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 …

[HTML][HTML] Deep learning-based evaluation of factor of safety with confidence interval for tunnel deformation in spatially variable soil

J Zhang, KK Phoon, D Zhang, H Huang… - Journal of Rock Mechanics …, 2021 - Elsevier
The random finite difference method (RFDM) is a popular approach to quantitatively
evaluate the influence of inherent spatial variability of soil on the deformation of embedded …

Collapse risk assessment of deep-buried tunnel during construction and its application

GZ Ou, YY Jiao, GH Zhang, JP Zou, F Tan… - … and Underground Space …, 2021 - Elsevier
The hazard of tunnel collapse is a key factor restricting the excavation progress and safety of
the tunnels excavated by drilling and blasting. To control this construction risk, a new risk …

Probabilistic analysis of tunnel longitudinal performance based upon conditional random field simulation of soil properties

W Gong, CH Juang, JR Martin II, H Tang… - … and Underground Space …, 2018 - Elsevier
Because of the inherent spatial variability of soil properties and the limited number of
boreholes that can be afforded in a typical project, the soil properties at given geotechnical …

[LIVRE][B] Reliability of geotechnical structures in ISO2394

KK Phoon, JV Retief - 2016 - books.google.com
The latest 4th edition of the international standard on the principles of reliability for load
bearing structures (ISO2394: 2015) includes a new Annex D dedicated to the reliability of …

Robustness analysis of shield tunnels in non-uniformly settled strata based on fuzzy set theory

Z Li, Z Zhong, X Cao, B Hou, L Li - Computers and Geotechnics, 2023 - Elsevier
This study presents a robustness analysis of shield tunnels in non-uniformly settled strata
based on the fuzzy point estimate method (FPEM) and geotechnical structural robustness …

Optimization design of stabilizing piles in slopes considering spatial variability

W Gong, H Tang, CH Juang, L Wang - Acta Geotechnica, 2020 - Springer
Although advances in piling equipment and technologies have extended the global use of
stabilizing piles (to stabilize slope or landslide), the design of stabilizing piles remains a …

A failure probability evaluation method for collapse of drill-and-blast tunnels based on multistate fuzzy Bayesian network

GH Zhang, W Chen, YY Jiao, H Wang, CT Wang - Engineering Geology, 2020 - Elsevier
Collapse is one of the main hazards during tunnel construction by the drill-and-blast method.
In order to evaluate the collapse risk and provide a basis for risk control, a failure probability …

A simplified method for estimating the longitudinal and circumferential behaviors of the shield-driven tunnel adjacent to a braced excavation

H Cheng, R Chen, H Wu, F Meng - Computers and Geotechnics, 2020 - Elsevier
The construction of soil excavations will inevitably have an adverse effect on the adjacent
tunnels. However, the structural responses of existing shield-driven tunnels adjacent to a …

Reliability based design optimization for a rock tunnel support system with multiple failure modes using response surface method

Q Lü, ZP **ao, J Ji, J Zheng - Tunnelling and Underground Space …, 2017 - Elsevier
Reliability-based design optimization (RBDO) is applied to a rock tunnel support system,
considering the ground-support interaction and the parametric uncertainties. Both reliability …