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在垂直压力下对钢接头进行实验调查和模拟分析
Zhihao Li1, Yizhong Zhang1, Wenfeng Du1
1School of Civil and Architectural Engineering, Henan University, Kaifeng, Henan, China.
Scientific reports
|May 17, 2024
概括
这项研究增强了对树状结构中钢接头的理解. 一个新的公式准确地预测了承载能力,提高了结构安全和设计效率.
科学领域:
- 结构工程 结构工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 钢接头在树状柱体结构中至关重要,以保持顺的过渡和整体安全.
- 目前对这些接头的机械性能和承载能力的理解是有限的.
- 需要准确的计算公式用于叉钢接头.
研究的目的:
- 为了研究三叉钢接头的负载特性.
- 填补机械性能方面的知识空白,并开发这些关节的计算公式.
- 提高钢接头应用的设计效率和准确性.
主要方法:
- 从实用工程中对一个全面的钢接头模型进行垂直负载测试.
- 使用SolidWorks和ANSYS进行有限元分析 (FEA),结果与实验数据进行比较.
- 进行回归分析,以得出分支轴承造钢接头承载能力的计算公式.
主要成果:
- 实验数据提供了详细的应力分布和测试关节的垂直移位.
- FEA的结果与实验数据有很好的一致性,最大误差为9.02%.
- 负载能力的衍生回归公式显示出高精度,与FEA相比,最大误差仅为1.9%.
结论:
- 该研究成功地描述了三叉钢接头的负载行为.
- 衍生的回归公式准确地预测了承载能力,并可用于设计优化.
- 这些发现提高了树状钢结构的结构安全性和设计效率.
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