CLC number: U447
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2020-06-15
Cited: 0
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Jian Guo, Jing-xuan He. Dynamic response analysis of ship-bridge collisions experiment[J]. Journal of Zhejiang University Science A, 2020, 21(7): 525-534.
@article{title="Dynamic response analysis of ship-bridge collisions experiment",
author="Jian Guo, Jing-xuan He",
journal="Journal of Zhejiang University Science A",
volume="21",
number="7",
pages="525-534",
year="2020",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1900382"
}
%0 Journal Article
%T Dynamic response analysis of ship-bridge collisions experiment
%A Jian Guo
%A Jing-xuan He
%J Journal of Zhejiang University SCIENCE A
%V 21
%N 7
%P 525-534
%@ 1673-565X
%D 2020
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1900382
TY - JOUR
T1 - Dynamic response analysis of ship-bridge collisions experiment
A1 - Jian Guo
A1 - Jing-xuan He
J0 - Journal of Zhejiang University Science A
VL - 21
IS - 7
SP - 525
EP - 534
%@ 1673-565X
Y1 - 2020
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1900382
Abstract: Over the past decades, there has been continual construction of sea-crossing bridges as the technology of transportation improves. The probability of bridge pier being subjected to more vehicular impact is also growing. This study performed scale model tests and analyzed a collision mechanism considering the non-navigable span of a sea-crossing bridge in East China Sea as an engineering background. Comparing the test results with the finite element calculations, the dynamic response of the sample bridge and local damages of the fragile components under impact force were evaluated. Subsequently, the time-frequency characteristics of the vibration signal were analyzed based on wavelet packet analysis, and the multi-resolution characteristics as well as energy distribution of the vibration signal were discussed. It was observed that the impact energy transferred from ship to pier during the period of collision distributed different frequency bands with varying characteristics. The main frequency band (0–62.5 Hz) contains more than 75% of the vibration energy. The analysis can provide a basis for structural damage identification after the collision and anti-collision design of bridges.
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