Vulnerability assessment and collapse simulation of unreinforced masonry structures subjected to sequential ground motions

J Shen, Y Zhang, J Chen - Bulletin of Earthquake Engineering, 2022 - Springer
An unreinforced masonry (URM) structure damaged by a strong earthquake may be
threatened by subsequent aftershocks in an unrepaired state. However, there is no …

Seismic fragility analysis of masonry structures considering the effect of mainshock-aftershock sequences

Y Zhang, Z Wang, L Jiang, K Skalomenos… - Engineering Structures, 2023 - Elsevier
Earthquake investigations indicate that strong aftershocks can further aggravate the
structural damage and low attention has been given to understand the seismic performance …

Structural and non-structural fragility curves for low-rise mainshock-damaged buildings subjected to aftershocks

SA Hosseini, JM Tekantappeh, G Nouri, A Massumi - Structures, 2024 - Elsevier
The seismic response of mainshock-damaged buildings under aftershocks is an important
topic in terms of the lateral response of damaged structures. The majority of current seismic …

Numerical study on the axial compression behavior of composite columns with steel tube SHCC flanges and honeycombed steel web

J Ji, L He, L Jiang, Y Zhang, Y Liu, Y Li, Z Zhang - Engineering Structures, 2023 - Elsevier
Strain hardening cementitious composites (SHCC) as a newly emerging material has bright
application prospect with good ductility and multiple microcracking behaviors. Combining …

Response of Structures to Bidirectional Seismic Excitation Using Spectrum Compatible Records: Evolution of a Pair of Spectra from Newmark's Sliding Block

A Acharjya, A Santra, R Roy - Journal of Structural Engineering, 2024 - ascelibrary.org
Bidirectional analyses covering a range of incidence angles for several records are
essential yet challenging for routine design. Recent studies have shown that the response to …

Seismic analysis method of unreinforced masonry structures subjected to mainshock-aftershock sequences

Y Zhang, Z Wang, L Jiang, K Skalomenos… - Bulletin of Earthquake …, 2022 - Springer
Aftershocks have the potential to further aggravate the damage of masonry structures
caused by mainshock. To quantitatively analyze the effect of aftershocks, this paper …

Improvement of energy damage index bounds for circular reinforced concrete bridge piers under dynamic analysis

P Amirchoupani, G Abdollahzadeh… - Structural …, 2021 - Wiley Online Library
An improvement of energy damage index bounds for circular reinforced concrete (RC)
bridge piers under dynamic time history analysis is presented in this study. The energy …

Aftershock ground motion prediction model based on conditional convolutional generative adversarial networks

J Shen, B Ni, Y Ding, J Xiong, Z Zhong… - Engineering Applications of …, 2024 - Elsevier
Strong mainshocks are typically accompanied by numerous aftershocks, and the
investigation of the structural failure mechanisms under the mainshock-aftershock sequence …

Required time gap between mainshock and aftershock for dynamic analysis of structures

RM Pirooz, S Habashi, A Massumi - Bulletin of Earthquake Engineering, 2021 - Springer
Despite the various studies carried out to evaluate the effects of seismic sequences on
structures, the matter of the time gap required to be considered between the mainshock and …

Bidirectional seismic energy input to an isotropic nonlinear one-mass two-degree-of-freedom system

K Fujii - Buildings, 2021 - mdpi.com
The test results obtained for reinforced concrete columns by several studies have revealed
that the peak displacement and cumulative hysteresis energy are important parameters for …