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<p>To reinforce the soil, slender steel bars are used in soil nailing which is a well-known method to stabilize slopes. In this study, factor of safety (FOS) concerning different nail lengths was analysed using Slope/W module of GeoStudio software package. The slope model was used for study; its height was 8.5&#xa0;m and its inclination angle was 70°. The nail lengths ranged from 0.2 to 1.4 H, where H is the slope height. It was determined that while 0.6&#xa0;H to 1&#xa0;H is the ideal range, longer nails often result in a more stable slope. Beyond this point, further nail length increases may not be economically beneficial and only provide marginal advantages. This paper highlights the significance of using optimal design methods in geotechnical engineering and provides valuable insights on optimizing nail parameters for effective slope stabilization.</p>

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Analysis of the Impact of Nail Length on the Overall Factor of Safety Using GeoStudio

  • 期刊论文

  • 发表日期：

    2025年8月7日

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  • Naincy,
  • P. K. Jain,
  • Pavan Kumar,
  • Utkarsh

摘要

To reinforce the soil, slender steel bars are used in soil nailing which is a well-known method to stabilize slopes. In this study, factor of safety (FOS) concerning different nail lengths was analysed using Slope/W module of GeoStudio software package. The slope model was used for study; its height was 8.5 m and its inclination angle was 70°. The nail lengths ranged from 0.2 to 1.4 H, where H is the slope height. It was determined that while 0.6 H to 1 H is the ideal range, longer nails often result in a more stable slope. Beyond this point, further nail length increases may not be economically beneficial and only provide marginal advantages. This paper highlights the significance of using optimal design methods in geotechnical engineering and provides valuable insights on optimizing nail parameters for effective slope stabilization.