Near-fault pulse seismic ductility spectra for bridge columns based on machine learning

T Yang, X Yuan, J Zhong, W Yuan - Soil Dynamics and Earthquake …, 2023 - Elsevier
The seismic ductility spectra (SDS) method is a crucial tool to quickly evaluate the ductility
demand of bridge columns with varied constitutive models. However, conventional SDS …

Probabilistic seismic demand model of UBPRC columns conditioned on Pulse-Structure parameters

J Zhong, L Shi, T Yang, X Liu, Y Wang - Engineering Structures, 2022 - Elsevier
Unbonded prestressed reinforced concrete (UBPRC) column has attracted the attention of
many researchers in bridge seismic design because of its small residual displacement …

Potential bias of conventional structural seismic fragility for bridge structures under pulse-like ground motions: Bias evaluation and strategy improvement

T Yang, Y Wei, J Zhong - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
Previous studies have highlighted the serious biases that may happen in probabilistic
structural fragility analysis (PSFA) due to the ignorance of the effect of pulse period under …

Seismic vulnerability of offshore wind turbines to pulse and non‐pulse records

A Ali, R De Risi, A Sextos, K Goda… - … & Structural Dynamics, 2020 - Wiley Online Library
The increasing number of wind turbines in active tectonic regions has attracted scientific
interest to evaluate the seismic vulnerability of offshore wind turbines (OWTs). This study …

Effects of near‐fault acceleration and non‐acceleration pulses on pounding between in‐plan irregular fixed‐base and base‐isolated buildings

F Mazza, R Labernarda - Structural Control and Health …, 2022 - Wiley Online Library
Concave surface sliders (CSSs) are considered as an effective solution for retrofitting
adjacent buildings irregular in plan that could undergo significant seismic pounding due to …

Analysis framework for the seismic performance of a concrete high-arch dam considering the incident direction and oblique incident angle of near-fault SV-waves

T Zhang, Q Xu, J Chen, Y Wang, J Li - Soil Dynamics and Earthquake …, 2023 - Elsevier
This study aims to develop an analytical framework to assess the seismic performance of
high-arch dams by considering the incident direction and input angle of near-fault (NF) …

Seismic response analysis of intake tower structure under near-fault ground motions with forward-directivity and fling-step effects

X Chen, Y Liu, B Zhou, D Yang - Soil Dynamics and Earthquake …, 2020 - Elsevier
Forward-directivity and fling-step effects of fault rupture generally cause large amplitude and
long-period velocity pulses in near-fault ground motions, which impose severe damages on …

Multi-pulse characteristics of near-fault ground motions

X Chen, D Wang - Soil Dynamics and Earthquake Engineering, 2020 - Elsevier
Multi-pulse characteristics of near-fault ground motions, such as the number of inherent
pulses, pulse periods, and amplitudes, have notable influences on the response of …

Seismic performance of earth dams founded on liquefiable soil layer subjected to near-fault pulse-like ground motions

Q Wu, DQ Li, Y Liu, W Du - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
Liquefaction-induced flow slide is one of the main reasons to cause severe damage of
embankment dams. In this paper, the effect of near-fault pulse-like ground motions on the …

Earthquake soil‐structure interaction of nuclear power plants, differences in response to 3‐D, 3× 1‐D, and 1‐D excitations

JA Abell, N Orbović, DB McCallen… - … & Structural Dynamics, 2018 - Wiley Online Library
In soil‐structure interaction modeling of systems subjected to earthquake motions, it is
classically assumed that the incoming wave field, produced by an earthquake, is …