State-of-the-art and annual progress of bridge engineering in 2021

R Zhao, K Zheng, X Wei, H Jia, X Li, Q Zhang… - Advances in Bridge …, 2022 - Springer
Bridge construction is one of the cores of traffic infrastructure construction. To better develop
relevant bridge science, this paper introduces the main research progress in China and …

The constant damage inelastic displacement ratio for performance design of self-centering systems under far-field earthquake ground motions

P Amirchoupani, RN Farahani, G Abdollahzadeh - Structures, 2023 - Elsevier
In this research paper, the inelastic displacement ratio known as maximum nonlinear
displacement to maximum elastic displacement is determined at different periods of vibration …

Development of inelastic displacement ratio using constant energy-based damage index for performance-based design

P Amirchoupani, G Abdollahzadeh… - Bulletin of Earthquake …, 2023 - Springer
In this study, the inelastic displacement ratio (IDR) for far-field earthquake ground motions is
statistically evaluated by the modified energy damage indices, known as hysteresis energy …

The evaluation of target displacement in structural systems using damage-based N2 (DN2) method under far-field ground motions for performance-based design …

R Nodeh Farahani, G Abdollahzadeh… - Bulletin of Earthquake …, 2024 - Springer
The aim of this paper is based on the simple nonlinear procedure founded on the Park-Ang
damage index model at different constant damage levels to evaluate the target displacement …

Quantifying the optimal time gap between consecutive events

G Abdollahzadeh, S Pourkalhor, A Vakhideh… - Asian Journal of Civil …, 2023 - Springer
In this study, a zero acceleration time gap is defined between consecutive events to ensure
that the structure comes to rest after the first seismic event in the seismic analysis of …

The modified energy-based method for seismic evaluation of structural systems with different hardening ratios and deterioration hysteresis models

RN Farahani, G Abdollahzadeh… - Periodica Polytechnica …, 2024 - pp.bme.hu
Prediction of target displacement in structural systems plays a significant role in performance-
based design and rehabilitation of structures. In this study, the γ factor for different hardening …

The development of damage-based energy factor under far-fault ground motions for the seismic demand evaluation of structural systems in energy-balance theorem

P Amirchoupani, RN Farahani… - Soil Dynamics and …, 2025 - Elsevier
The objective of this investigation is to develop the damage-based energy factor (γ) for
seismic demand evaluation of Reinforced Concrete (RC) and steel structures under …

U-shape energy-dissipation device for enhancing seismic resilience of high-speed railway track-bridge systems

L Jiang, X Liu, Y Yan, L Jiang - Journal of Constructional Steel Research, 2025 - Elsevier
High-speed railway track-bridge systems (HSRTBSs) are vulnerable to damage under
strong ground motions. In order to enhance their seismic resilience, a substructure …

The damage-based inelastic displacement ratio for performance-based design of fully self-centering systems under pulse-like near-fault earthquake ground motions

P Amirchoupani, RN Farahani, G Abdollahzadeh - Structures, 2024 - Elsevier
In this investigation, the damage-based inelastic displacement ratio (IDR) for fully self-
centering (SC) systems with flag-shaped hysteresis behavior is determined under pulse-like …

A new global damage index for steel moment resisting frames based on two steps pushover analyses

K Jafari, H Hamidi, R Soleimani - Structures, 2024 - Elsevier
This paper proposes a new global damage index (DI) to evaluate and quantify the overall
damage state induced by near-fault ground motions to the steel structures. DIs are …