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<p>Mechanically stabilized earth (MSE) systems are widely used due to their cost-effectiveness and adaptability to various site conditions. However, the extensive reliance on imported geosynthetics such as high-density polyethylene (HDPE) strips often increases construction costs in developing regions. This study experimentally evaluates the pullout behavior of locally available reinforcement alternatives, including nylon rope mesh, ribbed steel wire mesh, and hexagonal steel wire mesh, in comparison with conventional HDPE strips. A total of 36 pullout tests were conducted using a 0.45 × 0.45 × 0.9&#xa0;m test box under normal stresses of 4, 6, and 8&#xa0;kPa. Results show that nylon rope mesh demonstrated the highest pullout resistance (2140–2432&#xa0;N), followed by HDPE strips (1570–2030&#xa0;N), ribbed steel wire mesh (1150–1770&#xa0;N), and hexagonal steel wire mesh (1275–1570&#xa0;N). Statistical analysis indicated stable stress-transfer behavior for HDPE strips (R<sup>2</sup> = 0.67–0.68), while metallic meshes exhibited greater variability. A cost-performance evaluation revealed that nylon rope mesh provided the most economical reinforcement option. Overall, the findings demonstrate the potential of locally accessible reinforcement materials for sustainable and cost-effective MSE wall construction, while highlighting the need for large-scale and long-term durability evaluation.</p>

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Experimental Evaluation of Pullout Resistance in Geosynthetic and Metallic Reinforcements

  • 期刊论文

  • 发表日期：

    2025年12月8日

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  • Muhammad Hanzalah Hasnain,
  • Muhammad Zubair Asghar,
  • Tauseef Anjum,
  • Muhammad Waleed

摘要

Mechanically stabilized earth (MSE) systems are widely used due to their cost-effectiveness and adaptability to various site conditions. However, the extensive reliance on imported geosynthetics such as high-density polyethylene (HDPE) strips often increases construction costs in developing regions. This study experimentally evaluates the pullout behavior of locally available reinforcement alternatives, including nylon rope mesh, ribbed steel wire mesh, and hexagonal steel wire mesh, in comparison with conventional HDPE strips. A total of 36 pullout tests were conducted using a 0.45 × 0.45 × 0.9 m test box under normal stresses of 4, 6, and 8 kPa. Results show that nylon rope mesh demonstrated the highest pullout resistance (2140–2432 N), followed by HDPE strips (1570–2030 N), ribbed steel wire mesh (1150–1770 N), and hexagonal steel wire mesh (1275–1570 N). Statistical analysis indicated stable stress-transfer behavior for HDPE strips (R2 = 0.67–0.68), while metallic meshes exhibited greater variability. A cost-performance evaluation revealed that nylon rope mesh provided the most economical reinforcement option. Overall, the findings demonstrate the potential of locally accessible reinforcement materials for sustainable and cost-effective MSE wall construction, while highlighting the need for large-scale and long-term durability evaluation.