Abstract
The feasibility of two new methods to reinforce the perforated section steel column was verified by two groups of axial compression tests, each group contained two specimens. The test results showed that reinforcement plates and original steel skeleton can work together effectively before specimens overall yielded whether front fillet weld or weld all around was adopted for the connection of reinforcement plates with the steel skeleton. After most of the measuring points on reinforcement plates yielded, reinforcement plates by front fillet weld plumped outward and deformed rapidly; however, no notable deformation was found for the reinforcement plates by weld all around. From the load–displacement curves of the specimens , the yield load of the section steel column by weld all around was a little larger than that of section steel column by front fillet weld. In general, the connection of reinforcement plates with the steel skeleton by weld all around was better than that by front fillet weld.
Published Version
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