The main parameter of specimens is confinement coefficient.
2
纵向受拉最大点的钢管对核心混凝土没有套箍作用。
The steel tube whose longitudinal tension strain is the biggest has no confinement effect on core concrete.
3
本文报导了10个不同套箍指标的钢管高强混凝土短柱试件的试验研究。
This paper reports the experimental research of 10 specimens of short steel tubular columns filled with high-strength concrete, which have different confinement index.