Vol. 22, No. 2, pp. 181-197 (2026)
THEORETICAL FULL-PROCESS CALCULATION AND ANALYSIS FOR
SUBCOMPONENTS IN END-PLATE-BOLTED BEAM-COLUMN JOINTS
Kang Ma 1, *, Yi-Ming Gao 1, Zhuo Wang 1, Ruo-Yang Wu 2, Hai-Feng Yu 1, Pan Xu 1 and Yong Li 1
1 School of Civil Engineering, Hebei Province Housing Construction Projects Regeneration Technology Innovation Center,
Hebei University of Science and Technology, Shijiazhuang 050018, China
2 Consor Engineers, Herriman, Utah 84096, USA
*(Corresponding author: E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.)
Received: 5 December 2024; Revised: 7 July 2025; Accepted: 18 July 2025
DOI:10.18057/IJASC.2026.22.2.5
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ABSTRACT
Existing theoretical rotational curve calculation methods for end plate-bolted joints often overlook component-level load transfer mechanisms and full deformation processes. This paper introduces a full-process subcomponent analysis method, which systematically evaluates the force-deformation behavior of joint domains, bolts, end plates, and stiffeners at critical failure stages. Simplified models and formulas are developed to calculate the load-bearing capacity and rotation angles of each component. The proposed method was validated through experiments, numerical simulations, and a practical engineering case. The results show that the proposed method accurately predicts joint rotational behavior, with the end plate thickness and bolt configuration significantly influencing load distribution. By revealing the load transfer mechanisms and clarifying the physical meaning of each component's role in joint rotation, the findings of this study provide a robust theoretical foundation for holistic structural analysis and large-scale computation of steel structures.
KEYWORDS
End plate bolted joint, Beam-column joint, Full component process, Theoretical calculation
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