Stability analysis and deformation control method of swelling soft rock roadway adjacent to chambers

W Zhang, T Zhao, X Zhang - … and Geophysics for Geo-Energy and Geo …, 2023 - Springer
The surrounding rock of swelling soft rock roadway has high clay mineral content, strong
expansibility after encountering water, low strength and poor cementation. The roadway is …

A novel peridynamics modelling of cemented granular materials

S Mohajerani, G Wang, Y Zhao, F Jin - Acta Geotechnica, 2023 - Springer
Cemented granular materials (CGMs) are multi-phase materials consisting of a skeleton of
solid particles and a cement phase completely or partially filling the voids among the …

Constitutive modeling of structured granular materials with anisotropic grain skeleton and cement bonds

X Shen, F Marinelli, G Buscarnera - Acta Geotechnica, 2022 - Springer
Structured granular materials exhibit strongly anisotropic mechanical behaviours resulting
from the directional properties of their microstructural components such as grain shape …

A thermodynamics-based hyperelastic-plastic coupled model unified for unbonded and bonded soils

Z Zhang, L Li, Z Xu - International Journal of Plasticity, 2021 - Elsevier
A hyperelastic-plastic coupled constitutive model unified for bonded and unbonded soils is
developed in this paper based on thermodynamics. An elastic potential function applicable …

Study on crack propagation characteristics of rocks with different lateral pressure based on joint monitoring of DIC and AE

W Zhang, W Liu, X Zhang - … and Geophysics for Geo-Energy and Geo …, 2024 - Springer
During the process of rock failure, the characteristics of crack propagation affect the fracture
characteristics and macroscopic mechanical behavior of rocks, indirectly affecting the safety …

A Failure Mechanism of Supports in Weakly Cemented Soft Rock Roadways and the Synergistic Support Design

K Zhou, F Yu, Y Tan, W Zhao, L Xu - Rock Mechanics and Rock …, 2024 - Springer
Weakly cemented soft rock roadways are prone to severe roof lowering and floor heave,
especially under strong mining. The failure of bolt (cable) supports is significant. Theoretical …

A breakage–damage framework for porous granular rocks in surface-reactive environments

X Shen, G Buscarnera - International Journal of Rock Mechanics and …, 2022 - Elsevier
High-porosity granular rocks are moisture-sensitive solids, in that their strength and
deformability are modulated by the relative humidity of their environment. Here, a novel …

Study on failure mechanism and zoning control of weakly cemented roadway adjacent chambers

W Zhang - KSCE Journal of Civil Engineering, 2023 - Springer
The strength of weakly cemented surrounding rock is low, and the bonding ability is weak.
The rock forming roadway is affected by the stress disturbance after the excavation and …

Micro and macro mechanical characterization of artificial cemented granular materials

A Farhat, LH Luu, A Doghmane, P Cuéllar… - Granular Matter, 2024 - Springer
The focus of this study is the experimental characterization of cemented granular materials,
with the aim of identifying the microscopic properties of the solid bonds and describing the …

[HTML][HTML] Analyzing the surface subsidence pattern of deep mining in ecologically fragile areas of western China

Q Du, G Guo, L Zhang, H Li, H Zheng, F Meng… - KSCE Journal of Civil …, 2024 - Elsevier
Mining subsidence is a common engineering geological and ecological problem in coal-
producing countries around the world. In this study, we obtained surface subsidence time …