| 摘要 |
<p>PURPOSE: A concrete filled steel tube column through a non-welding method using a slot and a manufacturing method thereof are provided to improve fire-resistance by forming a perforated penetration part on an outer steel tube. CONSTITUTION: A concrete filled steel tube column(100) through a non-welding method using a slot comprises an outer steel tube(110), perforated penetration parts(120), a bent part(130), a slot(140), a restrained steel member(150), and concrete. A T-shaped bent part is formed on the outer steel tube. The perforated penetration parts are formed on the outer steel tube and spouts water vapor pressure from the concrete. The slot is formed in a shape corresponding to the T-shaped bent part. The restrained steel material is coupled to the end of the T-shaped bent part. The outer tube, in which the T-shaped bent part is inserted into the slot, is filled with concrete.</p> |
