Theoretical and numerical analysis on the ultimate bearing capacity of CFRP-confined CFSST stub columns

Tang, Hongyuan; Chen, Junlong; Yue, Zhaoyang; Jia, Yigang; Yuan, Zhijun

doi:10.1007/s43452-021-00346-9

Artykuł - szczegóły

Tytuł artykułu

Theoretical and numerical analysis on the ultimate bearing capacity of CFRP-confined CFSST stub columns

Autorzy

Tang Hongyuan , Chen Junlong , Yue Zhaoyang , Jia Yigang , Yuan Zhijun

Wybrane pełne teksty z tego czasopisma

http://www.springer.com/journal/43452

Identyfikatory

DOI

10.1007/s43452-021-00346-9

Warianty tytułu

Języki publikacji

Abstrakty

To analyze the ultimate bearing capacity of concrete-filled stainless steel tube (CFSST) stub columns confined by carbon fiber reinforced polymer (CFRP) under axial compression, this study conducted theoretical analysis, experimental research, and finite element simulation on CFRP-confined CFSST stub columns under axial compression. Through the theoretical analysis, using the continuous strength method and limit equilibrium method, a theoretical calculation model of the ultimate bearing capacity of the columns was established considering the evident strain hardening effect of stainless steel. In addition, through experimental research, it was found that the failure mode of CFRP-confined CFSST specimens is the typical CFRP fracture and that CFRP can effectively improve the axial compression performance of specimens and restrain the local buckling deformation of the stainless steel tube. Based on experimental research, a finite element model of the CFRP-confined CFSST stub column was established, and a parameter database for the finite element numerical analysis was established. By comparing the experimental results with the aforementioned parameter database, the theoretical model was verified to have a high accuracy in predicting the ultimate bearing capacity of CFRP-confined CFSST stub columns.

Słowa kluczowe

CFRP-CFSST finite element analysis ultimate bearing capacity limit equilibrium method continuous strength method

analiza elementów skończonych nośność graniczna wytrzymałość

Wydawca

Springer
Wrocław University of Science and Technology

Czasopismo

Archives of Civil and Mechanical Engineering

Rocznik

2022

Tom

Vol. 22, no. 1

Strony

art. no. e26, 2022

Opis fizyczny

Bibliogr. 52 poz., rys., tab., wykr.

Twórcy

autor

Tang Hongyuan

tanghyseu@163.com

Institute of Structural Engineering, Xihua University, Chengdu 610039, China

https://orcid.org/0000-0003-2197-8561

autor

Chen Junlong

Institute of Structural Engineering, Xihua University, Chengdu 610039, China

autor

Yue Zhaoyang

Institute of Structural Engineering, Xihua University, Chengdu 610039, China

autor

Jia Yigang

Institute of Design and Research, Nanchang University, Nanchang 330029, China

autor

Yuan Zhijun

Institute of Design and Research, Nanchang University, Nanchang 330029, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-af832c16-06e6-4d11-bc49-ea0bf171823a