DEM study on role of fines in mobility of dry granular flows considering particle size-shape correlation
Many field observations show that the shape characteristic of particles constituting natural or
industrial loose deposits is often size-correlated, that is, either more regular or irregular for …
industrial loose deposits is often size-correlated, that is, either more regular or irregular for …
The deformation coordination-dominated design of yielding supports applied in large deformation tunnels
K Wu, J Song, X Zheng, N Zhao, Z Shao, Z Chu - Acta Geotechnica, 2024 - Springer
Yielding supports have shown significant advantages in overcoming the problems of large
deformations caused by tunnelling in squeezing ground. The purpose of this study is to …
deformations caused by tunnelling in squeezing ground. The purpose of this study is to …
[HTML][HTML] Theoretical prediction of ground settlements due to shield tunneling in multi-layered soils considering process parameters
This paper conducts a theoretical analysis of ground settlements due to shield tunneling in
multi-layered soils which are usually encountered in urban areas. The proposed theoretical …
multi-layered soils which are usually encountered in urban areas. The proposed theoretical …
Prediction of the slurry pressure and inversion of formation characteristics based on a machine learning algorithm during tunnelling in a fault fracture zone
The reasonable setting of the slurry pressure is very important for the safety of shield tunnel
construction. In view of the common geological problems of high water pressure and …
construction. In view of the common geological problems of high water pressure and …
Machine learning approach to predicting the macro-mechanical properties of rock from the meso-mechanical parameters
The determination of fundamental rock mechanical properties, uniaxial compression
strength (UCS) and elastic modulus (E), constitutes a pivotal facet of rock engineering …
strength (UCS) and elastic modulus (E), constitutes a pivotal facet of rock engineering …
Analytical approach for the design of composite linings in deep tunnels considering the blasting damaged zone
Tunneling using the drilling and blasting method induces a blasting damaged zone around
the tunnel, which affects the tunnel stability as well as the resulting support design. In this …
the tunnel, which affects the tunnel stability as well as the resulting support design. In this …
Investigating the impacts of reinforcement range and grouting timing on grouting reinforcement effectiveness for tunnels in fault rupture zones using a numerical …
In this study, an enhanced numerical manifold method (NMM) simulator is developed to
determine the combined impacts of reinforcement range and grouting timing on the …
determine the combined impacts of reinforcement range and grouting timing on the …
Data-driven hierarchical multiscale FDEM for simulating rock meso-macro mechanical behavior
R Zhao, Z Wu, X Xu, Z Wang - Computer Methods in Applied Mechanics …, 2024 - Elsevier
This study presents a data-driven based hierarchical multiscale combined finite-discrete
element method (DHM-FDEM) for accurately reproducing rock macro-scale mechanical …
element method (DHM-FDEM) for accurately reproducing rock macro-scale mechanical …
[HTML][HTML] Analytical solutions considering face advance and time-dependent behavior for back-analysis of convergence measurements in deep circular tunnels under …
A Tristani, J Sulem, LM Guayacán-Carrillo - International Journal of Rock …, 2024 - Elsevier
A methodology is presented for the back-analysis of convergence measurements in deep
tunnels to determine the constitutive parameters of the surrounding rock mass. Since …
tunnels to determine the constitutive parameters of the surrounding rock mass. Since …
[HTML][HTML] Research on stress field inversion and large deformation level determination of super deep buried soft rock tunnel
B Zhang, Z Tan, J Zhao, F Wang, K Lin - Scientific Reports, 2024 - nature.com
Understanding the characteristics and distribution patterns of the initial geo-stress field in
tunnels is of great significance for studying the problem of large deformation of tunnels …
tunnels is of great significance for studying the problem of large deformation of tunnels …