Application of artificial neural networks for predicting the stability of rectangular tunnels in Hoek–Brown rock masses

S Keawsawasvong, S Seehavong… - Frontiers in Built …, 2022 - frontiersin.org
An artificial neural network (ANN) model for predicting the stability of rectangular tunnels in
rock masses based on the Hoek–Brown (HB) failure criterion is presented in this study …

Prediction of the stability of various tunnel shapes based on Hoek–Brown failure criterion using artificial neural network (ANN)

T Jearsiripongkul, S Keawsawasvong, C Thongchom… - Sustainability, 2022 - mdpi.com
In this paper, artificial neural network (ANN) models are presented in order to enable a
prompt assessment of the stability factor of tunnels in rock masses based on the Hoek …

Mechanistic study on the effect of seepage force on hydraulic fracture initiation

H Wang, D Zhou - Fatigue & Fracture of Engineering Materials …, 2024 - Wiley Online Library
The flow of fracturing fluid through rock pores generates a seepage force (SF) that disrupts
the existing stress equilibrium and significantly affects rock deformation and failure. Despite …

Modified pseudo–dynamic bearing capacity of strip footing on rock masses

J Liu, S Xu, XL Yang - Computers and Geotechnics, 2022 - Elsevier
In this paper, the seismic bearing capacity of a strip footing sitting on rock masses has been
investigated following the upper bound theorem of limit analysis. The generalized tangential …

Upper bound solution for the bearing capacity of two adjacent footings on rock masses

S Shamloo, M Imani - Computers and Geotechnics, 2021 - Elsevier
In this paper, the effect of the adjacency of two strip footings on bearing capacity of rock
masses was investigated using the upper bound analysis and finite element method. The …

Numerical evaluation of bearing capacity of strip footing on rockmass slope

A Parimi, S Keawsawasvong, JT Chavda - Transportation Infrastructure …, 2023 - Springer
It is common that the structures on the hilly terrain have footings laid on rockmass slopes.
For such a case, there is a need to evaluate the factors governing the bearing capacity of the …

Effect of embedment depth on the seismic bearing capacity of strip footing in rock mass

N Roy, S Koul - International Journal of Geomechanics, 2022 - ascelibrary.org
This study presents the numerical solution for the seismic bearing capacity of embedded
strip footing in Hoek–Brown rock mass. The upper-bound solutions are presented by …

Influence of temperature and confining pressure on the mechanical properties of granite

QL Ding, P Wang, Z Cheng - Powder Technology, 2021 - Elsevier
Uniaxial compression tests were performed to study the influence of temperature on the
physical and mechanical behaviour of granite. Then water flow experiments were conducted …

Effect of seepage force on the wellbore breakdown of a vertical wellbore

D Zhou, H Wang, Y Liu, S Liu, X Ma, W Cai… - Geofluids, 2021 - Wiley Online Library
As a fluid flows through a porous media, a drag force, called seepage force in the paper, will
be formed on the matrix of the media in the fluid flowing direction. However, the seepage …

Numerical study of the influence of seepage force on the stress field around a vertical wellbore

D Zhou, H Wang, ZX He, Y Liu, S Liu, X Ma… - Engineering …, 2020 - Taylor & Francis
Fluid seepage into rock pores not only generates poroelastic stress but also exerts seepage
force on the rock skeleton. However, since the mechanism of the effect of seepage force on …