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作者:

Jiang, Zi-Qin (Jiang, Zi-Qin.) | Niu, Zi-Yao (Niu, Zi-Yao.) | Yang, Xiao-Feng (Yang, Xiao-Feng.) | Yang, Zhong-Shuai (Yang, Zhong-Shuai.) | Okazaki, Taichiro (Okazaki, Taichiro.)

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EI Scopus SCIE

摘要:

A self-centering prestressed beam-column connection (SCPBCC) with weakened flange cover plate (FCP) is proposed to achieve self-centering features and post-earthquake recoverability at reasonable cost. The selfcentering and energy dissipation capacity of SCPBCC are controlled respectively by the prestressed cable and FCP, and the bearing capacity of SCPBCC is controlled by adjusting the bearing ratio of the cable and FCP. Five SCPBCC specimens were subjected to large and small-amplitude, cyclic-loading tests. The test results demonstrated that the new SCPBCC can meet requirements of stiffness and strength, achieve excellent self-centering features, survive multiple aftershocks and allows for replacement. The connection can supply ample energy dissipation through cyclic yielding of the FCPs. Reasonable variable section and limited prestress can protect beams and the column from plastic deformation. The proposed design methodology ensures good bearing and self-resetting capacity for SCPBCCs.

关键词:

Prestressed cable Beam-to-column connections Low-cycle fatigue loading test Energy dissipation Seismic behavior Self-centering systems

作者机构:

  • [ 1 ] [Jiang, Zi-Qin]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Niu, Zi-Yao]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Yang, Xiao-Feng]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Yang, Zhong-Shuai]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Jiang, Zi-Qin]Beijing Adv Innovat Ctr Future Urban Design, Beijing 100044, Peoples R China
  • [ 6 ] [Yang, Xiao-Feng]Beijing Adv Innovat Ctr Future Urban Design, Beijing 100044, Peoples R China
  • [ 7 ] [Okazaki, Taichiro]Hokkaido Univ, Dept Architectural & Struct Design, Sapporo, Japan

通讯作者信息:

  • [Jiang, Zi-Qin]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH

ISSN: 0143-974X

年份: 2024

卷: 224

4 . 1 0 0

JCR@2022

被引次数:

WoS核心集被引频次:

SCOPUS被引频次: 2

ESI高被引论文在榜: 0 展开所有

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