TL;DR: In this paper, a new volume change equation is proposed in terms of stress and degree of saturation, to give a better explanation to the non-linear change of soil compressibility under constant suctions.

TL;DR: In this paper, a 3D numerical model for mechanised excavations is presented, which is capable of simulating the overall process of excavation and construction of a tunnel when a TBM EPB (Tunnel Boring Machine-Earth Pressure Balance) is used.

TL;DR: In this article, a new procedure for the analysis of slope stabilization using piles is presented, which allows the assessment of soil pressure and its distribution along the pile segment above the slip surface based on soil-pile interaction.

TL;DR: In this paper, the authors investigated the three-dimensional surface crack initiation and propagation in two kinds of heterogeneous rocks via parallel finite element analysis using a supercomputer and demonstrated that the further propagation of wing cracks and shell-like cracks stop due to their wrapping (curving) behavior in 3D spaces, even if applied loads continue to increase.

TL;DR: In this article, an incrementally linear elastic, orthotropic constitutive model is suggested to represent the equivalent continuum pre-failure mechanical behavior of the jointed rock mass by incorporating the effect of joint geometry network by the fracture tensor components.

TL;DR: In this article, the authors present an algorithm for contact detection between polygonal or polyhedral (3-D) convex particles in the Discrete Element Method (DEM).

TL;DR: In this article, two methods, namely the autocorrelated slices and the method of interpolated auto-correlations, are proposed for slope reliability analysis incorporating two-dimensional spatial variation.

TL;DR: In this paper, the stiffness of a monopile foundation supporting an offshore wind turbine in undrained, over-consolidated clay having a spatial variation of the soil properties is investigated.

TL;DR: In this article, a series of simulations using the discrete element method (DEM) with polyhedral particles are introduced to simulate drained and undrained triaxial compression tests on sand specimens.

TL;DR: In this article, the authors investigated the consolidation behavior of composite soft clay ground using both physical model tests under an axial-symmetry condition and finite element simulations using the PLAXIS 2D program.

TL;DR: In this article, the effect of the variation of soil permeability during liquefaction and its effects on soil seismic response is studied using a fully coupled dynamic analysis using a well-calibrated critical state two-surface plasticity model, the focus of attention is on the effects of permeability variation on the behavior of liquefied grounds.

TL;DR: In this paper, a method for Bayesian updating of the reliability is successfully applied in conjunction with a stochastic nonlinear geotechnical finite element model, where uncertainty in the soil material properties is modelled by non-Gaussian random fields.

TL;DR: In this article, the authors presented a new numerical strategy for the design and verification of flexible falling rock barriers: passive protection measures for risk mitigation of potentially unstable rock slopes, and the key point of the proposed approach is that notwithstanding the complexity of the simulated phenomenon, the resulting highly non-linear, dynamic model is simple and produces an accurate prediction of all the relevant parameters for barrier design.

TL;DR: In this paper, three independent methods have been used to evaluate the roof collapse of underground rectangular cavities for a range of geometries and rock properties, and the results of the analysis allow for prediction of roof collapse and to determine whether the failure surface that develops in the rock mass remains localised or extends through the full depth of cover.

TL;DR: In this paper, the authors investigated the soil failure mechanisms and resulting foundation capacity under undrained VHM loading of a hybrid foundation concept, which consists of a skirted mat combined with an internal caisson compartment.

TL;DR: In this paper, a unique predictive model of the behavior of the porous media during biogrout injection is presented, where the general field equations describing the system are derived from the macroscopical balance equations and constitutive equations.

TL;DR: It is concluded that the associated sliding rule, in the context of granular contact dynamics, may be viewed as an artifact of the time discretization and that the use of an associated flow rule at the particle scale level generally is physically acceptable.

TL;DR: This study characterises the model uncertainty of a geotechnical model through a systematic comparison between model predictions and past performance data, and proposes a hybrid Markov Chain Monte Carlo simulation to decompose the high-dimensional Bayesian updating problem into a series of updating problems in lower dimensions.

TL;DR: In this paper, numerical computations using FLAC code are carried out to evaluate the soil bearing capacity factors for both smooth and rough ring footings for low and high friction associated and nonassociated Mohr-Coulomb soils.

TL;DR: In this article, a Coupled Eulerian-Lagrangian approach is used to simulate the installation process of full displacement piles and the influence of different ratios between the rotational and the penetration velocity are analyzed.

TL;DR: In this paper, three-dimensional finite element analyses are presented for piles of different geometries, installed at several distances from slopes of various inclinations, and the results of these analyses are used to establish the pattern of lateral load distribution along the pile length in relation to slope inclination and pile to slope distance.

TL;DR: In this paper, a constitutive model is proposed to describe the effect of bonding and fabric anisotropy on the behavior of artificially cemented sand, and a debonding law is proposed by assuming the de-bonding process is driven by the development of plastic deformation.

TL;DR: In this article, a simplified approach to consider the effect of spatial variability in a 2D random field for reliability analysis of basal-heave in a braced excavation in clay is presented.

TL;DR: In this article, a damage-dependent bounding-surface model based on a newly proposed hardening rule was developed to predict the cyclic shakedown and degradation of saturated clay and the effect of the initial anisotropic stress state.

TL;DR: In this paper, a continuous elastic analysis in finite difference form aimed at simulating the responses of both continuous and jointed pipelines subjected to tunnel-induced soil movement in multi-layered soils is presented.

TL;DR: In this paper, a knowledge-based clustered partitioning (KCP) approach is improved to determine the reliability index and probability of failure of a rock slope, where the Nataf transformation is adopted to transform the correlated non-normal random variables involved in the KCP approach into independent standard normal variables.

TL;DR: In this article, an analytical exploration into excess pore pressures generated during offshore spudcan installations was conducted using ABAQUS/Explicit for three effective-stress constitutive models coded using the user-defined material subroutine VUMAT.

TL;DR: In this paper, a constitutive model with rotation hardening was generalized from the triaxial compression state to a general stress state to reproduce the phenomenon of continuous, orderly and rapid changes in anisotropy during liquefaction.