Analysis of ultimate load carrying capacity of high-strength bolted structures

Yunbo Zhou; Chengyang Jia; Ming Zhang; Song Wu

doi:10.1117/12.3046713

27 September 2024 Analysis of ultimate load carrying capacity of high-strength bolted structures

Yunbo Zhou, Chengyang Jia, Ming Zhang, Song Wu

Proceedings Volume 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024); 1326121 (2024) https://doi.org/10.1117/12.3046713
Event: 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 2024, Wuhan, China

Abstract

The ultimate load bearing performance of high strength bolt connection structure is analysed, the current mainstream connection method is welding, and high strength steel in the process of high temperature welding will appear heat-affected zone, resulting in the reduction of life, this paper proposes to use high strength bolt connection structure instead of welded connection, through the establishment of the bolt connector finite element model to achieve the high strength bolts shear load bearing analysis of the working condition, to analyse the change of ultimate load bearing capacity under the influence of different The change of ultimate bearing capacity under the influence of different bolt apertures and bolt diameters is analysed. It is found that the appropriate increase of bolt aperture diameter is conducive to the transfer of bolt load, avoiding the bolt pull-off failure caused by stress concentration, thus improving the overall load bearing performance of the connection; while the increase of bolt diameter, the failure form of the bolt connection structure will be from the shear failure to the plate aperture wall crushing failure, the edge of the necking deformation, so it is necessary to avoid the selection of too large a bolt diameter.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yunbo Zhou, Chengyang Jia, Ming Zhang, and Song Wu "Analysis of ultimate load carrying capacity of high-strength bolted structures", Proc. SPIE 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 1326121 (27 September 2024); https://doi.org/10.1117/12.3046713

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