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This study investigates the axial compression behavior of aluminum-wood composite special-shaped columns with different cross-sectional forms. Finite element models were established for T-shaped (T-ATC), L-shaped (L-ATC), and cross-shaped (X-ATC) aluminum-wood composite columns. The mechanical performance of these three types of special-shaped columns was analyzed, focusing on the influence of slenderness ratio on failure modes and ultimate bearing capacity. Results indicate that the change in slenderness ratio has minimal effect on the three cross-sectional ATC columns, with similar failure modes, all exhibiting overall flexural buckling deformation. As the slenderness ratio decreased from 72.74 to 13.34, the bearing capacities of the T-ATC, L-ATC, and X-ATC columns increased by 2.89%, 8.63%, and 0.70%, respectively. Additionally, the ductility coefficients of these columns improved by 63.71%, 72.34%, and 64.54%, respectively.

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Study on Axial Compression Performance of Aluminum Alloy Wood Composite Special-Shaped Columns with Different Cross-Sectional Forms

  • 会议论文

  • 发表日期：

    2025年

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  • Zhuangnan Zhang,
  • Junnan Lü,
  • Yujue Wang

摘要

This study investigates the axial compression behavior of aluminum-wood composite special-shaped columns with different cross-sectional forms. Finite element models were established for T-shaped (T-ATC), L-shaped (L-ATC), and cross-shaped (X-ATC) aluminum-wood composite columns. The mechanical performance of these three types of special-shaped columns was analyzed, focusing on the influence of slenderness ratio on failure modes and ultimate bearing capacity. Results indicate that the change in slenderness ratio has minimal effect on the three cross-sectional ATC columns, with similar failure modes, all exhibiting overall flexural buckling deformation. As the slenderness ratio decreased from 72.74 to 13.34, the bearing capacities of the T-ATC, L-ATC, and X-ATC columns increased by 2.89%, 8.63%, and 0.70%, respectively. Additionally, the ductility coefficients of these columns improved by 63.71%, 72.34%, and 64.54%, respectively.