Scale of fluctuation for spatially varying soils: estimation methods and values

B Cami, S Javankhoshdel, KK Phoon… - ASCE-ASME Journal of …, 2020 - ascelibrary.org
Spatial variability is one of the major sources of uncertainty in geotechnical applications.
This variability is characterized customarily by the scale of fluctuation. Scale of fluctuation …

Response surface methods for slope reliability analysis: review and comparison

DQ Li, D Zheng, ZJ Cao, XS Tang, KK Phoon - Engineering Geology, 2016 - Elsevier
This paper reviews previous studies on developments and applications of response surface
methods (RSMs) in different slope reliability problems. Based on the review, four types of …

Novel approach to estimate vertical scale of fluctuation based on CPT data using convolutional neural networks

JZ Zhang, KK Phoon, DM Zhang, HW Huang… - Engineering …, 2021 - Elsevier
The inherent spatial variability of soil properties is the main sauces of uncertainties in the
site investigation, and it is commonly characterized using random field theory. In the context …

A multiple response-surface method for slope reliability analysis considering spatial variability of soil properties

DQ Li, SH Jiang, ZJ Cao, W Zhou, CB Zhou… - Engineering geology, 2015 - Elsevier
This paper proposes a multiple response-surface method for slope reliability analysis
considering spatially variable soil properties. The scales of fluctuation of soil shear strength …

Influences of spatial variability of hydrothermal properties on the freezing process in artificial ground freezing technique

KQ Li, ZY Yin, Y Liu - Computers and Geotechnics, 2023 - Elsevier
Artificial ground freezing (AGF) has been extensively applied in underground engineering
construction as a popular ground-support technique. In recent decades, a series of …

Efficient system reliability analysis of slope stability in spatially variable soils using Monte Carlo simulation

SH Jiang, DQ Li, ZJ Cao, CB Zhou… - Journal of Geotechnical …, 2015 - ascelibrary.org
Monte Carlo simulation (MCS) provides a conceptually simple and robust method to
evaluate the system reliability of slope stability, particularly in spatially variable soils …

Quantitative evaluation of geological uncertainty and its influence on tunnel structural performance using improved coupled Markov chain

JZ Zhang, HW Huang, DM Zhang, KK Phoon, ZQ Liu… - Acta Geotechnica, 2021 - Springer
The geo-structures embedded in the multiple variable strata could be significantly affected
by the geological uncertainty. The quantitative evaluation of geological uncertainty and its …

Quantification of prior knowledge in geotechnical site characterization

Z Cao, Y Wang, D Li - Engineering Geology, 2016 - Elsevier
Geotechnical characterization of a project site often starts with desk-study and site
reconnaissance, which provide site information available prior to the project (eg, existing …

Statistical interpretation of soil property profiles from sparse data using Bayesian compressive sampling

Y Wang, T Zhao - Géotechnique, 2017 - icevirtuallibrary.com
In geotechnical engineering, the number of measurement data obtained from in situ or
laboratory tests is usually sparse, especially for projects of small or medium size …

Copula-based approaches for evaluating slope reliability under incomplete probability information

XS Tang, DQ Li, CB Zhou, KK Phoon - Structural Safety, 2015 - Elsevier
Slope reliability under incomplete probability information is a challenging problem. In this
study, three copula-based approaches are proposed to evaluate slope reliability under …