Reliability Studies of Slope Stability: Effect of various approaches to derive distributions of soil properties in reliability studies of slope stability

In the past few decades, the use of Bayes' theorem in geotechnical engineering has increased significantly. A good amount of work is done on implementing this theorem for improving the knowledge on soil properties, identification of soil strata, and quantifying different uncertainties involved in predicting soil properties. However, the results...

Probabilistic analysis of slope stability in spatially variable soils using Monte Carlo simulation

Soil properties are spatially variable due to the natural deposition process. Because of this inherent spatial variability, a slope can actually fail along any potential slip surface. A single value of Factor of safety cannot account for this variation dominated the slope stability problem. Probabilistic analysis considering the spatial...

Use of displacement as a proxy for dike safety

Climatic conditions and vegetation cover influence water flux in a slope which affect the pore water pressure and self weight, hence its stability. High evapotranspiration and low precipitation rates during summer cause dry soil with low soil moisture (SM) that leads to soil shrinkage, which leads to cracking and reduced shear strength, which...

Predicting rainfall induced slope stability using Random Forest regression and synthetic data

Water fluxes in slopes are affected by climatic conditions and vegetation cover, which influence the effective stress and stability. The vegetation cover is the intermediate layer between the atmosphere and the slope surface that alter water balance in the slope through evapotranspiration and leaf interception. This paper studies the datadriven...

Implementation of non-trivial boundary conditions in MPM for geotechnical applications

This paper describes current work on the implementation of non-trivial boundary conditions (BCs) for improving the general applicability of the Material Point Method (MPM) to geotechnical boundary values problems. It summarises novel boundary treatments (non-trivial BCs) in MPM for (i) flow conditions, as well as (ii) the application of a...

The Effect of Soil-Vegetation-Atmosphere Interaction on Slope Stability: A Numerical Study

The stability of a dike is influenced strongly by its water content, by way of changes in effective stress and weight. While flow through porous media is relatively well understood, water flux in and out of a dike through a vegetated surface is not as well understood. This paper presents a numerical study of the soil-vegetation-atmosphere...

Stability Analysis of Geotextile-reinforced Slope Based on Japan Earthquake in 2011: Yuriage, Natori City Case

The use of geotextile for slope strengthening was proven based on the investigation and report by Kuwano, Miyata, and Koseki (2014). Therefore, this research examines the impact of geotextile application on slope stability in newly-elevated area in Yuriage, Natori City, Japan. This project discussed the analysis of geotextile-reinforced slope by...

Analysing the effect of rainfall on railway embankments using fragility curves

Many railway embankments across Europe were constructed over 150 years ago. These embankments were not subject to rigorous design practice but instead were crudely constructed using end tipping techniques. As a result, the majority of these embankments are overly steep and far in excess of the design angles recommended in Eurocode 7. Over recent...

An Uncertainty Framework for Improbable Slope Failure

Soil properties used to determine the stability of soil structures are variable in nature. Uncertainty in soil can be attributed to its inherent variability, as well as sources of error encountered while estimating the magnitude of its properties. The modelling of these uncertainties will produce more meaningful solutions when evaluating...