Research on Tensile Bearing Capacity of Joints of Concrete-Filled Square Steel Tubular Columns with Built-in Hooks and Bending Plates

LIU Xue-chun; MENG Kun

doi:10.13204/j.gyjzg21072201

Volume 52 Issue 9

Sep. 2022

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LIU Xue-chun, MENG Kun. Research on Tensile Bearing Capacity of Joints of Concrete-Filled Square Steel Tubular Columns with Built-in Hooks and Bending Plates[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 138-146. doi: 10.13204/j.gyjzg21072201

Citation:

LIU Xue-chun, MENG Kun. Research on Tensile Bearing Capacity of Joints of Concrete-Filled Square Steel Tubular Columns with Built-in Hooks and Bending Plates[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 138-146. doi: 10.13204/j.gyjzg21072201

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Research on Tensile Bearing Capacity of Joints of Concrete-Filled Square Steel Tubular Columns with Built-in Hooks and Bending Plates

doi: 10.13204/j.gyjzg21072201

Beijing Engineering Research Center of High-Rise and Large-Span Prestressed Steel Structure, Beijing University of Technology, Beijing 100124, China

Received Date: 2021-07-22
Available Online: 2023-02-06

Abstract

Abstract

A new type of column-column connection is proposed, which is composed of upper and lower steel tubular columns, hooks and bending plates. There is no need to weld between the upper and lower columns, which can effectively improve the construction efficiency and shorten the construction period. The tensile tests of nine specimens were carried out, and the load-displacement and load-strain variation laws were analyzed. The design bearing capacity, ductility performance and ultimate bearing capacity of the specimens were obtained. Through parameter analysis, the influence of bending plate thickness, bending plate width, bending plate length, hook length, rebar diameter, bolt and bending plate on the bearing capacity of column-column connection was obtained. According to the test results, some reasonable suggestions were put forward for the practical application of the column-column connections.
- hook and bending plate,
- column-column connation,
- axial tensile test,
- ductility performance,
- design bearing capacity

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References(26)

References

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