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<p>The bearing capacity of shallow footing decreases when the footing is subjected to an inclined load. The reduction in bearing capacity due to load inclination can be compensated for by providing a structural skirt on the footing periphery, termed skirted footing. Laboratory tests were conducted on a skirted square (B × B) footing model with a variable skirt length (L) at different embedment depths (D) in granular soil. The bearing capacity was observed to decrease with load inclination. Skirted footing with a skirt length ratio L/B = 1 enhanced the ultimate bearing capacity by approximately 3.8-fold compared to surface-based (D/B = 0) spread footing under a load inclination of 15°. Based on the test results, empirical correlations were developed to estimate the reduction in ultimate bearing capacity under load inclination for skirted footing.</p>

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Bearing Capacity of Skirted Square Footing Under Inclined Loading in Granular Soil

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • Atish K. Das,
  • Chittaranjan Patra,
  • Khaled Sobhan

摘要

The bearing capacity of shallow footing decreases when the footing is subjected to an inclined load. The reduction in bearing capacity due to load inclination can be compensated for by providing a structural skirt on the footing periphery, termed skirted footing. Laboratory tests were conducted on a skirted square (B × B) footing model with a variable skirt length (L) at different embedment depths (D) in granular soil. The bearing capacity was observed to decrease with load inclination. Skirted footing with a skirt length ratio L/B = 1 enhanced the ultimate bearing capacity by approximately 3.8-fold compared to surface-based (D/B = 0) spread footing under a load inclination of 15°. Based on the test results, empirical correlations were developed to estimate the reduction in ultimate bearing capacity under load inclination for skirted footing.