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A Study on Axial Compression Performance of Concrete-Filled Steel-Tubular Shear Wall with a Multi-Cavity T-Shaped Cross-Section

Author

Listed:
  • Hao Sun

    (School of Civil Engineering, Central South University, Changsha 410075, China)

  • Qingyuan Xu

    (School of Civil Engineering, Central South University, Changsha 410075, China)

  • Pengfei Yan

    (College of Civil and Hydraulic Engineering, Ningxia University, Yinchuan 750021, China)

  • Jianguang Yin

    (College of Civil and Hydraulic Engineering, Ningxia University, Yinchuan 750021, China)

  • Ping Lou

    (School of Civil Engineering, Central South University, Changsha 410075, China)

Abstract

In order to study the axial compression performance of the T-shaped multi-cavity concrete-filled steel tube shear wall, first, three specimens were designed to perform the axial compression test. Then three-dimensional finite element analysis by the ABAQUS software was used to obtain the axial bearing capacity of the shear wall with different parameters. According to the results of the finite element model, the computational diagram in the limit state was obtained. The diagram was simplified into the core concrete in the non-enhanced area that was not constrained by the steel tube and the core concrete in the enhanced area that was uniformly constrained by the steel tube. Finally, a new practical equation for calculating the axial bearing capacity of a multi-cavity concrete-filled steel tubular shear wall was deduced and proposed based on the theory of ultimate equilibrium. The calculation results of the proposed equation were in good agreement with the finite element results, and the proposed equation can be used in practical engineering design.

Suggested Citation

  • Hao Sun & Qingyuan Xu & Pengfei Yan & Jianguang Yin & Ping Lou, 2020. "A Study on Axial Compression Performance of Concrete-Filled Steel-Tubular Shear Wall with a Multi-Cavity T-Shaped Cross-Section," Energies, MDPI, vol. 13(18), pages 1-20, September.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:18:p:4831-:d:414231
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    References listed on IDEAS

    as
    1. Hongbo Li & Hao Sun & Juncang Tian & Qiuning Yang & Qingqing Wan, 2019. "Mechanical and Ultrasonic Testing of Self-Compacting Concrete," Energies, MDPI, vol. 12(11), pages 1-15, June.
    2. Grzegorz Ludwik Golewski, 2020. "Energy Savings Associated with the Use of Fly Ash and Nanoadditives in the Cement Composition," Energies, MDPI, vol. 13(9), pages 1-20, May.
    3. Hongbo Li & Hao Sun & Wanlong Zhang & Huiyan Gou & Qiuning Yang, 2019. "Study on Mechanical Properties of Self-Compacting Concrete and Its Filled in-Line Multi-Cavity Steel Tube Bundle Shear Wall," Energies, MDPI, vol. 12(18), pages 1-18, September.
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    Cited by:

    1. Deren Lu & Zhidong Chen & Faxing Ding & Zhenming Chen & Peng Sun, 2021. "Prediction of Mechanical Properties of the Stirrup-Confined Rectangular CFST Stub Columns Using FEM and Machine Learning," Mathematics, MDPI, vol. 9(14), pages 1-13, July.

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