Developments in seismic vulnerability assessment of tunnels and underground structures

G Tsinidis, A Karatzetzou, S Stefanidou… - Geotechnics, 2022 - mdpi.com
Underground structures are being constructed at an increasing rate in seismic prone areas,
to facilitate the expanding needs of societies. Considering the vital role of this infrastructure …

Seismic vulnerability analysis for shallow-buried underground frame structure considering 18 existing subway stations

J Jiang, MH El Naggar, W Huang, C Xu, K Zhao… - Soil Dynamics and …, 2022 - Elsevier
The variability of structural engineering parameters is not accounted for in available
literature on seismic vulnerability of underground frame structures. This study investigates …

Probabilistic framework for seismic resilience assessment of transmission tower-line systems subjected to mainshock-aftershock sequences

J Liu, L Tian, M Yang, X Meng - Reliability Engineering & System Safety, 2024 - Elsevier
Immediate damage to electricity transmission systems after strong earthquakes can
significantly cause widespread power outages and impede maintenance activities. Whereas …

Optimal selection of scalar and vector-valued intensity measures for improved fragility analysis in cross-fault hydraulic tunnels

B Sun, M Deng, S Zhang, C Wang, W Cui, Q Li… - … and Underground Space …, 2023 - Elsevier
Seismic intensity measures (IMs) are crucial because they are significantly connected to
earthquake hazards and structural responses. It means that selecting appropriate IMs is …

Seismic performance and fragility of two-story and three-span underground structures using a random forest model and a new damage description method

J Yang, H Zhuang, G Zhang, B Tang, C Xu - Tunnelling and Underground …, 2023 - Elsevier
This paper proposes a new method for evaluating the seismic performance and fragility of
large underground structures. A typical underground subway station consisting of a two …

Post-earthquake functionality assessment for urban subway systems: Incorporating the combined effects of seismic performance of structural and non-structural …

J Hu, W Wen, C Zhai, S Pei - Reliability Engineering & System Safety, 2024 - Elsevier
This study proposes a framework to evaluate and quantify the post-earthquake functionality
of subway systems. The effects of the seismic performance of structural and non-structural …

Effect of parameters associated with soil-to-structure relative stiffness on seismic fragility curves of subway station

J Jiang, MH El Naggar, C Xu, X Du - Tunnelling and Underground Space …, 2023 - Elsevier
Seismic response and vulnerability of subway station underground structures are greatly
influenced by kinematic soil-structure interaction, which is a function of soil properties and …

Fuzzy seismic fragility analysis of underground structures considering multiple failure criteria

M Xu, C Cui, J Zhao, C Xu, P Zhang, J Su - Tunnelling and Underground …, 2024 - Elsevier
To avoid the deficiency of a single failure criterion and deterministic thresholds of limit states
in seismic fragility analysis of underground structures, a method of fuzzy seismic fragility …

Seismic fragility analysis of in-service shield tunnels considering surface building and joint-bolt corrosion

H Liu, K Song, Z Ye, C Wang, H Liu - Soil Dynamics and Earthquake …, 2022 - Elsevier
The present study aims to assess the seismic fragility of shield tunnels in the transverse
direction based on investigating seismic performance of segments and joints, accounting for …

Blast resisting responses and upgrading technology for an underground structure subjected to external explosions

Y Wang, Z Zhao, H Qiang, X Wang, J Guo - Structures, 2023 - Elsevier
Underground structures are widely constructed as the key parts of lifeline system with
synthetic functions in modern society. Simultaneously, the integration of blast-resisting …