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<p>To investigate the bonding-slip performance of embedded steel plates bamboo scrimber components. A total of 18 specimens were tested under axial tension across six different conditions. The failure phenomena were categorized into two types: direct pull-out failure and pull-out failure of the steel plates after the bamboo scrimber cracks, the latter exclusively occurred in the width direction and was observed in the group of specimens with the shortest anchorage length and the thickest steel plates. This was because this specimen group suffered the most significant weakening of the bonding strength of the bamboo scrimber fibers. The load-slip relationship curve in the test mainly went through the ascending stage, rapid falling stage, secondary ascending stage, and slip falling stage. For specimens with the same steel plates thickness, increasing the anchorage length from 200&#xa0;mm to 300&#xa0;mm, the anchorage failure load increased by 3.5%~8.9%, the initial stiffness increased by 11.35%~73.8%. For specimens with the same anchorage length, increasing the steel plates thickness from 2&#xa0;mm to 4&#xa0;mm and 6&#xa0;mm, the anchorage failure load increased by 31.7%~71.1%, the initial stiffness increased by 4.3%~69.6%. Finally, based on existing bonding-slip models, through depth analysis of the bonding interface mechanism, a four stage bonding-slip relationship model applicable to embedded steel plates bamboo scrimber was proposed. The verification results indicated that the bonding-slip model proposed in this paper fits experimental data well and can provide reference for subsequent research and engineering applications.</p>

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Bonding-slip performance of bamboo scrimber components with embedded steel plates

  • 期刊论文

  • 发表日期：

    2026年7月27日

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  • Yan Zhao,
  • Jianfeng Deng,
  • Xiong Xie,
  • Yuhan Zhao,
  • Zhen Xu,
  • Junhan Jiang,
  • Nan Guo,
  • Shan Gao

摘要

To investigate the bonding-slip performance of embedded steel plates bamboo scrimber components. A total of 18 specimens were tested under axial tension across six different conditions. The failure phenomena were categorized into two types: direct pull-out failure and pull-out failure of the steel plates after the bamboo scrimber cracks, the latter exclusively occurred in the width direction and was observed in the group of specimens with the shortest anchorage length and the thickest steel plates. This was because this specimen group suffered the most significant weakening of the bonding strength of the bamboo scrimber fibers. The load-slip relationship curve in the test mainly went through the ascending stage, rapid falling stage, secondary ascending stage, and slip falling stage. For specimens with the same steel plates thickness, increasing the anchorage length from 200 mm to 300 mm, the anchorage failure load increased by 3.5%~8.9%, the initial stiffness increased by 11.35%~73.8%. For specimens with the same anchorage length, increasing the steel plates thickness from 2 mm to 4 mm and 6 mm, the anchorage failure load increased by 31.7%~71.1%, the initial stiffness increased by 4.3%~69.6%. Finally, based on existing bonding-slip models, through depth analysis of the bonding interface mechanism, a four stage bonding-slip relationship model applicable to embedded steel plates bamboo scrimber was proposed. The verification results indicated that the bonding-slip model proposed in this paper fits experimental data well and can provide reference for subsequent research and engineering applications.