Abstract
In this paper a detailed analysis of breakout resistance of a horizontally laid anchor plate in sandy soil is presented. To compute the distribution of soil reactive pressure on the failure surface, Kötter’s equation is employed. The failure surface is assumed to be in the form of a cone. An analytical expression for the breakout resistance is derived. Results are reported in terms of the breakout factors and net breakout resistance. A comparison is made with the available experimental data and theoretical solutions.
Highlights
In respect to a dense soil, Balla (1961) studiedThe shapes of earth anchors are square, circular or rectangular and generally they are employed as foundation elements for structures requiring resistance against breakout i.e., transmission towers, sheet pile walls and offshore floating structures
Results are reported in terms of the breakout factors and net breakout resistance
The breakout factor, Fq is given as where, A is the area of horizontal circular anchor plate
Summary
The shapes of earth anchors are square, circular or rectangular and generally they are employed as foundation elements for structures requiring resistance against breakout i.e., transmission towers, sheet pile walls and offshore floating structures. Based on this observation and integration along a plane or a curved failure surface, this some initial trials, the following expression for α is equation gives the soil reactive pressure distribution and chosen for the analysis. The above simple expression gives the net breakout resistance of a horizontal circular plate anchor in cohesionless soil medium. It is easy for hand calculations with no need of any tables or graphs. Where, A is the area of horizontal circular anchor plate
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