试验的主要参数是套箍系数。
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.
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.
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