NON-WELDING TYPE CONCRETE-FILLED STEEL TUBE COLUMN HAVING SLOT AND METHOD FOR FABRICATING THE SAME
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United States of America Patent
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Issued Date -
May 30, 2013
app pub date -
Sep 14, 2012
filing date -
Nov 30, 2011
priority date (Note) -
Abandoned
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Abstract
A non-welding type concrete-filled steel tube column utilizing a slot, in which an external steel tube is bended and retracted to allow a jointing portion thereof to be formed as a T-shaped bending part is provided. A slot is inserted into the T-shaped bending part in a sliding manner to construct in a non-welding manner, and a multi-perforated penetrating part can be formed on the external steel tube to secure fire resistance capacity thereof. A method of fabricating the same is also provided.
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