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Parametric Analysis of End-Plate Joint in Hybrid Strength Steel Frame Subjected to Static Loads
To achieve the concept of “strong column and weak beam” and further improve the performance of high strength steel frames, the hybrid strength steel frame with the end-plate joint was proposed in this paper. After verifying the FE modeling method, a total of 22 fine models were built and the parametric analysis was conducted to investigate the influence of eight factors on the initial stiffness, flexural capacity and ductility of the joint. The factors included the parameters of the column, the parameters of the end-plate, the parameters of the bolted connection and the compression ratio. The effectiveness of these factors was determined by the multivariate regression analysis. Then, the component methods provided in EC3 to determine the flexural capacity and initial stiffness were validated. The results indicated that the method for the flexural capacity was reasonable while the method for the initial stiffness showed poor accuracy. The formulas to predict the initial stiffness were modified and were verified.
Parametric Analysis of End-Plate Joint in Hybrid Strength Steel Frame Subjected to Static Loads
To achieve the concept of “strong column and weak beam” and further improve the performance of high strength steel frames, the hybrid strength steel frame with the end-plate joint was proposed in this paper. After verifying the FE modeling method, a total of 22 fine models were built and the parametric analysis was conducted to investigate the influence of eight factors on the initial stiffness, flexural capacity and ductility of the joint. The factors included the parameters of the column, the parameters of the end-plate, the parameters of the bolted connection and the compression ratio. The effectiveness of these factors was determined by the multivariate regression analysis. Then, the component methods provided in EC3 to determine the flexural capacity and initial stiffness were validated. The results indicated that the method for the flexural capacity was reasonable while the method for the initial stiffness showed poor accuracy. The formulas to predict the initial stiffness were modified and were verified.
Parametric Analysis of End-Plate Joint in Hybrid Strength Steel Frame Subjected to Static Loads
Int J Steel Struct
Jia, Chen (author) / Li, Jianwei (author) / Shao, Yongsong (author) / Wang, Yongchao (author)
International Journal of Steel Structures ; 20 ; 1916-1928
2020-12-01
13 pages
Article (Journal)
Electronic Resource
English
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