Investigation of mechanical hysteresis under cyclic loading in bolted connection of crane slewing-bolt device
DOI:
https://doi.org/10.33408/2519-237X.2025.9-3.335Keywords:
hreaded joints, hysteresis loop area, finite element modeling, cyclic loading, bolted joint destruction, combined types of loadingAbstract
Purpose. Estimation of bearing capacity and areas of destruction of threads of bolt connection of the crane slewing support device.
Methods. The method of three-dimensional modeling in the Autodesk Inventor Professional environment, which allows to work with the assembly of solid bodies being in parametric dependencies between each other, was used to study the behavior of the bolt connection of the tower crane slewing device under cyclic loading.
Findings. The bolted connection of the tower crane slewing support device was investigated in ANSYS environment. The load acting on tested connection resulted in plastic deformations and then the tested connection was unloaded. The unloading occurred according to the elastic law, and the residual deformations were preserved. The most probable scenario of change in the plastic properties of the bolted connection was modeled, and the areas of critical stresses were determined. The developed finite element model allows describing the behavior of the bolted joint and determining the areas of thread destruction.
Application field of research. Prediction of strength loss in the most probable areas of overloading, and, as a consequence, displacement of bolted joint under small frequent loads.
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Copyright (c) 2025 Martynenko T.M., Smillovenko O.O., Pronkevich S.A., Losik S.A., Martynenko I.M.
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