附加连接钢板的带肋T形板全装配螺栓球节点抗弯性能研究

张爱林; 严蕊; 姜子钦

doi:10.13206/j.gjgS24022004

附加连接钢板的带肋T形板全装配螺栓球节点抗弯性能研究

doi: 10.13206/j.gjgS24022004

张爱林^1,2,
严蕊¹,
姜子钦^1,2, ,

1. 北京工业大学建筑工程学院, 北京 100124;
2. 北京工业大学, 北京市高层和大跨度预应力钢结构工程技术研究中心, 北京 100124

基金项目:

国家自然科学基金项目（52130809）。

详细信息

作者简介:
张爱林，教授，博士生导师，主要从事装配式钢结构方面的研究，zhangal@bjut.edu.cn。

通讯作者:
姜子钦，教授，博士生导师，主要从事装配式钢结构方面的研究，jzqbj2010@163.com。

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出版历程
- 收稿日期: 2024-02-20
- 网络出版日期: 2025-11-05
- 刊出日期: 2025-09-22

Research on the Flexural Performance of Fully-Assembled Bolted Spherical Joints with Ribbed T-Plates Attached to Steel Plates

Zhang Ailin^1,2,
Yan Rui¹,
Jiang Ziqin^{1,2
, ,}

1. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China;
2. Beijing Engineering Research Center of High-Rise and Large-Span Prestressed Steel Structure, Beijing 100124, China

摘要

摘要: 在大跨度钢结构节点以及传统的螺栓球节点基础上，提出一种适用于大跨度空间结构的新型附加连接钢板带肋T形板全装配螺栓球节点。节点部分由圆钢管、连接圆盘、带肋T形板、连接钢板和高强螺栓组成，构造简单，安装方便。采用有限元软件ABAQUS建立了11个新型节点的数值分析模型，考虑了翼缘厚度、腹板厚度、长肋板厚度、短肋板厚度及连接钢板厚度等关键参数的影响，分析了节点的破坏模式、弯矩-转角曲线特征，并揭示了各参数对节点平面内、平面外抗弯性能的影响规律。结果表明：增大带肋T形板翼缘厚度可显著提高节点的抗弯刚度和抗弯承载力；增加带肋T形板翼缘厚度、长肋板厚度、短肋板厚度或连接钢板厚度可减小两个方向抗弯极限承载力的差距；通过分析节点的应力云图，得出了节点的破坏模式，主要包括连接钢板、短肋板以及翼缘受拉边缘螺孔孔壁在螺杆局部承压下产生的较大挤压应力和塑性变形。
- 装配式钢结构 /
- 螺栓球节点 /
- 抗弯性能 /
- 数值模拟 /
- 破坏模式 /
- 极限承载力
Abstract: Based on prefabricated long-span steel structure joints and traditional bolted spherical joints， a novel fully-assembled bolted spherical joint with ribbed T-plates and additional connecting steel plates， suitable for long-span spatial structures， is proposed in this paper. The joint consists of a round steel tube， connecting discs， ribbed T-plates， connecting steel plates， and high-strength bolts， making it simple in construction and convenient to install. A finite element model of the joint was established using the finite element software ABAQUS. Eleven numerical models of the joint were designed， considering parameters such as the ribbed T-plate's flange thickness， web thickness， long rib plate thickness， and short rib plate thickness， as well as the thickness of the connecting steel plate. The failure modes and moment-rotation curves of the joint were obtained. The influence of different parameters of the joint on the flexural performance in the in-plane and out-of-plane directions was analyzed. The results showed that increasing the flange thickness of the ribbed T-plate significantly improved the flexural stiffness and flexural capacity of the joint. Increasing the thickness of the flange of the ribbed T-plate， the thickness of the long ribbed T-plate， the thickness of the short ribbed T-plate， or the thickness of the connecting steel plate reduced the difference in the ultimate bending capacity between the two directions. By analyzing the stress contour plot of the joint， it was concluded that the failure modes mainly included local failure of the joint steel plate， the short rib plate， and the screw hole wall at the tension edge of the flange under the local pressure of the screw.
- prefabricated steel structure /
- bolted spherical joint /
- flexural performance /
- numerical simulation /
- failure mode /
- ultimate bearing capacity

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