基于配筋变化下的混凝土箱型柱抗震性能试验研究

Experimental Study on Seismic Behavior of Concrete Box Columns Based on the Change of Steel Reinforcement Ratio

本文基于对2个配筋变化的箱型截面柱恒定轴压下的水平拟静力试验的研究,分析了配筋变化对箱型截面柱的抗震性能的影响。试验结果显示:当配筋率在1.58%~2.21%之间变化时,配筋率的增大明显提升试件的耗能能力和最大承载力,但是会明显降低试件的延性。

Based on the horizontal pseudo-static tests of two box-section columns with different reinforcement ratios under constant axial compression, the seismic performance of box-section columns with different reinforcement ratios is analyzed in this paper. The test results show that when the reinforcement ratio varies from 1.58% to 2.21%, the increase of reinforcement ratio can obviously prove the energy dissipation capacity and the maximum bearing capacity of the specimens, but it can obviously reduce the ductility of the specimens.