Scholarlink

<p>In spatially constrained fill slopes, conventional flat anchor plates often fail to provide sufficient pull-out resistance due to limited embedment space and inefficient mobilization of surrounding soil strength. Enhancing anchorage performance without increasing structural dimensions has therefore become a critical engineering challenge. To address this issue, serrated structures are introduced on anchor plates to improve mechanical interlocking and activate additional soil resistance. In this study, fifteen laboratory pull-out tests were conducted on serrated anchor plates with varying burial depths and serration spacings, complemented by numerical simulations to investigate their mechanical response and failure mechanisms. The results indicate that serrated anchor plates exhibit a progressive two-stage failure mode, characterized by initial localized inclined shear between adjacent serrations followed by expansion of the failure surface toward the plate–soil interface, ultimately leading to global shear failure. The corresponding load–displacement curves display a typical three-stage behavior, including elastic, elastoplastic, and plastic development stages. The ultimate pull-out capacity was determined using the double-tangent method, and numerical results show generally consistent trends with experimental observations. Compared with conventional flat plates, the serrated configuration significantly enhances bearing capacity, with a maximum increase of up to 137%. These findings provide a mechanical basis for optimizing anchor design in space-limited fill slopes.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Research on Ultimate Pull-Out Bearing Capacity of Serrated Anchor Plates

  • 期刊论文

  • 发表日期：

    2026年5月20日

查看全文
  • Yan-Peng Zhu,
  • Xing-Wang Zhang,
  • Dong Cheng,
  • Yun-Bo Yang,
  • An-Ping Huang

摘要

In spatially constrained fill slopes, conventional flat anchor plates often fail to provide sufficient pull-out resistance due to limited embedment space and inefficient mobilization of surrounding soil strength. Enhancing anchorage performance without increasing structural dimensions has therefore become a critical engineering challenge. To address this issue, serrated structures are introduced on anchor plates to improve mechanical interlocking and activate additional soil resistance. In this study, fifteen laboratory pull-out tests were conducted on serrated anchor plates with varying burial depths and serration spacings, complemented by numerical simulations to investigate their mechanical response and failure mechanisms. The results indicate that serrated anchor plates exhibit a progressive two-stage failure mode, characterized by initial localized inclined shear between adjacent serrations followed by expansion of the failure surface toward the plate–soil interface, ultimately leading to global shear failure. The corresponding load–displacement curves display a typical three-stage behavior, including elastic, elastoplastic, and plastic development stages. The ultimate pull-out capacity was determined using the double-tangent method, and numerical results show generally consistent trends with experimental observations. Compared with conventional flat plates, the serrated configuration significantly enhances bearing capacity, with a maximum increase of up to 137%. These findings provide a mechanical basis for optimizing anchor design in space-limited fill slopes.