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 …

Performance-based-plastic-design of damage-control steel MRFs equipped with self-centring energy dissipation bays

K Ke, X Zhou, H Zhang, MCH Yam, L Guo… - Journal of Constructional …, 2022 - Elsevier
Driven by the demand of producing novel seismic resilient structures, this study focused on
steel moment resisting frames equipped with superelastic shape memory alloy (SMA) …

A novel structure-pulse coupled model for quantifying the column ductility demand under pulse-like GMs

J Zhong, T Yang, Y Pang, W Yuan - Journal of Earthquake …, 2022 - Taylor & Francis
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 …

Selection and scaling approaches of earthquake time-series for structural engineering applications: a state-of-the-art review

D Caicedo, S Karimzadeh, V Bernardo… - … Methods in Engineering, 2024 - Springer
Selection and scaling of ground motion records have been recognised as one of the major
sources of bias and uncertainty in the seismic assessment of civil engineering structures …

Response of structures to bidirectional seismic loading: Research progress and future directions

R Roy, A Acharjya, A Roy, A Santra… - Journal of Structural …, 2022 - ascelibrary.org
Rigorous assessment of structural response to seismic excitation poses challenges for
researchers in their bid to account for the effects of (1) biaxial interaction; and (2) incidence …

Multivariable probabilistic seismic demand models for parametric fragility prediction of isolated bridges portfolios under pulse-like GMs

J Zhong, Y Zhu, X Zheng, Q Han - Engineering Structures, 2023 - Elsevier
The wide application of friction isolation bearings has led to a rapid increase in the number
of frictional isolated bridges. Therefore, the traditional method of seismic fragility analysis …

Damage-control steel frames equipped with SMA connections and ductile links subjected to near-field earthquake motions: A spectral energy factor model

X Zhou, H Zhang, K Ke, L Guo, MCH Yam - Engineering Structures, 2021 - Elsevier
To achieve a delicate balance between self-centring behaviour and energy dissipation, it
was proposed to develop the damage-control steel frame equipped with shape memory …

Stochastic model for simulation of near‐fault ground motions

M Dabaghi, A Der Kiureghian - Earthquake Engineering & …, 2017 - Wiley Online Library
A parameterized stochastic model of near‐fault ground motion in two orthogonal horizontal
directions is developed. The major characteristics of recorded near‐fault ground motions are …

Effects of near-fault motions and artificial pulse-type ground motions on super-span cable-stayed bridge systems

S Li, F Zhang, J Wang, MS Alam… - Journal of Bridge …, 2017 - ascelibrary.org
This paper evaluates the seismic responses of a super-span cable-stayed bridge subjected
to near-fault ground motions. A new method, record-decomposition incorporation (RDI), is …