no-yield point

However, no yield point of the steel pipe filled with concrete are not involved; The model tests of concrete-filled steel tubular laced column are not many.
本文通过无屈服点钢管混凝土轴压短柱和四肢钢管混凝土格构柱的试验研究和理论分析,建立了短柱和四肢格构柱的受压极限承载力计算公式。