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<p>Solid wastes, e.g., Construction and Demolition (C&amp;D) materials, waste tires, have been largely produced and now widely utilized in different engineering projects. Integrating the C&amp;D waste and waste tires could bring a new light in sustainable development. Waste tires normally have surface transverse ribs with high tensile strength, which are not fully studied now. To better understand the interface behaviour between waste tire strips and recycled C&amp;D waste aggregates, a series of comparative pullout tests using geogrid, waste tire strips without and with steel wires were performed under different normal stresses. The experimental results show that (a) waste tire strips with steel wires generally have a better pullout resistance due to the bearing resistance provided by the surface transverse ribs and the high strength of steel wires; (b) the interlocking effect becomes obvious with increasing number of the surface transverse ribs; (c) the interface resistance between the waste tire strips and the recycled C&amp;D aggregates is non-uniformly distributed at small displacements. However, as the displacement increases, the interface resistance becomes uniformly distributed along the pullout direction. A new analytical solution is proposed for the pullout strength between waste tire strips and recycled C&amp;D waste aggregates considering the failure mode.</p>

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Study on Pullout Performance of Tire Strip Reinforced Sustainable Construction & Demolition Materials

  • 期刊论文

  • 发表日期：

    2026年1月13日

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  • Li-Hua Li,
  • Jin-Lin Li,
  • Wei-Qiang Feng,
  • Lang-Ling Qin,
  • Xin Zhang,
  • Hao-Wen Xiong

摘要

Solid wastes, e.g., Construction and Demolition (C&D) materials, waste tires, have been largely produced and now widely utilized in different engineering projects. Integrating the C&D waste and waste tires could bring a new light in sustainable development. Waste tires normally have surface transverse ribs with high tensile strength, which are not fully studied now. To better understand the interface behaviour between waste tire strips and recycled C&D waste aggregates, a series of comparative pullout tests using geogrid, waste tire strips without and with steel wires were performed under different normal stresses. The experimental results show that (a) waste tire strips with steel wires generally have a better pullout resistance due to the bearing resistance provided by the surface transverse ribs and the high strength of steel wires; (b) the interlocking effect becomes obvious with increasing number of the surface transverse ribs; (c) the interface resistance between the waste tire strips and the recycled C&D aggregates is non-uniformly distributed at small displacements. However, as the displacement increases, the interface resistance becomes uniformly distributed along the pullout direction. A new analytical solution is proposed for the pullout strength between waste tire strips and recycled C&D waste aggregates considering the failure mode.