Better understanding the failure modes of tunnels excavated in the boulder-cobble mixed strata by distinct element method
T Liu, Y Xie, Z Feng, Y Luo, K Wang, W Xu - Engineering Failure Analysis, 2020 - Elsevier
As a typical discontinuous medium, the boulder-cobble mixed strata (BCMS) are often faced
with the problems of easy collapse and difficult to effectively support in the construction of …
with the problems of easy collapse and difficult to effectively support in the construction of …
3D large-deformation modelling on face instability and sinkhole formation during tunnelling through non-uniform soils
Natural soils exhibit spatially non-uniform properties, bringing some uncertainties on the
evaluation of tunnel stability. This study therefore investigates the face instability and in …
evaluation of tunnel stability. This study therefore investigates the face instability and in …
Effect of relative density of 2D granular materials on the arching effect through numerical trapdoor tests
The relative density and the fill height of granular materials influence the arching effect
significantly, from either the overall behavior of granular materials or the formation of the …
significantly, from either the overall behavior of granular materials or the formation of the …
Soil Arching and Ground Deformation around Tunnels in Sandy Grounds: Review and New Insights
G Khandouzi, MH Khosravi - Journal of Mining and …, 2024 - jme.shahroodut.ac.ir
Granular materials used in engineering structures tend to experience arching under different
geotechnical factors. Arching is a factor of load transfer from the destroyed zone to stable …
geotechnical factors. Arching is a factor of load transfer from the destroyed zone to stable …
[HTML][HTML] Theoretical analysis of three-dimensional ground displacements induced by shield tunneling
J Dalong, S Xiang, Y Dajun - Applied Mathematical Modelling, 2020 - Elsevier
In this study, an approach to estimate three-dimensional ground displacements induced by
shield tunneling is proposed by using the superposition method, advocating consideration of …
shield tunneling is proposed by using the superposition method, advocating consideration of …
Experimental study on deformation failure mechanism of surrounding rocks for the deep-buried twin tunnels in inclined layered strata during the excavation
F Shen, Y Song, W Zhao, J Wang, J Zheng… - Rock Mechanics and …, 2023 - Springer
The paper conducts a physical model test to study the deformation mechanism of twin
tunnels excavated in deep-buried inclined thin-layered rock strata. During the excavation …
tunnels excavated in deep-buried inclined thin-layered rock strata. During the excavation …
Probabilistic analysis of ground settlement induced by tunnel excavation in multilayered soil considering spatial variability
S Zhang, Y Wang, Q Gao, X Ma, H Zhou… - Computers and …, 2024 - Elsevier
Accurately evaluating and predicting the ground settlement during tunnel excavation are
crucial for ensuring the stability of tunnel structures. However, the traditional methods always …
crucial for ensuring the stability of tunnel structures. However, the traditional methods always …
Analysis of ground deformation induced by shield tunneling considering the effects of muck discharge and grouting
Many methods have been proposed to predict ground deformation caused by shield
tunneling, but few of them provide real-time prediction because the required input …
tunneling, but few of them provide real-time prediction because the required input …
[HTML][HTML] Large-Deformation Modeling of Surface Instability and Ground Collapse during Tunnel Excavation by Material Point Method
H Luo, S Zhang, M Sun, S Gong, C Hu - Buildings, 2024 - mdpi.com
Recent rapid urbanization has led to an increase in tunnel construction, escalating the
prevalence of ground collapses. Ground collapses, characterized by large deformation and …
prevalence of ground collapses. Ground collapses, characterized by large deformation and …
Influence of sand layer thickness on the collapse mechanism of tunnels in soil-sand-rock composite strata
J Gao, S Zhang, C Liu, Y Zhang, X Guan - Engineering Failure Analysis, 2024 - Elsevier
Collapse is a severe event during metro tunnel construction, particularly in soil-sand-rock
composite strata. Variations in the thickness of sand layers, owing to their high …
composite strata. Variations in the thickness of sand layers, owing to their high …