CLC number: TH161.12
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2017-10-12
Cited: 0
Clicked: 4810
Xi-yue Liu, Yuan-qing Wang, Jun Xiong, Yong-jiu Shi. Damage behavior of steel beam-to-column connections under inelastic cyclic loading[J]. Journal of Zhejiang University Science A, 2017, 18(11): 910-926.
@article{title="Damage behavior of steel beam-to-column connections under inelastic cyclic loading",
author="Xi-yue Liu, Yuan-qing Wang, Jun Xiong, Yong-jiu Shi",
journal="Journal of Zhejiang University Science A",
volume="18",
number="11",
pages="910-926",
year="2017",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1600520"
}
%0 Journal Article
%T Damage behavior of steel beam-to-column connections under inelastic cyclic loading
%A Xi-yue Liu
%A Yuan-qing Wang
%A Jun Xiong
%A Yong-jiu Shi
%J Journal of Zhejiang University SCIENCE A
%V 18
%N 11
%P 910-926
%@ 1673-565X
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1600520
TY - JOUR
T1 - Damage behavior of steel beam-to-column connections under inelastic cyclic loading
A1 - Xi-yue Liu
A1 - Yuan-qing Wang
A1 - Jun Xiong
A1 - Yong-jiu Shi
J0 - Journal of Zhejiang University Science A
VL - 18
IS - 11
SP - 910
EP - 926
%@ 1673-565X
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1600520
Abstract: Brittle cracks were observed in the welded beam-to-column connections of steel frames during an earthquake. The crack propagation and accumulated damage to the connections can lead to fractures at much lower ductility ratios. Understanding the connections’ damage behavior during an earthquake is crucial for the design of steel moment frames in seismic areas. Nine full scale beam-to-column connections were tested under constant amplitude and variable amplitude cyclic loading. The effects of loading amplitude, loading history, and peak load on the connection damage were analyzed. The damage characters were studied and three damage evolution models were calibrated and validated based on test results. The damage mechanism was investigated and an effective plastic strain index was developed to evaluate connection damage based on a ductile fracture mechanism. A fatigue fracture mechanics-based model, for evaluating the damage process of beam-to-column connections under cyclic loading, was proposed.
Based on the results of eight "identical" full-scale beam-to-column steel moment connection specimens that were tested with different loading sequences, the authors evaluated three damage models.
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