, T Su, Q Wei… - Acta Geotechnica, 2022 - Springer
A triaxial creep model for deep coal considering temperature effect based on fractional
derivative is proposed for the condition of triaxial stress state. In order to study the …

Creep damage properties and nonlinear creep model of red sandstone treated at high temperature based on acoustic emission

X Pan, X Zhou - Acta Geotechnica, 2023 - Springer
This work studies the creep damage behaviors and nonlinear creep model of red sandstone
treated at high temperature. The porosity change, creep strain, long-term strength, creep rate …

A fractal order creep-damage constitutive model of silty clay

Q Yin, Y Zhao, W Gong, G Dai, M Zhu, W Zhu, F Xu - Acta Geotechnica, 2023 - Springer
Silty clay has a remarkable creep effect due to its high moisture content, strong
compressibility, and low shear strength. Studying the long-term creep characteristics of soft …

Creep modelling of soft soil based on the fractional flow rule: Simulation and parameter study

G Xiang, D Yin, C Cao, Y Gao - Applied Mathematics and Computation, 2021 - Elsevier
The creep deformation of soft soil is a critical factor in geotechnical design of engineering
facilities built on soft soil foundations. In this study, a novel fractional creep model for soft soil …

Time scales in the primary and secondary compression of soils

Y Liu, RI Borja - … Journal for Numerical and Analytical Methods …, 2022 - Wiley Online Library
The last several decades have seen a surge of papers dealing with analytical and semi‐
analytical solutions to the problem of one‐dimensional consolidation of soils. But rarely has …

Soil-Water characteristics and creep deformation of unsaturated expansive subgrade soil: Experimental test and simulation

Y Yao, J Li, Z Xiao, H Xiao - Frontiers in Earth Science, 2021 - frontiersin.org
The creep deformation of expansive soil has been considered as a vital threat to the safety
in engineering construction because it may cause serious slope diseases in geological …

An isochronous stress ratio logarithmic strain curve based clay creep model considering the effects of hardening and damage

P Wang, Y Tang, P Ren, H Zhang - Scientific Reports, 2024 - nature.com
Creep is one of the typical mechanical properties of clay, and studying the creep mechanical
properties of clay is of great significance to construction projects in clay sites. This study …

A state-dependent non-orthogonal elastoplastic constitutive model for sand

G Wang, Z Li, J Liang, D Lu, X Du - Computers and Geotechnics, 2024 - Elsevier
The state-dependent deformation behavior of sand is reinterpreted from the perspective of
strain increment magnitude and direction by analyzing the existing test data. A state …

A fractional-order damage creep model for grouting-reinforcement body under dry–wet cycle

Z Yin, X Zhang, Y Liu, H Yu, Q Zhang, X Li - Bulletin of Engineering …, 2023 - Springer
The grouted circle formed by curtain grouting is widely used to mitigate geohazards,
including the isolation of groundwater in tunnels. However, few studies have focused on the …