Comparison experimental research on the ultimate strength of gusset plate joints of hollow steel tubes(HST) and concrete-filled steel tubes(CFST) were carried out in 12 specimens.

• 试验结果表明:空钢管试件在达到极限荷载时,节点板下空钢管发生严重局部屈曲而丧失承载力;钢管混凝土节点则在节点板下只发生轻微局部屈曲现象,具有较高的承载力。