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Published in: Strength of Materials 2/2022

13-06-2022

Study on the Dynamic Response of Concrete-Filled Steel Tubular Long Column under Impact Load

Authors: Y. Q. Fu, Y. M. Wang, X. X. Sang, J. S. Ju

Published in: Strength of Materials | Issue 2/2022

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Abstract

In this study, a refined finite element model of concrete-filled steel tubular column was established, and its dynamic response under impact axial load was explored. By extracting the axial stress changes of the steel tube and the core concrete at different positions of the member, the stress and strain characteristics of the concrete-filled steel tubular column under impact load were obtained for the respective impact loads. It is found that the steel tube and the core concrete basically met the deformation compatibility conditions in the same sections. The whole stress wave velocity of the concrete-filled steel tubular column was between elastic stress wave velocity values of the steel tube and the core concrete. Under the smaller impact load, the axial deformation of the column was close to elastic, whereas under larger impact loads, it underwent significant plastic deformation.
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Metadata
Title
Study on the Dynamic Response of Concrete-Filled Steel Tubular Long Column under Impact Load
Authors
Y. Q. Fu
Y. M. Wang
X. X. Sang
J. S. Ju
Publication date
13-06-2022
Publisher
Springer US
Published in
Strength of Materials / Issue 2/2022
Print ISSN: 0039-2316
Electronic ISSN: 1573-9325
DOI
https://doi.org/10.1007/s11223-022-00404-4

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