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工程力学  2015 

方钢管混凝土框架-薄钢板剪力墙边框柱刚度研究

DOI: 10.6052/j.issn.1000-4750.2013.12.1162

Keywords: 方钢管混凝土框架,薄钢板剪力墙,竖向边缘构件,柱刚度限值,非线性数值分析

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Abstract:

钢框架-薄钢板剪力墙竖向边缘构件刚度限值源于经典薄腹梁理论,其仅适用于钢框架,对于方钢管混凝土框架-薄钢板剪力墙,该刚度限值公式不再适用。该文基于薄腹梁理论,提出了方钢管混凝土竖向边缘构件的刚度限值计算公式。构建了不同宽高比和宽厚比分析模型,进行了非线性数值分析,研究了不同柱刚度对方钢管混凝土框架-薄钢板剪力墙力学性能、边框变形和破坏机制的影响。结果表明,按照该文公式设计的方钢管混凝土竖向边缘构件可充分发挥薄钢板剪力墙的结构性能,实现理想的破坏机制。

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