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The proper disposal of used tyres is a serious and genuine ecological problem. The level of reuse is significantly less when compared with the accumulating consistently. It is well known that rubber serves as an excellent damping material. Therefore, there is a huge possibility for the utilisation of these rubber pieces for earthquake-resistant design purposes. This study suggests developing an economic seismic isolation system utilising soil and waste tyre scrap. The inclusion of tyre chips modifies the damping properties of the soil by expanding energy dispersion. A FEM investigation of the isolated framework is analyzed by PLAXIS 2D. The time history of acceleration of some well-known seismic tremors is utilised as an input motion in the study. Due to the damping effect produced by soil-rubber tyre isolators, peak ground acceleration response is observed to decrease considerably. The de-amplification values found for the acceleration at the model’s peak of the isolated building are promising.

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Investigation of Sand and Shredded Rubber Tyre Mixture as a Natural Base Isolator for Earthquake Protection

  • 会议论文

  • 发表日期：

    2025年

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  • Amit Kumar,
  • G. Suneel Kumar,
  • Vamsi Alla,
  • Nirban De,
  • Rabi Narayan Behera

摘要

The proper disposal of used tyres is a serious and genuine ecological problem. The level of reuse is significantly less when compared with the accumulating consistently. It is well known that rubber serves as an excellent damping material. Therefore, there is a huge possibility for the utilisation of these rubber pieces for earthquake-resistant design purposes. This study suggests developing an economic seismic isolation system utilising soil and waste tyre scrap. The inclusion of tyre chips modifies the damping properties of the soil by expanding energy dispersion. A FEM investigation of the isolated framework is analyzed by PLAXIS 2D. The time history of acceleration of some well-known seismic tremors is utilised as an input motion in the study. Due to the damping effect produced by soil-rubber tyre isolators, peak ground acceleration response is observed to decrease considerably. The de-amplification values found for the acceleration at the model’s peak of the isolated building are promising.