| 摘要 |
<p>Provided are a concrete-filled steel tube (CFT) column and a concrete composite pier using the same, capable of eliminating a work required to arrange reinforcements as well as remarkably improving a adhesive strength between the concrete and the steel tube, thereby maximizing a combined action of the concrete and the steel tube and improving outer appearance. The CFT column includes a steel tube; at least one armature attached to an inner surface and in a lengthwise direction of the steel tube and having a coupling plate, a web and at least one concrete-gripping hole; and concrete poured into a space defined by the steel tube and the armature.</p> |
