It is known that a certain axis is compacted web column, the calculated axial pressure is n = 1400kn, the steel is q235-a.c, f = 215n / mm2, the column length is L = 5m, the middle point is L / 2 with lateral support, the I-shaped column section welded by three steel plates is adopted, the flange size is 300mm * 12mm, and the web size is 200mm * 6mm, and the column is calculated by test.<br>
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