Modified state surface approach to study unsaturated soil hysteresis behavior

B Riad, X Zhang - Transportation Research Record, 2020 - journals.sagepub.com
Unsaturated soils are often used as a construction material in transportation infrastructures.
In this situation, unsaturated soils are subjected to cyclic mechanical loading from traffic …

Consistent Three-Dimensional Elasto-Plastic Model to Study Unsaturated Soil Behavior with Considerations of Coupled Hydro-Mechanical Hysteresis

B Riad, X Zhang - Transportation Research Record, 2021 - journals.sagepub.com
This paper presents a consistent three-dimensional elasto-plastic model to study
unsaturated soil behavior with consideration of coupled hydro-mechanical hysteresis. The …

Some aspects of numerical modelling of hydraulic hysteresis of unsaturated soils

J Ghorbani, DW Airey - Unsaturated soils: Behavior …, 2019 - research.monash.edu
Abstract The Soil Water Characteristic Curve (SWCC) plays an essential role in the
response of unsaturated soils as it quantifies the ability of soils to maintain or lose their …

Characterizing and modeling the coupled hydro-mechanical cyclic behavior of unsaturated soils using constant water content oedometer and direct shear tests

B Riad, X Zhang - Transportation Research Record, 2022 - journals.sagepub.com
Most transportation infrastructures are constructed on compacted soils that are typically
unsaturated above the groundwater table. The soils are subjected to cyclic traffic loadings …

Remarks on Constitutive Modeling of Unsaturated Soils

X Zhang, L Chen, L Li - … of Geomaterials: Selected Papers From the …, 2009 - ascelibrary.org
More and more attention has been paid to account for the effects of hydraulic behavior
including hydraulic hysteresis on the stress-strain behavior of unsaturated soils. Current …

Using modified state surface approach to study the hydro-mechanical behavior of unsaturated soils

B Riad, X Zhang - Geo-Congress 2020, 2020 - ascelibrary.org
Studying the hydro-mechanical behavior of the unsaturated soils is one of the critical
challenges in the geotechnical engineering field. Many researchers developed elastoplastic …

Numerical modelling of the dynamic behavior of unsaturated soils, including hydraulic hysteresis

B Zhang, KK Muraleetharan - Geotechnical Frontiers 2017, 2017 - ascelibrary.org
Unsaturated soils are commonly encountered in natural soil deposit above the ground water
table and in compacted soil structures. The use of compacted soils in earthquake prone …

Effects of hysteresis on hydro-mechanical behavior of unsaturated soil

J Kim, W Hwang, Y Kim - Engineering Geology, 2018 - Elsevier
Hysteresis is a common feature in the hydraulic properties of unsaturated soils. At a given
matric suction, the volumetric water content on a wetting curve is always lower than that on a …

Modified state-surface approach to the study of unsaturated soil behavior. Part III: Modeling of coupled hydromechanical effect

X Zhang, RL Lytton - Canadian Geotechnical Journal, 2012 - cdnsciencepub.com
A modified state-surface approach (MSSA) was proposed in the authors' previous study to
investigate volume change of the soil skeleton for unsaturated soils. This paper discussed …

Soil-water characteristics and hysteretic behaviors on unsaturated pavement subgrades in test roads

S Gil-Ho - International Journal of Highway Engineering, 2006 - koreascience.kr
Hysteresis is a common feature exhibited in hydraulic properties of an unsaturated soil. This
study focuses on hysteresis observed in a compacted weathered granite subgrade soils …