Seismic response of underground stations with friction pendulum bearings under horizontal and vertical ground motions

Z Chen, P Jia - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
The previous earthquake surveys show that central columns are the weak parts in subway
stations during the earthquakes. Reducing the seismic responses of central columns can …

Damage analysis of cut-and-cover tunnel structures under seismic loading

TH Lee, D Park, DD Nguyen, JS Park - Bulletin of Earthquake Engineering, 2016 - Springer
Damage analyses of rectangular cut-and-cover tunnels are performed to define the damage
states and corresponding damage indices (DIs) under seismic loading. Single, double, and …

Comparative study on the seismic performance of subway stations using reinforced concrete cast-in-place columns and truncated columns

C Ma, Y Zhao, H Dong, D Lu, X Du - Soil Dynamics and Earthquake …, 2023 - Elsevier
Insufficient lateral deformability of columns within the high axial force is the main failure
mechanism of subway stations under earthquake loading. This study proposed applying …

Effects of central column aspect ratio on seismic performances of subway station structures

ZY Chen, ZQ Liu - Advances in Structural Engineering, 2018 - journals.sagepub.com
The subway station structures have a contradiction in its design of the cross section of the
central columns: larger aspect ratio increases the longitudinal traffic capacity, yet decreases …

Effect mechanism of connection joints in fabricated station structures

H He, Z Li - Applied Sciences, 2021 - mdpi.com
The seismic response of a fabricated subway station is a complex structural connection
problem that depends on the mechanical properties of the joints. In order to obtain the …

Parameter analysis and optimization of friction pendulum bearings in underground stations based on genetic algorithm

Z Chen, P Jia, Y Fan, Z Liu - Journal of earthquake engineering, 2022 - Taylor & Francis
This paper analyses the influence of friction coefficient and equivalent radius on the seismic
reduction effect of friction pendulum bearings in the underground station under far-field and …

Seismic reduction effectiveness of friction pendulum bearings in underground station structures

P Jia, Z Chen - International Journal of Computational Methods, 2021 - World Scientific
Setting friction pendulum bearings (FPB) at the top of central columns may be a good
strategy to reduce the stations' seismic responses. In this paper, the FPB is simulated in a …

Seismic control strategy of a multi-story subway station based on probability density evolution method

ZQ Liu, ZY Chen - International Journal of Computational Methods, 2020 - World Scientific
The method to protect the whole station structure by installing flexible devices at the column
end has been proved to be effective in typical station structures. However, the dam** …

Characteristics of earthquake input energy of a subway station structure based on probability density evolution method

ZQ Liu, ZY Chen, H Zhao - International Journal of Computational …, 2021 - World Scientific
Understanding seismic energy input and dissipation mechanism is necessary for energy-
based seismic design of complex underground structures. Due to the intrinsic uncertainty of …