A numerical simulation using FLAC3D to analyze the impact of concealed karstic caves on the behavior of adjacent tunnels

M Mahmoudi, AM Rajabi - Natural Hazards, 2023 - Springer
The presence of karst cavities near the tunnels has a great impact on the behavior and
deformation of the tunnels, making it necessary to study the impact of these cavities before …

Sinkhole stability in elliptical cavity under collapse and blowout conditions

J Shiau, S Keawsawasvong, B Chudal… - Geosciences, 2021 - mdpi.com
Road subsidence and sinkhole failures due to shallow cavities formed by defective water
main have increased in recent decades and become one of the important research topics in …

Three-dimensional sinkhole stability of spherical cavity

J Shiau, B Chudal, S Keawsawasvong - Acta Geotechnica, 2022 - Springer
Sinkhole occurrences due to underground water mains operations have piqued people's
curiosity. Most research works were in relation to geophysical practices to discover the …

Effects of karst cave shape on the stability and minimum safety thickness of tunnel surrounding rock

LW Zhang, H Fu, J Wu, XY Zhang… - International Journal of …, 2021 - ascelibrary.org
Karst caves are often encountered during karst tunnel excavation, and the shape of the karst
cave has an impact on the stability of the tunnel surrounding rock. This paper focused on the …

New proposal to assess the seismic stability of shallow underground cavities in soft intact rocks

S Fabozzi, F de Silva, P Tommasi, E Bilotta… - Engineering …, 2024 - Elsevier
The seismic stability assessment of anthropogenic cavities is a challenging issue for land
and urban planning, particularly in areas of possible interaction with surface structures and …

Limit analysis of shallow tunnels collapse problem with optimized solution

J Liang, J Cui, Y Lu, Y Li, Y Shan - Applied Mathematical Modelling, 2022 - Elsevier
The aim of this study is to understand the collapse mechanism of a shallow tunnel based on
the upper bound analysis method, considering the variational approach for the problem with …

Undrained sinkhole collapse in anisotropic clays

VQ Lai, R Banyong, S Keawsawasvong - Arabian Journal of Geosciences, 2022 - Springer
This paper presents new plastic solutions of a spherical cavity in undrained anisotropic clay
under axisymmetric conditions by utilizing the upper bound (UB) and lower bound (LB) finite …

A multivariate time series analysis of ground deformation using Persistent Scatterer Interferometry

S Rigamonti, G Dattola, P Frattini, GB Crosta - Remote Sensing, 2023 - mdpi.com
Ground deformations in urban areas can be the result of a combination of multiple factors
and pose several hazards to infrastructures and human lives. In order to monitor these …

A vision on a UNESCO global geopark at the Southeastern dead sea in Jordan—How natural hazards may offer geotourism opportunities

D Al-Halbouni, O AlRabayah, D Nakath, L Rüpke - Land, 2022 - mdpi.com
This paper aims to identify and discuss the chances, solutions, and possible drawbacks
related to the establishment of safe geotourism sites in subsidence-affected areas …

Stability of unlined rectangular tunnels in rock masses subjected to surcharge loading

Y Xiao, R Zhang, M Zhao, J Jiang - International Journal of …, 2021 - ascelibrary.org
This paper investigates the stability of unlined rectangular tunnels in rock masses subjected
to surcharge loading using adaptive finite element limit analysis based on the generalized …