STUDY OF T-STUB COMPONENTS OF A BEAM TO COLUMN JOINT: A FULL FACTORIAL EXPERIMENT

Authors

  • V. Riumin Харківський національний університет міського господарства імені О. М. Бекетова
  • Yu. Solodovnyk Харківський національний університет міського господарства імені О. М. Бекетова

DOI:

https://doi.org/10.33042/2522-1809-2025-1-189-225-232

Keywords:

bearing capacity, rotational stiffness, numerical model, T-stub component

Abstract

The article discusses the application of the component method to assess the bearing capacity of a T-stub component of steel structures in tension. The method allows analysing the behaviour of the joint based on the mechanical characteristics of the material and geometrical parameters. The proposed approach is based on the consideration of a joint as a set of individual main components that interact with each other to form a complex structural system.
The study was carried out by modelling and analysing various parameters of the component using the finite element method in software packages, which allowed to determine the critical factors that affect its bearing capacity. A full factorial experiment was carried out, within which a research planning matrix was built and regression equations were determined to assess the influence of the main parameters. The analysis of the data obtained allowed us to identify the most significant factors affecting the behaviour of the component, in particular, the thickness of the shelf, the distance between the bolts and the diameter of the bolts. The significant influence of pairwise and triple interactions between the factors on the bearing capacity of the connection was also revealed.
The results of the study showed that the model has high adequacy, since the calculated value of the F-criterion is less than the tabulated value, which confirms the reliability of the results. The relative strength of the influence of the factors was analysed using diagrams, which made it possible to determine the most optimal parameters for improving the bearing capacity of the structure.
The application of the component method makes it possible to significantly increase the accuracy of calculations, minimise the cost of physical experiments, and improve the design process of steel structures. The results obtained can be used to develop recommendations for optimising design solutions in the design of joints. Thus, this study contributes to improving the efficiency of bearing capacity calculations and expanding the possibilities for the practical application of mathematical modelling methods in structural engineering.

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Published

2025-04-02

How to Cite

Riumin, V., & Solodovnyk, Y. (2025). STUDY OF T-STUB COMPONENTS OF A BEAM TO COLUMN JOINT: A FULL FACTORIAL EXPERIMENT. Municipal Economy of Cities, 1(189), 225–232. https://doi.org/10.33042/2522-1809-2025-1-189-225-232

Issue

Vol. 1 No. 189 (2025)

Section

статьи

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