双向偏压钢骨混凝土T形柱的试验研究

Biaxial eccentric pressure experimental research on T-shaped steel reinforced concrete columns

为了了解钢骨混凝土T形柱的双向偏心受压下的力学性能,制作了6根含钢骨率不同的钢骨混凝土T形柱的双向大偏心及双向小偏心受压的试件。在试验过程中,观察了试验现象,分析了试验数据,得出了相应关系的曲线,并对各种曲线进行了详细的分析,从而了解异形柱的受力性能及破坏机理。通过试验,明确了钢骨混凝土异形柱承载力的破坏特征、影响因素,含钢率越大,构件的承载能力提高越明显、延性越好。钢骨与混凝土之间可以很好地共同工作,直至破坏。

In order to know the mechanical property of T-shaped steel reinforced concrete columns under biaxial eccentric pressure,the 6 specimens of-shaped steel reinforced concrete columns that steel ratio is not same has been made.We observed the experiment phenomenon,analyzed the results of the experiment,and obtained the interrelated curves betweens bearing capacity and the affected factors,and learned mechanical property and the failure models.Through the experiment,we can know the damage character and affected factors of steel reinforced concrete special-shaped columns.And the conclusion is that the larger the ratio of steel is,the larger the bearing capacity and ductility are.Steel and reinforced concrete can keep working together well from loading until breaking down.