模块间新型全螺栓装配式拼接节点抗拉性能研究

王梓旭; 杨怡亭; 王光庆; 王燕

doi:10.13206/j.gjgS25112601

模块间新型全螺栓装配式拼接节点抗拉性能研究

doi: 10.13206/j.gjgS25112601

青岛理工大学土木工程学院, 山东青岛 266520

基金项目:

国家自然科学基金项目（51908306，52078258）。

详细信息

作者简介:
王梓旭,硕士研究生,主要从事钢结构连接节点方面的研究,3064716073@qq.com。

通讯作者:
杨怡亭,博士,副教授,主要从事钢结构方面的研究,yitinger123@qut.edu.cn。

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出版历程
- 收稿日期: 2025-11-26

Research on the Tensile Performance of Novel Fully-Bolted Prefabricated Splicing Joints Between Modules

School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China

摘要

摘要: 为实现模块化钢框架模块间的高效连接，提出一种可实现现场全螺栓装配的新型模块间内套筒式连接节点。为研究该新型节点在受拉工况中的受力性能、破坏机理及其影响参数，针对其局部连接构造开展单调拉伸试验和有限元分析。通过设计 4 组缩尺模型，对比研究该新型连接构造在受拉工况中的变形特征、破坏模式、承载能力等力学性能指标及演变机制。基于试验数据，建立有限元模型，对节点关键参数进行参数化分析。研究结果表明：内套筒构件的厚度与长度对该新型节点的抗拉性能影响极小；角钢构件厚度变化对新型连接在单调拉伸作用下的屈服荷载及峰值荷载影响显著；连接板的厚度对新型连接的抗拉承载力具有一定的影响，但需要考虑其与角钢通过高强螺栓连接后的协同受力与变形，进行合理的设计。基于分析结果，研究给出了该模块间新型全螺栓构造的实际设计建议及优化方向。
- 模块化钢结构 /
- 模块间节点 /
- 全螺栓装配式节点 /
- 拉伸性能
Abstract: To achieve efficient connections between modules of modular steel frames，a novel inner sleeve connection joint facilitating onsite fully-bolted assembly is proposed. To investigate the mechanical properties，failure mechanism，and influencing parameters of this novel joint under tensile loading，monotonic tensile tests and finite element analyses were conducted by focusing on its local connection details. Four sets of scaled models were designed for a comparative study on the mechanical peroperty indicators（e. g. ，deformation characteristics，failure modes，and bearing capacity）and the evolution mechanisms of the novel connection structure under tensile conditions. Based on the test data，an ABAQUS finite element model was established to perform parametric analysis on the key parameters of the joint. The research results indicated that the thickness and length of the inner sleeve component had a negligible effect on the tensile performance of the novel joint；variations in the thickness of the angle steel component significantly influenced the yield load and peak load of the novel joint under monotonic tension；the thickness of the connecting plate had a certain impact on the tensile capacity of the novel joint，but the coordinated force and deformation between the connecting plate and the angle steel through high-strength bolts should be taken into account for rational design. Based on the analysis results，practical design suggestions and further optimization directions for this novel fully-bolted connection structure between modules were proposed，providing a theoretical and technical basis for advancing the industrialization of modular steel frame structures and realizing efficient connections between modules.
- modular steel structure /
- joints between modules /
- fully-bolted prefabricated joint /
- tensile performance

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