Uplift Capacity of Model Group Anchors in Sand

by Braja M. Das, Univ of Texas at El Paso, El Paso, TX, USA,
Yang Jin-Jaun, Univ of Texas at El Paso, El Paso, TX, USA,

Abstract: Small-scale laboratory experimental results for the ultimate uplift capacity of shallow horizontal circular single and group anchors embedded in sand have been presented. The experimental ultimate uplift capacity of single anchors has been compared with theories provided by Meyerhof and Adams, Vesic, and Clemence and Veesaert. For anchor groups, the uplift efficiency varies with the number of anchors, center-to-center anchor spacing, embedment ratio, and soil friction angle. The experimental uplift efficiency of group anchors has been compared with the theory of Meyerhof and Adams.

Subject Headings: Anchors | Uplifting behavior | Power transmission towers | Compacted soils | Soil analysis | Spacing | Embedment | Friction

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