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<p>Earthen sites are widely distributed and highly diverse, making the stability analysis of these sites and other geotechnical engineering projects of significant scientific value. In this study, the wall of an earthen site in the south of China is taken as the research object, and the seepage model is established on the basis of analyzing its basic geological conditions. Using ABAQUS software, the infiltration patterns and stability of the north wall under rainfall-induced seepage were investigated. The simulation results show that under low-intensity rainfall of long duration, the wall is prone to deep damage due to the accumulation of stress, whereas under high-intensity rainfall, rapid water infiltration causes the wall to become saturated. As a result, the shear strength of the soil mass decreases rapidly, leading to shallow slips and collapses within a short time. The simulation results are generally consistent with the observed damage to the northern city wall in the field. This study provides a reference for stability analysis of similar geotechnical and hydraulic engineering projects subjected to rainfall and seepage.</p>

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Stability Analysis of Ancient Walls under Rainfall and Seepage Conditions Based on the Finite Element Method

  • 期刊论文

  • 发表日期：

    2026年2月7日

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  • Feng Jiang,
  • Jie Zhang,
  • Wenpeng Yuan,
  • Gang Wang,
  • Yue Wu,
  • Zhiyong Xiao,
  • Chengcheng Zheng,
  • Tingfang Liu

摘要

Earthen sites are widely distributed and highly diverse, making the stability analysis of these sites and other geotechnical engineering projects of significant scientific value. In this study, the wall of an earthen site in the south of China is taken as the research object, and the seepage model is established on the basis of analyzing its basic geological conditions. Using ABAQUS software, the infiltration patterns and stability of the north wall under rainfall-induced seepage were investigated. The simulation results show that under low-intensity rainfall of long duration, the wall is prone to deep damage due to the accumulation of stress, whereas under high-intensity rainfall, rapid water infiltration causes the wall to become saturated. As a result, the shear strength of the soil mass decreases rapidly, leading to shallow slips and collapses within a short time. The simulation results are generally consistent with the observed damage to the northern city wall in the field. This study provides a reference for stability analysis of similar geotechnical and hydraulic engineering projects subjected to rainfall and seepage.