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Near-fault pulse seismic ductility spectra for bridge columns based on machine learning
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 …
demand of bridge columns with varied constitutive models. However, conventional SDS …
Regional seismic fragility of bridge network derived by covariance matrix model of bridge portfolios
J Zhong, S Zhou, H Wang, H Hu - Engineering Structures, 2024 - Elsevier
The consequences of seismic damage to bridge portfolios are more pronounced than those
to individual bridges, leading to a greater emphasis on seismic fragility analysis of bridge …
to individual bridges, leading to a greater emphasis on seismic fragility analysis of bridge …
Effect of near-fault vertical ground motions on failure mode of long-span sea-crossing cable-stayed bridges
Existing investigations have proved that the near-fault vertical ground motion (VGM) would
have a significant effect on the seismic performance of bridge structures. This study mainly …
have a significant effect on the seismic performance of bridge structures. This study mainly …
Uniform design–based Gaussian process regression for data-driven rapid fragility assessment of bridges
This paper proposes a uniform design (UD)-based Gaussian process regression (GPR)
method for rapid damage assessment and fragility estimates of bridges. The core idea of the …
method for rapid damage assessment and fragility estimates of bridges. The core idea of the …
Probabilistic seismic demand model of UBPRC columns conditioned on Pulse-Structure parameters
Unbonded prestressed reinforced concrete (UBPRC) column has attracted the attention of
many researchers in bridge seismic design because of its small residual displacement …
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
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 …
structural fragility analysis (PSFA) due to the ignorance of the effect of pulse period under …
A novel structure-pulse coupled model for quantifying the column ductility demand under pulse-like GMs
ABSTRACT A novel model is constructed to investigate the coupling effect of pulse period
(Tp) and peak pulse velocity (Vp) on structural demands with the varied fundamental period …
(Tp) and peak pulse velocity (Vp) on structural demands with the varied fundamental period …
Risk-based design and optimization of shape memory alloy restrained sliding bearings for highway bridges under near-fault ground motions
Abstract The Shape Memory Alloy (SMA)-restrained bearing consists of a typical sliding
bearing and SMA wires. The SMA wires are adopted to limit the excessive displacement …
bearing and SMA wires. The SMA wires are adopted to limit the excessive displacement …
Seismic fragility and resilience assessment of bridge columns with dual-replaceable composite link beam under near-fault GMs
The beam-column joints of piers with reinforced concrete link beams (RCLB) are easy to be
damaged during earthquakes. Post-earthquake maintenance is very inconvenient since the …
damaged during earthquakes. Post-earthquake maintenance is very inconvenient since the …
An endurance time method-based fragility analysis framework for cable-stayed bridge systems under scour and earthquake
Seismic fragility assessment using structural dynamic analysis remains challenging for
complex systems due to the high computational demand, such as the sea-crossing cable …
complex systems due to the high computational demand, such as the sea-crossing cable …