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Performance study of frictional prefabricated connection nodes in self-centering braced steel frame
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Long-he XU, Chu-cheng HUANG, Xing-si XIE
Journal of Vibration Engineering | 2024, 37(7) : 1239 - 1249
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Journal of Vibration Engineering | 2024, 37(7): 1239-1249
Performance study of frictional prefabricated connection nodes in self-centering braced steel frame
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Long-he XU, Chu-cheng HUANG, Xing-si XIE
Affiliations
  • School of Civil Engineering，Beijing Jiaotong University，Beijing 100044，China
Published: 2024-07-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.07.016
Outline
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Self-centering brace has greater stiffness and bearing capacity after being activated. The brace connection，beam and column are subjected to more complex forces and higher risk of damage. A novel frictional prefabricated connection node in self-centering braced steel frame is proposed to control ultimate axial force of the self-centering brace by frictional slipping. It provides additional energy dissipation for the whole structure. Configuration，assembly and working principles of the connection nodes are described. By numerical simulation，its seismic performance is studied. The effects of design parameters of the connection node on performance are analyzed. The results show that the hysteretic response of the self-centering braced steel frame with the novel connection node is fuller. The energy dissipation capacity of the overall structure is increased by 20.81%. The actual limiting effect of the connection node on total shear force reaches 17.56%，effectively regarding the plastic development of connection node region. By changing the friction coefficient of the friction plate and the preload force of the high-strength bolts of the connection node，the slipping displacement and force can be adjusted.

seismic performance  /  self-centering braced connection nodes  /  prefabricated assembly  /  frictional energy dissipation  /  hysteretic response
Long-he XU, Chu-cheng HUANG, Xing-si XIE. Performance study of frictional prefabricated connection nodes in self-centering braced steel frame[J]. Journal of Vibration Engineering, 2024 , 37 (7) : 1239 -1249 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.07.016
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Year 2024 volume 37 Issue 7
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.07.016
  • Receive Date：2022-08-29
  • Online Date：2026-02-12
  • Published：2024-07-28
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  • Received：2022-08-29
  • Revised：2022-11-14
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    School of Civil Engineering，Beijing Jiaotong University，Beijing 100044，China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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