The test results another is made of four welded equal-leg angles with show that the ribs (lips) cohere with concrete very well before the specimens are damaged, and the damage modes are mainly of shear forms.

• 结果表明：薄壁钢管混凝土短柱以剪切破坏模式为主；肋与混凝土在试件破坏之前，均能保持良好粘结。