In result, the border line of large or small eccentric compression is sure, and cross-section capacity of eccentrically-loaded formulas of STSRHC in different eccentric compression is given.

• 结果确定了大小偏心的界线值，给出了不同偏心力作用下钢管-钢骨高强混凝土组合柱偏心受压正截面承载力公式。