Seismic Behavior Analysis of Special-Shaped Column Frame Structure

The 3-dimensional space analysis model of specialshaped colomn frame and rectangle column frame is established using the finite element software ANSYS.The elastic seismic response in the case of horizontal earthquake actions of two structures is studied in contrast.The results indicate: there is a great difference in pole-end shearing force between L-shaped colomn and corresponding rectangular column,while there is no big difference in pole-end shearing force of T-shaped column and cross-shaped column corresponding to rectangular column.The floor angular displacement in special-shaped column frame structure is slightly larger than that in rectangular column frame structure,but the torsion moment in special-shaped column is much smaller than that in rectangular column.Accordingly,the results can be served as the references in engineering design.