但是目前对异形钢管混凝土柱的研究仅限于受力性能的研究，在抗震性能方面的研究比较少见。

However, the current studies on special-shaped concrete-filled steel tubular columns are only limited in the field of mechanical behavior and rare in the field of seismic performance.

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异形钢管混凝土组合柱最常见的截面形式有三种，即十字形、T形和L形。

There are three kinds of cross-section for special-shaped concrete-filled steel tube compound columns. They are cross-shaped, T-shaped and L-shaped.

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