试验旨在研究在较高轴压比条件下，高弹模PVA纤维对超高强混凝土短柱抗震延性的改善作用。
The primary objective is to study the effect of high-modulus PVA fibers on improving the seismic performance of super-high-strength concrete short columns with high axial pressure ratio.
为研究方钢管约束高强混凝土短柱的轴压力学性能，进行了12个试件在循环轴压荷载作用下的试验研究。
To study the axial load behavior of square tube confined HSC short columns, 12 specimens was tested under cyclic axial compression.
利用约束指标，得出基于统一理论的新型组合短柱的轴压承载力公式。
Formulas with restriction index based on the unified theory, and used for predicting the ultimate bearing capacity of the short composite column, are proposed.
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