Impact assessment of geohazards triggered by 6 February 2023 Kahramanmaras Earthquakes (Mw 7.7 and Mw 7.6) on the natural gas pipelines

EO Unal, S Kocaman, C Gokceoglu - Engineering Geology, 2024 - Elsevier
The safe operation of pipelines transporting natural gas is crucial to meet the energy
demands of modern societies, but geohazards pose significant challenges to their integrity …

The seismic response mechanisms of segmental lining structures applied in fault-crossing mountain tunnel: The numerical investigation and experimental validation

YM Wen, CL Xin, YS Shen, ZM Huang, B Gao - Soil Dynamics and …, 2021 - Elsevier
To mitigate the seismic damage of the fault-crossing tunnel, this paper researches the scope
influenced by the fault and proposes a setting method of the segmental lining. It is concluded …

Modeling strip footings on slopes using the material point method

TC Xie, HH Zhu, CX Zhang, W Zhang - Bulletin of Engineering Geology …, 2023 - Springer
The footing-on-slope system is very complicated since it is governed, in part, by both the
bearing capacity and slope stability. The material point method (MPM), which is specifically …

Numerical analysis of buried pipelines response to bidirectional non-uniform seismic excitation

Z Guo, J Han, MH El Naggar, B Hou, Z Zhong… - Computers and …, 2023 - Elsevier
The multi-directional, spatially variable earthquake motion is a primary cause of pipeline
damage during earthquakes. A comprehensive finite element model considering soil …

Centrifuge tests of large-diameter steel pipes crossing strike–slip faults

W Liu, C Huang, S Zhang, Z Song - Engineering Structures, 2023 - Elsevier
Fault rupture is one of the main hazards for buried continuous pipes, and it has frequently
been investigated experimentally in recent decades. In this study, to explore and model the …

Modelling and analysing failure modes of buried pipelines perpendicularly crossing landslide boundaries

HJ Li, HH Zhu, CX Zhang, W Zhang - Soil Dynamics and Earthquake …, 2022 - Elsevier
The pipeline response to shallow translational landslides is investigated using
semianalytical and numerical methods. The orthogonality of a pipeline and the landslide …

Structural response of a prefabricated utility tunnel subject to a reverse fault

X Wu, C Nie, D Li, F Qiu, Y Tang - Buildings, 2022 - mdpi.com
Prefabricated utility tunnels have drawn much attention in relation to rapid urban
development. On this, how to maintain the integrity of an underground lifeline, which is …

Usage of Tyre Derived Aggregates as backfill around buried pipelines crossing strike-slip faults; model tests

M Karaman, HE Demirci, N Ecemis… - Bulletin of Earthquake …, 2022 - Springer
Buried pipelines crossing active faults are exposed to excessive soil forces under fault
movements due to large relative movement between pipes and the soil surrounding them …

Local buckling behavior of buried pipeline under seismic oblique-reverse fault displacement

L Xu, X Cheng, R Huang, W Chen, W Hu - Scientific Reports, 2022 - nature.com
Seismic fault displacement is the main factor leading to local buckling failure of the buried
pipeline, especially crossing the oblique-reverse fault. The local buckling behavior of the …

Geo-mechanical evaluation of a proposed gas storage in aquifer anticline trap with deep fault

Z Zhao, J Cui, H Liu, S Jia, C Liu, Z Xi… - Bulletin of Engineering …, 2024 - Springer
This paper investigates the feasibility of a proposed underground gas storage facility. Based
on S gas storage, a large-scale 2D hydromechanical coupling FEA model is established to …