1999 Volume 64 Issue 526 Pages 201-208
This paper present the results of an experimental work carried out to study the elastic-plastic behavior of composite columns using core steel under constant vertical and varying horizontal loads. Area and shape of cross section of core steel and axial load ratios were selected as test parameters. Composite columns using core steel were able to hold large axial load up to rotation angle equals 5/100 rad. On the other hand reinforced concrete columns were not able to hold axial load at last. From the test results it can be thought the composite columns using core steel can prevent structural buildings under large horizontal and vertical accelerations from story failure.
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