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作者:

Liu, Xue Chun (Liu, Xue Chun.) | Liu, Yu Kun (Liu, Yu Kun.) | Chen, Xuesen (Chen, Xuesen.) | Zhang, Ai-Lin (Zhang, Ai-Lin.)

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EI Scopus SCIE

摘要:

A bolted beam-column joint, with a column base connecting the upper and lower columns, is proposed for multistory steel structures. In the joint, the H-section beam is bolted to the square steel tube columns and the column bases with cover plates and end plates, respectively. To analyze the performance and provide guidelines for design of the proposed joint, finite element analysis was conducted with the models validated against the existing test results. Quasi-static and static FE analysis were conducted on 33 joints with different parameters, analyzing the hysteresis behaviors and slipping behaviors, and obtaining the moment resistance, stiffness and energy dissipation of joints. The variation laws of the bolt tensions, friction forces and the contact pressures were analyzed. According to the results, the slipping load would increase and the hysteresis curve becomes plumper as the number of bolts increases, and larger bolt hole would increase the slip distance but showing no significant effects on the hysteresis curves. Compared with the welded joint, the proposed bolted joints developed larger rotational capacity and energy consumption capacity, and can be designed as rigid joints. Formulas for slipping and ultimate moment of the joints were proposed and verified by FE analysis results.

关键词:

Seismic performance Beam-to-column joint FE analysis Prefabricated steel structure Bolted connection

作者机构:

  • [ 1 ] [Liu, Xue Chun]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prestr, Beijing 100024, Peoples R China
  • [ 2 ] [Liu, Yu Kun]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prestr, Beijing 100024, Peoples R China
  • [ 3 ] [Chen, Xuesen]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prestr, Beijing 100024, Peoples R China
  • [ 4 ] [Zhang, Ai-Lin]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prestr, Beijing 100024, Peoples R China
  • [ 5 ] [Chen, Xuesen]Beijing Univ Technol, Beijing, Peoples R China

通讯作者信息:

  • [Chen, Xuesen]Beijing Univ Technol, Beijing, Peoples R China

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来源 :

STRUCTURES

ISSN: 2352-0124

年份: 2024

卷: 60

4 . 1 0 0

JCR@2022

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SCOPUS被引频次: 2

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