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作者:

Dong, Hongying (Dong, Hongying.) | Zhao, Yizhou (Zhao, Yizhou.) | Cao, Wanlin (Cao, Wanlin.) (学者:曹万林) | Chen, Xuepeng (Chen, Xuepeng.) | Zhang, Jianwei (Zhang, Jianwei.)

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EI Scopus SCIE

摘要:

Steel-plate-reinforced concrete composite shear walls have been widely used in high-rise and super-high-rise buildings. To improve the bond behaviour between the steel plate and high-strength concrete (HSC) in shear walls, 13 steel-plate HSC shear wall (SPHSCSW) specimens with group studs were designed for push-out tests. Specimens were constructed using HSC or high-strength recycled aggregate concrete (HSRAC). Concrete strength, concrete type, stud length-to-diameter ratio, and replacement of studs with tie bar connectors are considered. The influence of different parameters on the interfacial bond behaviour of specimens is discussed by analysing the load-slip curves, bond strength, and interface damage energy dissipation. The equations for the shearing capacity of studs and the interfacial bond-slip constitutive relationship under different connectors were obtained. Results show that the influence of concrete strength on the bond strength of SPHSCSWs is positively correlated, and the bond behaviour with HSRAC is similar to that of normal HSC. When the stud length-to diameter ratio exceeds four, increasing the ratio has little effect on improving the shearing capacity, and a further increase reduces the residual bond strength. Replacing some studs with tie bars can significantly improve the residual bond strength and interfacial bond energy dissipation capacity. The proposed equations for the shearing capacity of studs in SPHSCSWs and the bond-slip constitutive relationship agree well with the test results, which can be used for engineering applications and further research.

关键词:

High-strength concrete (HSC) Push-out test Bond-slip behaviour Stud Steel plate Recycled aggregate concrete (RAC)

作者机构:

  • [ 1 ] [Dong, Hongying]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhao, Yizhou]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Cao, Wanlin]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Chen, Xuepeng]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Zhang, Jianwei]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • 曹万林

    [Cao, Wanlin]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China

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来源 :

ENGINEERING STRUCTURES

ISSN: 0141-0296

年份: 2021

卷: 226

5 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:87

JCR分区:1

被引次数:

WoS核心集被引频次: 2

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