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Tensile Capacity of Self-Piercing Rivet Connections in Thin-Walled Steel and Concrete Composite Structures
In this paper, self-piercing riveting (SPR) is implemented to thin-walled cold-formed steel and concrete (CFSC) composite structures for the first time. Tensile comparison tests were conducted on 5 groups of composite joints and 1 group of SPR joints. The load-displacement curves, ultimate loads, and failure modes were analyzed according to the experimental results. The parameters of the concrete strength, sheet thickness ratio, and sheet combination type were studied to determine their effects on the tensile performance of the composite joints. Numerical simulations were performed with ABAQUS software to verify and analyze the damage behavior of the composite joints. Based on models of the SPR joint and the force transfer mechanism, a method for determining the tensile capacity of the composite joint was proposed. The results of the tests show that concrete restraints can limit the buckling of the sheet and rivet tilting, significantly increasing the ultimate tensile capacity of the composite joints. The concrete strength, sheet thickness ratio, and sheet combination type were important factors affecting the tensile strength of the composite joints. Moreover, a new method for calculating the tensile strength of composite joints is proposed in this paper. In addition to being accurate, this method can be used to consider the effects of concrete constraints.
Tensile Capacity of Self-Piercing Rivet Connections in Thin-Walled Steel and Concrete Composite Structures
In this paper, self-piercing riveting (SPR) is implemented to thin-walled cold-formed steel and concrete (CFSC) composite structures for the first time. Tensile comparison tests were conducted on 5 groups of composite joints and 1 group of SPR joints. The load-displacement curves, ultimate loads, and failure modes were analyzed according to the experimental results. The parameters of the concrete strength, sheet thickness ratio, and sheet combination type were studied to determine their effects on the tensile performance of the composite joints. Numerical simulations were performed with ABAQUS software to verify and analyze the damage behavior of the composite joints. Based on models of the SPR joint and the force transfer mechanism, a method for determining the tensile capacity of the composite joint was proposed. The results of the tests show that concrete restraints can limit the buckling of the sheet and rivet tilting, significantly increasing the ultimate tensile capacity of the composite joints. The concrete strength, sheet thickness ratio, and sheet combination type were important factors affecting the tensile strength of the composite joints. Moreover, a new method for calculating the tensile strength of composite joints is proposed in this paper. In addition to being accurate, this method can be used to consider the effects of concrete constraints.
Tensile Capacity of Self-Piercing Rivet Connections in Thin-Walled Steel and Concrete Composite Structures
KSCE J Civ Eng
Pan, Zhihong (author) / Gao, Haofei (author) / Yao, Kai (author) / He, Qianpeng (author) / Wang, Yunqing (author) / Xu, Gaowa (author) / Zhu, Juntao (author)
KSCE Journal of Civil Engineering ; 28 ; 3322-3332
2024-08-01
11 pages
Article (Journal)
Electronic Resource
English
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