[HTML][HTML] Design equation for stability of a circular tunnel in anisotropic and heterogeneous clay
S Keawsawasvong, B Ukritchon - Underground Space, 2022 - Elsevier
The safety assessment of tunnel stability is critical to tunnel construction and requires
accurate analysis to obtain a reliable prediction. Strength anisotropy is an important aspect …
accurate analysis to obtain a reliable prediction. Strength anisotropy is an important aspect …
Undrained stability of unlined square tunnels in clays with linearly increasing anisotropic shear strength
B Ukritchon, S Keawsawasvong - Geotechnical and Geological …, 2020 - Springer
In general, the undrained strength anisotropy of clays is found in nature. Its effect on a
stability problem during undrained loading should be considered in order to get a more …
stability problem during undrained loading should be considered in order to get a more …
Seismic stability of unsupported vertical circular excavations in c-φ soil
P Petchkaew, S Keawsawasvong… - Transportation …, 2023 - Springer
In this study, the seismic stability of vertical circular excavations in cohesive-frictional soil
considering the effect of pseudo-static seismic body force is examined. The lower bound and …
considering the effect of pseudo-static seismic body force is examined. The lower bound and …
Stability of long unsupported twin circular tunnels in soils
The stability of two long unsupported circular parallel tunnels aligned horizontally in fully
cohesive and cohesive–frictional soils has been determined. An upper bound limit analysis …
cohesive and cohesive–frictional soils has been determined. An upper bound limit analysis …
Stability analysis of unlined elliptical tunnel using finite element upper-bound method with rigid translatory moving elements
F Yang, J Zhang, J Yang, L Zhao, X Zheng - Tunnelling and Underground …, 2015 - Elsevier
The stability of an unlined elliptical tunnel in cohesive-frictional soils is determined. The
analysis has been performed with two methods: finite element upper-bound method with …
analysis has been performed with two methods: finite element upper-bound method with …
3D stability analysis of unsupported rectangular excavation under pseudo-static seismic body force
P Petchkaew, S Keawsawasvong… - Geomechanics and …, 2023 - Taylor & Francis
In this paper, the seismic stability number of unsupported excavations in cohesive-frictional
soil under the influence of pseudo-static seismic body forces is examined. Three …
soil under the influence of pseudo-static seismic body forces is examined. Three …
[HTML][HTML] The use of the node-based smoothed finite element method to estimate static and seismic bearing capacities of shallow strip footings
The node-based smoothed finite element method (NS-FEM) is shortly presented for
calculations of the static and seismic bearing capacities of shallow strip footings. A series of …
calculations of the static and seismic bearing capacities of shallow strip footings. A series of …
Stability of a circular tunnel in presence of pseudostatic seismic body forces
The stability of a long circular tunnel in a cohesive frictional soil medium has been
determined in the presence of horizontal pseudo-static seismic body forces. The tunnel is …
determined in the presence of horizontal pseudo-static seismic body forces. The tunnel is …
[HTML][HTML] Three-dimensional seismic face stability of shield tunnels in undrained clay
Tunnel face stability has received increasing research interest over the past few decades.
However, computing time-efficient and safe three-dimensional solutions under seismic …
However, computing time-efficient and safe three-dimensional solutions under seismic …
An extreme learning neural network approach for seismic bearing capacity estimation of planar caissons in nonhomogeneous clays
This study employs a two-dimensional plane strain finite element limit analysis method to
evaluate the seismic bearing capacity of a planar caisson in anisotropic and non …
evaluate the seismic bearing capacity of a planar caisson in anisotropic and non …