Geotechnical stability analysis

SW Sloan - Géotechnique, 2013 - icevirtuallibrary.com
This paper describes recent advances in stability analysis that combine the limit theorems of
classical plasticity with finite elements to give rigorous upper and lower bounds on the …

A polytree-based adaptive approach to limit analysis of cracked structures

H Nguyen-Xuan, S Nguyen-Hoang, T Rabczuk… - Computer Methods in …, 2017 - Elsevier
We in this paper present a novel adaptive finite element scheme for limit analysis of cracked
structures. The key idea is to develop a general refinement algorithm based on a so-called …

A cell‐based smoothed finite element method for kinematic limit analysis

CV Le, H Nguyen‐Xuan, H Askes… - International Journal …, 2010 - Wiley Online Library
This paper presents a new numerical procedure for kinematic limit analysis problems, which
incorporates the cell-based smoothed finite element method with second-order cone …

Stability of dual circular tunnels in a rock mass subjected to surcharge loading

R Zhang, Y Xiao, M Zhao, H Zhao - Computers and Geotechnics, 2019 - Elsevier
This paper investigates the stability of dual circular tunnels in a rock mass subjected to
surcharge loading using adaptive finite element limit analysis (AFELA). The tunnels are …

Study on roof collapse of deep circular cavities in jointed rock masses using adaptive finite element limit analysis

R Zhang, G Chen, J Zou, L Zhao, C Jiang - Computers and Geotechnics, 2019 - Elsevier
This paper investigates the roof collapse of deep circular cavities in jointed rock masses
using adaptive finite element limit analysis. The rock mass strength is described by the …

Stability of dual square tunnels in rock masses subjected to surcharge loading

Y Xiao, M Zhao, R Zhang, H Zhao, G Wu - Tunnelling and Underground …, 2019 - Elsevier
The stability of dual unlined square tunnels subjected to surcharge loading in rock masses,
obeying Generalized Hoek-Brown (GHB) failure criterion, is investigated by adaptive finite …

Investigation of the cause of shield-driven tunnel instability in soil with a soft upper layer and hard lower layer

J Zhang, Y Liang, T Feng - Engineering Failure Analysis, 2020 - Elsevier
This paper presents a limit analysis of a tunnel in non-homogeneous soil using the upper-
bound limit analysis in combination with finite element technology and a mesh adaptive …

Ultimate bearing capacity of eccentrically loaded strip footings above voids in rock masses

G Wu, M Zhao, R Zhang, G Liang - Computers and Geotechnics, 2020 - Elsevier
Based on a self-developed adaptive finite element limit analysis (AFELA) code and
generalized Hoek-Brown (GHB) failure criterion, the footing-void system subjected to …

[HTML][HTML] Finite element analysis of slope stability by expanding the mobilized principal stress Mohr's circles–Development, encoding and validation

DA Bouzid - Journal of Rock Mechanics and Geotechnical …, 2022 - Elsevier
In recent years, finite element analysis is increasingly being proposed in slope stability
problems as a competitive method to traditional limit equilibrium methods (LEMs) which are …

A dual decomposition of the closest point projection in incremental elasto‐plasticity using a mixed shell finite element

FS Liguori, A Madeo, G Garcea - International Journal for …, 2022 - Wiley Online Library
Mixed assumed stress finite elements (FEs) have shown good advantages over traditional
displacement‐based formulations in various contexts. However, their use in incremental …