Coupled characterization of stratigraphic and geo-properties uncertainties–a conditional random field approach

W Gong, C Zhao, CH Juang, Y Zhang, H Tang, Y Lu - Engineering Geology, 2021 - Elsevier
Site characterization, which aims to characterize the subsurface stratigraphic configuration
and the associated geo-properties, has long been a significant challenge in geological and …

Improved coupled Markov chain method for simulating geological uncertainty

JZ Zhang, ZQ Liu, DM Zhang, HW Huang, KK Phoon… - Engineering …, 2022 - Elsevier
Geological uncertainty is common in nature due to complex depositional processes as one
layer appears to be randomly embedded in neighbouring layers. However, the geo …

Undrained stability of braced excavations in clay considering the nonstationary random field of undrained shear strength

W Tanapalungkorn, W Yodsomjai… - Scientific Reports, 2023 - nature.com
The basal heave stability of supported excavations is an essential problem in geotechnical
engineering. This paper considers the probabilistic analysis of basal heave stability of …

An integrated machine learning framework with uncertainty quantification for three-dimensional lithological modeling from multi-source geophysical data and drilling …

Z Zhang, G Wang, EJM Carranza, C Liu, J Li, C Fu… - Engineering …, 2023 - Elsevier
Nowadays, it is commonplace for geological surveys to integrate multi-source geophysical
data and drilling data in order to construct three-dimensional (3D) lithological models. In this …

Optimization of site exploration program based on coupled characterization of stratigraphic and geo-properties uncertainties

C Zhao, W Gong, CH Juang, H Tang, X Hu, L Wang - Engineering Geology, 2023 - Elsevier
Due to the inherent spatial variability of the geological bodies, limited boreholes
(constrained by budget), and data interpretation errors, the subsurface conditions (in terms …

A rigorous random field-based framework for 3D stratigraphic uncertainty modelling

W Yan, P Shen, WH Zhou, G Ma - Engineering Geology, 2023 - Elsevier
Sustainable development goals for site-specific and customized design have brought needs
to assess and quantify the stratigraphic uncertainty in three-dimensional (3D) modelling. The …

[HTML][HTML] Rockhead profile simulation using an improved generation method of conditional random field

L Han, L Wang, W Zhang, B Geng, S Li - Journal of Rock Mechanics and …, 2022 - Elsevier
Rockhead profile is an important part of geological profiles and can have significant impacts
on some geotechnical engineering practice, and thus, it is necessary to establish a useful …

Assessment of reclamation-induced consolidation settlement considering stratigraphic uncertainty and spatial variability of soil properties

C Shi, Y Wang - Canadian Geotechnical Journal, 2022 - cdnsciencepub.com
Consolidation analysis is a key task for reclamation design. Although consolidation is a long-
term process, acceleration of consolidation is often preferred for speeding up the …

Stochastic stratigraphic modeling using Bayesian machine learning

X Wei, H Wang - Engineering Geology, 2022 - Elsevier
Stratigraphic modeling with quantified uncertainty is an open question in engineering
geology. In this study, a novel stratigraphic stochastic simulation approach is developed by …

Data-driven multi-stage sampling strategy for a three-dimensional geological domain using weighted centroidal voronoi tessellation and IC-XGBoost3D

C Shi, Y Wang, V Kamchoom - Engineering Geology, 2023 - Elsevier
Conventional site investigation schemes typically use an empirical sampling strategy, which
involves equal sampling spacing with regular grid patterns. However, this approach assigns …