| 新型外包钢-砼T形截面组合梁滑移性能研究 |
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| 引用本文： | 李少龙,章荣国,石启印.新型外包钢-砼T形截面组合梁滑移性能研究[J].苏州科技学院学报(工程技术版),2007,20(1):1-5. |
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| 作者姓名： | 李少龙 章荣国 石启印 |
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| 作者单位： | 1. 镇江市城市干道工程建设办公室,江苏,镇江,212001
2. 江苏大学,理学院,江苏,镇江,212001 |
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| 摘 要： | 在新型外包钢-砼T形组合梁中,交界面相对滑移是影响构件受力性能的一个重要因素。为研究其交界面相对滑移性能,通过3根足尺新型外包钢-砼组合梁的试验研究,得到组合梁不同截面的荷载-位移、荷载-滑移关系曲线。根据试验结果分析了新型外包钢-砼组合梁交界面相对滑移的发展过程和分布规律,从理论上建立了新型外包钢-砼组合梁交界面相对滑移微分方程,得到了组合梁交界面相对滑移量的计算公式,并通过试验数据对其进行验证,理论计算结果与试验结果吻合良好。
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| 关 键 词： | 外包钢-砼T形组合梁 界面滑移方程 试验研究 理论分析 |
| 文章编号： | 1672-0695(2007)01-0001-05 |
| 修稿时间： | 2006年1月6日 |
Experimental Research on the Interface Slip of New Shape Steel-encased Concrete Composite Beams |
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| LI Shao-long,ZHANG Rong-guo,SHI Qi-ying.Experimental Research on the Interface Slip of New Shape Steel-encased Concrete Composite Beams[J].Journal of University of Science and Technology of Suzhou：Engineering and Technology,2007,20(1):1-5. |
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| Authors: | LI Shao-long ZHANG Rong-guo SHI Qi-ying |
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| Abstract: | The interface slip of the new shape steel-encased concrete composite beams greatly affects its working behavior.To research the interface slip character,three full size simple supported samples have been experimented,the load-deflection curves and load-slip curves are established.Based on these results,the interface slip development process and laws are obtained,a differential equation is established for the interface slip,and a calculating formula is obtained for the interface slip through theoretical analysis.Finally,a good agreement is reached between the calculating results and the experimental results. |
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| Keywords: | steel-encased concrete composite beam interface slip experimental research theoretical analysis |
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