[提要]  通过对4根不同用钢量、内置实腹式工字钢的钢骨高强混凝土(>C75)柱的轴心受压试验，对这类结构柱的受力性能进行了分析对比，并根据试验结果与理论分析提出了满足工程精度要求的轴心受压极限承载力计算公式与合理的用钢量范围。
[关键词] 钢骨高强混凝土 用钢量 轴心受压

Based on the experimental study on four steel reinforced high strength concrete( >C75) columns which vary in steel content under axial force, several properties of such structural columns are analyzed. An axial press ultimate bearing capacity calculating formula which is satisfactory for engineering precsion and reasonable steel content are proposed in terms of experimental results and theoretical analysis.
Keywords: steel reinforced high strength concrete; steel content; axial press