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An Analytical Study on the Strength Behavior of Column-Foundation Connection with High Tension Bolts
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 Title & Authors
An Analytical Study on the Strength Behavior of Column-Foundation Connection with High Tension Bolts
Hwang, Dong A; Hwang, Won Sup; Ham, Jun Su; Jeong, Jin Il;
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In order to suggest a reasonable design for the circular concrete filled tube steel column-foundation connection applying high-tension bolts, Overall structural behavior and characteristics according to various variables of column-foundation connection are numerically analyzed using a commercial FE analysis program, ABAQUS. To that goal, finite element analysis is conducted on the basis of the previous study replacing anchor bolts to high-tension bolts, and the analytical results are validated by comparison with experimental results. Also, the various variables(embedded depth and grade of anchor, and height and thickness of rib) involved in behavior of the column-foundation connection are selected through analyzing the current design criteria, and the characteristics of the column-foundation connection are compared and analyzed according to the various variables. In case of the anchor bolts, Applying the high-tension bolts is more advantage and securing the embedded depth beyond 0.5D is recommendable. In case of the rib, a minimum of 0.5D for rib`s height and for rib`s thickness should be secured to develop the structural performance.
Steel column-foundation connections;High-tension bolts;Rib;FE analysis;
 Cited by
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