| 内配螺旋箍筋方钢管超高强混凝土柱的偏压受力性能 |
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| 引用本文： | 黄经纬,许力,胡红松,,张鹏程.内配螺旋箍筋方钢管超高强混凝土柱的偏压受力性能[J].华侨大学学报(自然科学版),2021,0(2):158-164. |
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| 作者姓名： | 黄经纬 许力 胡红松 张鹏程 |
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| 作者单位： | 1. 华侨大学 土木工程学院, 福建 厦门 361021;2. 华侨大学 福建省结构工程与防灾重点实验室, 福建 厦门 361021;3. 厦门大学 建筑与土木工程学院, 福建 厦门 361005 |
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| 摘 要： | 为研究内配螺旋箍筋方钢管超高强混凝土柱的偏压受力性能,对2个内配螺旋箍筋方钢管混凝土柱和1个普通方钢管混凝土柱进行偏心受压试验,试件内填混凝土的轴心抗压强度为111 MPa.结果表明:组合柱承载力的下降主要是由混凝土压溃导致;螺旋箍筋对提高组合柱承载力的作用不明显,但可显著提高组合柱的延性.
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| 关 键 词： | 超高强混凝土 钢管混凝土 螺旋箍筋 延性 |
Behavior of Eccentrically Loaded Square Spiral-Confined High-Strength Concrete-Filled Steel Tube Columns |
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| HUANG Jingwei,XU Li,HU Hongsong,' target="_blank" rel="external">,ZHANG Pengcheng.Behavior of Eccentrically Loaded Square Spiral-Confined High-Strength Concrete-Filled Steel Tube Columns[J].Journal of Huaqiao University(Natural Science),2021,0(2):158-164. |
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| Authors: | HUANG Jingwei XU Li HU Hongsong " target="_blank">' target="_blank" rel="external"> ZHANG Pengcheng |
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| Institution: | 1. College of Civil Engineering, Huaqiao University, Xiamen 361021, China; 2. Key Laboratory for Structural Engineering and Disaster Prevention of Fujian Province, Huaqiao University, Xiamen 361021, China; 3. School of Architecture and Civil Engineering, Xiamen University, Xiamen 361005, China |
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| Abstract: | Two spiral-confined concrete-filled steel tube(CFST)columns and one concrete-filled steel tube column with the concrete compressive strength of 111 MPa were tested under eccentric axial loading to investigate the behavior of eccentrically loaded square spiral-confined high-strength concrete-filled steel tube columns. The results indicate that concrete crushing is the main cause for the loss of the load-carrying capacity of composite columns;the spiral stirrup does not effectively increase the load-carrying capacity of composite columns, but it can significantly improve the ductility of composite columns. |
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| Keywords: | high-strength concrete concrete-filled steel tube spiral stirrup ductility |
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