Mechanics & Industry
Volume 20, Number 6, 2019
|Number of page(s)||11|
|Published online||02 December 2019|
Influence of the axial position of the external load on the mechanical behavior of the bolted lap joint with different materials
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, PR China
* e-mail: firstname.lastname@example.org
Accepted: 10 August 2019
The axial mechanical behaviors of the bolted joint are a primary concern of the bolted joint structures. The axial load position has obvious influence on the axial mechanical behaviors of the bolted joint with different materials, while it can not be considered by the analytical method yet. The objective of this work is to fill this gap. With the pressure cone assumption, the axial resilience of the stress zones is derived, and the detailed formulation of the load introduction factor is proposed. The mechanical behavior of the bolted joint subjected to external axial load is formulated and compared with finite element analysis. Results show that the distance between load planes has apparent influence on the axial mechanical behaviors of the bolted joint. In particular for the bolted joint with different materials, the axial positions of the external load have obvious effect on the mechanical behavior. Comparisons with the finite element results indicate that with the proposed formulation of load introduction factor, the analytical formulations could predict the mechanical behavior of the bolted joint with different materials accurately. The proposed formulation of load introduction factor in this work could be an effective supplement of the heavy duty bolt design guideline.
Key words: Bolted joint / load introduction factor / bolt load / clamping force / separation load
© AFM, EDP Sciences 2019
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