Anisotropic hydro-mechanical behavior of full-scale compacted bentonite-sand blocks

Y Tan, H Zhang, T Zhang, G Zhang, D He, Z Ding - Engineering Geology, 2021 - Elsevier
Compacted bentonite-sand blocks have been proposed to construct buffer barriers in high-
level radioactive waste (HLW) repositories in order to isolate wastes. The bentonite-based …

Microstructural effects on the wetting-induced collapse in compacted loess

M Ge, JA Pineda, D Sheng, GJ Burton, N Li - Computers and Geotechnics, 2021 - Elsevier
This paper presents the results of an experimental study aimed at evaluating the effects of
soil microstructure on volume change and wetting-induced collapse of a compacted loess …

Anisotropic bounding surface plasticity model for porous media

J Ma, J Guan, Y Gui, L Huang - International journal of …, 2021 - ascelibrary.org
An anisotropic plasticity model for the description of nonisotropic mechanical behaviors of
porous media is presented. This model is developed using bounding surface plasticity …

[HTML][HTML] Evaporation and shrinkage processes of compacted bentonite-sand mixtures

Y Tan, H Zhang, Y Wang - Soils and Foundations, 2020 - Elsevier
The deterioration of compacted bentonite-sand mixtures (CBSMs) after suffering desiccation
increases the hydraulic conductivity of clay barriers, posing risks to the environment. This …

[HTML][HTML] Advanced laboratory techniques characterising solids, fluids and pores in shales

M Josh, C Delle Piane, L Esteban, J Bourdet… - Journal of Petroleum …, 2019 - Elsevier
Shales are of significant interest as reservoirs, seals and overburden in petroleum
exploration and production, geological storage of CO 2 and in the nuclear waste industry …

Density spatial distribution and anisotropy of full-scale bentonite-sand blocks

J Zhu, Z Wang, H Zhang, D He - Construction and Building Materials, 2024 - Elsevier
Constructing buffer barriers using high-quality bentonite-based blocks is crucial for the
secure disposal of high-level radioactive waste (HLW). However, the density distribution and …

DEM simulation of microscopic structure and macroscopic mechanical behavior of clay in oedometer and triaxial compression tests

Z Shen, X Li, X Yi, Z Wang, H Gao - Computers and Geotechnics, 2024 - Elsevier
An updated DEM simulation scheme for clay is implemented by incorporating convex
polygon shaped platelets and robust algorithm for physico-chemical–mechanical interaction …

[HTML][HTML] Fabric investigation of natural sensitive clay from 3D nano-and microtomography data

G Birmpilis, AS Mohammadi, J Villanova… - Journal of …, 2022 - ascelibrary.org
Abstract The three-dimensional (3D) fabric in natural sensitive clay is quantified from a
combination of high resolution nano and microtomographies, scanning electron microscopy …

[PDF][PDF] Insights into granular mechanics through neutron scattering

CM Wensrich, J Pineda, V Luzin, L Suwal… - … Conference on Bulk …, 2019 - researchgate.net
Neutron scattering techniques have provided a window into the structure and mechanics of
solid materials for many decades. Recent work by the authors has demonstrated that these …