Advanced Steel Construction

Vol. 20, No. 4, pp. 330-344 (2024)


 STUDY OF MECHANICAL PROPERTIES OF A NOVEL

COLUMN-BEAM-COLUMN PREFABRICATED STEEL FRAME JOINT

 

Zhi-Wei Zhang 1, Dong Li 2, *, Hua-Jie Wang 1, *, Hong-Liang Qian 1, Wen-Qi Fang 1, Xiao-Fei Jing 3 and Feng Fan 4

1 Department of Civil Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China

2 Weihai construction group Co., Ltd., Weihaig, China

3 China State Construction first Bureau Co., Ltd., Beijing, China

4 School of Civil Engineering, Harbin Institute of Technology, Harbin, China

*(Corresponding author: E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.)

Received: 19 October 2023; Revised: 27 February 2024; Accepted: 4 March 2024

 

DOI:10.18057/IJASC.2024.20.4.2

 

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ABSTRACT

Currently, most research on prefabricated steel frame joints focuses on column-column or beam-column connections. However, there has been a lack of effective research on prefabricated column-beam-column joints with higher construction efficiency. In this paper, we present the construction and installation process and technical characteristics of a novel prefabricated column-beam-column joint (NPJ). Initially, we describe the technical specifications of the NPJ. Following this, we examine the mechanical performance of the NPJ using a validated finite element model and conduct a detailed analysis of various parameters affecting its performance. Subsequently, we propose a simplified method for calculating the performance of the NPJ, adhering to existing design codes. Our findings indicate that the NPJ exhibits robust mechanical properties, closely matching those of traditionally welded joints. Notably, the height of the beam emerges as a critical factor influencing the NPJ's load-bearing capacity, more so than the thickness of the lug. This research offers valuable insights and technical guidance for further exploration and practical application of prefabricated steel frame joints.

 

KEYWORDS

Prefabricated, Column-beam-column joint, Mechanical properties, Finite element analysis, Simplified calculation method


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