Vol. 16, No. 4, pp. 337-345 (2020)
STUDY ON MOMENT-ROTATION RELATIONSHIP OF STEEL SLEEVE
BEAM-COLUMN JOINT WITH INTERFERENCE FIT
Wen-Tao Qiao 1, 2, *, Ren-Jie Zhu 1, Dong Wang 3, Jian Li 1, 4 and Jia-Wei Yuan 1
1 School of Civil Engineering, Shi Jiazhuang Tiedao University, Shi Jiazhuang, China
2 Cooperative Innovation Center of Disaster Prevention and Mitigation for Large Infrastructure in Hebei Province (Shi Jiazhuang Tiedao University), Shi Jiazhuang, China
3 TRC Companies, Baton Rouge, United States of America
4 School of Civil Engineering, Southwest Jiaotong University, Chengdu, China
*(Corresponding author: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.)
Received: 23 July 2020; Revised: 13 August 2020; Accepted: 10 September 2020
DOI:10.18057/IJASC.2020.16.4.6
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ABSTRACT
The steel sleeve beam-column joint with interference fit (SSBCJ-IF) is a new steel structure beam-column joint based on interference fit in mechanical engineering. The refined finite element analysis (FEA) model is proposed by comparing analysis results with those of similarity test and theoretical calculations. The refined FEA model is used to perform variable parametric analyses on the mo-ment-rotation relationship of SSBCJ-IF, including loading, material and geometry properties. Results show that the strength of concrete has little influence on both bearing capacity and initial stiffness of the joint, the strength of steel has obvious influence on flexural capacity of the joint but does not affect initial stiffness, both magnitude of interference and ratio of beam-column stiffness have some influence on the initial stiffness, the ratio of beam-column strength has some influence on both initial stiffness and bearing capacity, both initial stiffness and bearing capacity of the joint decrease significantly when the axial compression ratio exceeds 0.7. Finally, a simplified calculation method of the moment-rotation curve is proposed, and results calculated by this simplified method are in good agreement with those from the refined FEA.
KEYWORDS
Steel sleeve beam-column joint, Interference fit, Finite element analysis, Parametric analysis, Moment-rotation curve
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