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作者:

Zhang, Jianwei (Zhang, Jianwei.) (学者:张建伟) | Zhang, Deli (Zhang, Deli.) | Li, Xiangyu (Li, Xiangyu.) | Shen, Zhaoxv (Shen, Zhaoxv.)

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EI Scopus SCIE

摘要:

To study the cyclic behavior of partially precast steel fiber high-strength concrete columns with high-strength steel bars, four full-sized square column specimens were fabricated and tested under constant axial load and horizontal cyclic load. The effects of the strength of precast concrete shell and the diameter of cast-in-place column core were analyzed in detail. The results show that partially precast steel fiber high-strength concrete columns have good seismic performance and deformation ability. Compared to the concrete column with lower strength of precast concrete shell, the concrete column with higher strength of precast concrete shell showed higher bearing capacity and energy dissipation capacity while lower ductility. Moreover, with the increase of the diameter of cast-in-place column core, the bearing capacity and the deformation ability of the specimen decreased. Finally, based on the experimental research and theoretical analysis, a calculation model for predicting the maximum bearing capacity was proposed, and the results obtained from the formulas were in good agreement with those from the experiments.

关键词:

high-strength steel bars steel fiber high-strength concrete partially precast columns bearing capacity model seismic performance

作者机构:

  • [ 1 ] [Zhang, Jianwei]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, 100 Pingleyuan, Beijing 100022, Peoples R China
  • [ 2 ] [Zhang, Deli]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, 100 Pingleyuan, Beijing 100022, Peoples R China
  • [ 3 ] [Li, Xiangyu]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, 100 Pingleyuan, Beijing 100022, Peoples R China
  • [ 4 ] [Shen, Zhaoxv]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, 100 Pingleyuan, Beijing 100022, Peoples R China

通讯作者信息:

  • 张建伟

    [Zhang, Jianwei]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, 100 Pingleyuan, Beijing 100022, Peoples R China

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来源 :

ADVANCES IN STRUCTURAL ENGINEERING

ISSN: 1369-4332

年份: 2021

期: 12

卷: 24

页码: 2841-2853

2 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:87

JCR分区:3

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SCOPUS被引频次: 1

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