20100071315 | COMPOSITE CONCRETE COLUMN AND CONSTRUCTION METHOD USING THE SAME - A composite concrete column comprising: upper and lower concrete column portions extending in the lengthwise direction and having an exposed portion between the upper and lower concrete column portions; and an H-beam connected between the upper and lower concrete column portions to be exposed at the exposed portion; and wherein the H-beam has a plurality of holes through which reinforcement bars for slab pass. | 03-25-2010 |