肋板间距对开孔板连接件抗剪刚度影响分析

柳扬清; 刘玉擎; 郑双杰

doi:10.6052/j.issn.1000-4750.2015.02.0122

肋板间距对开孔板连接件抗剪刚度影响分析

同济大学桥梁工程系, 上海 200092

详细信息

作者简介:
柳扬清(1991-),男,吉林人,硕士生,主要从事组合结构桥梁研究(E-mail:lyq_solar@163.com);郑双杰(1985-),男,福建人,博士生,主要从事组合结构桥梁研究(E-mail:sjzhengcn@163.com).

通讯作者:
刘玉擎(1962-),男,江苏人,教授,博士,博导,主要从事组合结构桥梁研究(E-mail:yql@tongji.edu.cn).

中图分类号: U448.38
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出版历程
- 收稿日期: 2015-02-06
- 修回日期: 2015-05-31
- 刊出日期: 2016-09-24

ANALYSIS ON EFFECT OF PLATE SPACING ON SHEAR STIFFNESS OF PERFOBOND CONNECTORS

Department of Bridge Engineering, Tongji University, Shanghai 200092, China

More Information

Corresponding author:
LIU Yu-qing: 10.6052/j.issn.1000-4750.2015.02.0122

摘要

摘要: 为探讨开孔板连接件肋板间距合理的布置方法，通过模型试件抗剪推出试验和弹性地基梁理论，分析了肋板间距对开孔板连接件抗剪刚度的影响机理，提出了考虑肋板间距影响的开孔板连接件抗剪刚度计算公式。研究表明：肋板间距对开孔板连接件抗剪承载力及峰值滑移量影响较小，对开孔板连接件抗剪刚度影响较大；抗剪刚度随着肋板间距增加近似线性增大，逐渐趋近于单块开孔板连接件受力的抗剪刚度；肋板间距与开孔板孔径的比值为开孔板连接件抗剪刚度的主要影响因素，建议并列焊接多个开孔板连接件时距径比不宜小于3.3。
- 组合结构桥梁 /
- 开孔板连接件 /
- 模型试验 /
- 抗剪刚度 /
- 肋板间距
Abstract: In order to discuss the reasonable plate spacing of perfobond connector, the influence of plate spacing on the shear stiffness of perfobond connector is analyzed through the push-out model test and based on the theory of elastic foundation beam. The calculation formula for perfobond shear stiffness is proposed, which accounts for the influence of plate spacing. Research results indicate that the plate spacing has little effect on shear capacity and peak slip of perfobond connector but changes the shear stiffness. Shear stiffness approximately linearly increases as the plate spacing increases, gradually approaching the single plate shear stiffness. The main influence factor for the shear stiffness of perfobond connector is the spacing-diameter ratio, which is suggested to be no less than 3.3 when multi perfobonds are arranged in parallel.
- composite bridge /
- perfobond connector /
- model test /
- shear stiffness /
- plate spacing

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参考文献(16)

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