Deflection Calculation Based on SDOF Method for Axially Loaded Concrete-Filled Steel Tubular Members Subjected to Lateral Impact
Joint Authors
Wang, Luming
Liu, Yanhui
Song, Jiahuan
Zhao, Shichun
Wang, Zhe
Zeng, Yue
Feng, Xingyu
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-03-12
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Abstract EN
Axial force has a great influence on the dynamic behavior and the impact resistance of concrete-filled steel tubular (CFST) members.
Based on numerical simulation and theoretical analysis, the impact response and deflection calculation method for axially loaded CFST members subjected to lateral impact are investigated in this paper.
The nonlinear numerical model of an axially loaded CFST member considering the strain rate effects has been established, and the simulation accuracy has been validated by comparing with existing test results.
The contrastive investigation is carried out to illustrate the influence of axial load on the variation pattern of impact force for CFST members under various structural and impact parameters, and its result indicates that the impact force-time histories for CFST members with different axial loads are mainly characterized by rectangular pulse and triangular pulse.
Moreover, a simplified calculation method considering the effect of axial force is proposed based on the equivalent single degree of freedom (SDOF) method, devoted to predicting the deflection of axially loaded CFST members subjected to lateral impact.
The comparisons with the numerical simulation prove that the deflection calculation method has a reasonable accuracy; thus, the proposed method can be utilized in the damage assessment and anti-impact design for CFST members subjected to lateral impact and axial load.
American Psychological Association (APA)
Wang, Luming& Liu, Yanhui& Song, Jiahuan& Zhao, Shichun& Wang, Zhe& Zeng, Yue…[et al.]. 2020. Deflection Calculation Based on SDOF Method for Axially Loaded Concrete-Filled Steel Tubular Members Subjected to Lateral Impact. Shock and Vibration،Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1210116
Modern Language Association (MLA)
Wang, Luming…[et al.]. Deflection Calculation Based on SDOF Method for Axially Loaded Concrete-Filled Steel Tubular Members Subjected to Lateral Impact. Shock and Vibration No. 2020 (2020), pp.1-16.
https://search.emarefa.net/detail/BIM-1210116
American Medical Association (AMA)
Wang, Luming& Liu, Yanhui& Song, Jiahuan& Zhao, Shichun& Wang, Zhe& Zeng, Yue…[et al.]. Deflection Calculation Based on SDOF Method for Axially Loaded Concrete-Filled Steel Tubular Members Subjected to Lateral Impact. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1210116
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1210116