| 轴力作用下钢管短柱的性能和强度分析 |
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| 摘 要： | 对轴力作用下钢管短柱的性能和强度进行了试验和数值分析。对包括20个圆形和方形钢管混凝土短柱在内的40个构件进行了试验,以分析其在轴压作用下的破坏模式和轴向承载强度。同时也对管的径(宽)厚比和混凝土的抗压强度的影响进行了分析。对钢管混凝土柱中管的高径(宽)比的影响进行分析,以探究钢管和混凝土之间的粘结和摩擦对钢管混凝土柱性能的影响。利用钢管的弹塑性分析研究轴压下短柱的受力机制。提出了公式用以预测钢管混凝土短柱的极限轴向承载强度,并将预测结果与试验结果进行了对比。
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| 关 键 词： | 钢管混凝土 短柱 轴压 径(宽)厚比 破坏模式 轴向承载强度 弹塑性分析 |
Behavior and Strength of Tubed RC Stub Columns Under Axial Compression |
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| Jiepeng Liu , Xuhong Zhou. Behavior and Strength of Tubed RC Stub Columns Under Axial Compression[J]. Steel Construction, 2010, 0(1) |
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| Authors: | Jiepeng Liu Xuhong Zhou |
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| Affiliation: | Jiepeng Liu and Xuhong Zhou |
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| Abstract: | This paper presents an experimental and analytical study on the behavior of axially compressed tubed RC stub columns.Forty specimens including twenty circular tubed RC (STRC) and twenty square tubed RC (STRC) stub columns were tested to investigate the failure mode and axial load strength of tubed RC columns subjected to axial compression.The effect of diameter/width to thickness ratio of the tubes and compressive strength of concrete were also studied.The effect of height to diameter/width ratio of the sep... |
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| Keywords: | Tubed RC Stub column Axial compression Diameter/width to thickness ratio Failure mode Axial load strength Elastic-plastic analysis |
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