Behaviors of a single crack in multiple bolted joints

✍ Scribed by S.H. Ju; T.L. Horng

• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 800 KB
• Volume: 36
• Category: Article
• ISSN: 0020-7683
• DOI: 10.1016/s0020-7683(98)00190-5

✦ Synopsis

This paper examines the pin load ratios and the stress intensity factors "SIFs# of a single crack in the multiple bolted joints by using _nite element analyses[ Cubic!spline contact elements and rigid links were used to model the contact surface between the bolt and the rigid pin[ The least!squares method was used to determine the SIFs[ The _nite element results indicate that the cracked hole can still sustain the major part of the original loading at the uncracked condition[ The _rst hole sustains the largest pin load and mode!I SIF\ which are reduced little for crack propagation[ This critical condition cannot be reduced by the arrangement of more pins in the plate[ In this paper\ two simple formulae were also investigated to _t the load ratios and SIFs of the multiple bolted!joints problems[ Þ 0888 Elsevier Science Ltd[ All rights reserved[