装配式钢框架柱法兰栓焊连接节点受力性能试验研究与有限元分析
引用文献：
舒兴平， 钱鑫， 刘筱钰， 贺冉， 张再华， 姚尧. 装配式钢框架柱法兰栓焊连接节点受力性能试验研究与有限元分析[J]. 建筑结构，2023，48（05）：90-97.
SHU Xingping ，QIAN Xin ，LIU Xiaoyu ，HE Ran ，ZHANG Zaihua ，YAO Yao. Experimental study and finite element analysis on mechanical behavior of flange bolted-welded connection joints of fabricated steel frame column[J]. Building Structure，2023,48（05）：90-97.
摘要：为研究一种新型法兰栓焊连接柱节点在多高层钢结构中的工程应用，对3个法兰连接足尺模型试件进行了静力加载试验，并建立ABAQUS有限元模型对其进行对比论证以及理论分析。分析结果表明：新型法兰栓焊连接节点受力性能良好，对比传统法兰连接节点其刚度和承载力均有所提升；新型法兰栓焊连接节点的破坏模式有所改善。得出了不同焊缝尺寸下新型法兰栓焊连接节点的螺栓与焊缝承受弯矩的受力分配比，试验结果与有限元分析结果具有较好的一致性。
关键词：装配式钢框架结构；新型节点；法兰连接；栓焊连接节点；静力试验；有限元分析；
基金：国家自然科学基金项目(51778219)。
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[4] 孙鹏，王元清，石永久.方钢管法兰连接承载性能的有限元分析[J].中北大学学报(自然科学版),2009,30(5):430-435.
[5] 王元清，宗亮，石永久.钢管结构法兰连接节点抗弯承载性能的试验研究[J].湖南大学学报(自然科学版),2011,38(7):13-19.
[6] WANG Y Q,ZONG L,SHI Y J.Bending behavior and design model of bolted flange-plate connection[J].Journal of Constructional Steel Research,2013,84(5):1-16.
[7] 邓洪洲，高英赫，张亮亮，等.钢管杆方形法兰受弯性能试验研究与有限元分析[J].建筑结构学报，2014,35(7):44-52.
[8] 丁娟，杨彬，李瑞锋，等.采用钢板攻丝高强螺栓法兰连接的装配式钢框架柱受力性能研究[J].建筑结构学报，2016,37(8):143-150.
[9] LIU X C,HE X N,WANG H X,et al.Compression-bend-shearing performance of column-to-column bolted-flange connections in prefabricated multi-high-rise steel structures[J].Engineering Structures,2018,160:439-460.
[10] LIU X C,HE X N,WANG H X,et al.Bending-shear performance of column-to-column bolted-flange connections in prefabricated multi-high-rise steel structures[J].Journal of Constructional Steel Research,2018,145:28-48.
[11] 刘学春，和心宁，张爱林，等.拉-弯-剪组合作用下法兰连接方钢管柱受力性能研究[J].建筑结构学报，2018,39(6):69-80.
[12] 刘学春，王鹤翔，王艺萌，等.装配式方钢管法兰连接节点受力性能研究[J].工业建筑，2017,47(8):139-144.
[13] 钢结构设计标准：GB 50017—2017[S].北京：中国建筑工业出版社，2017.
[14] KOSTESKI N,PACKER J A,PUTHLI R S.A finite element method based yield load determination procedure for hollow structural section connections[J].Journal of Constructional Steel Research,2003,59(4):453-471.
Experimental study and finite element analysis on mechanical behavior of flange bolted-welded connection joints of fabricated steel frame column
Abstract: In order to study the engineering application of a new type of flange bolted-welded connection column joints in multi-stored steel structures, static loading tests were carried out on 3 full-scale model specimens of flange connection, and the ABAQUS finite element model was established to carry out comparative demonstration and theoretical analysis. The analysis results show that the new type of flange bolted-welded connection joints stress performance is good, and the stiffness and bearing capacity are improved compared to traditional flange connection. The failure mode of the new type flange bolted-welded connection joint has been improved. The stress distribution ratio between the bolt of the new type flange bolted-welded connection joint and the bending moment of the welding joint under different weld sizes was obtained, the experimental results are in good agreement with the finite element analysis results.
Keywords: fabricated steel frame structure; new joint; flange connection; bolted-welded connection joint; static test; finite element analysis
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