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The Static Strength Analysis of Prying Action for T-flange Shape Structure Using F10T High Strength Bolt  

Park, Myung-Kyun (Department of Mechanical Engineering, Myongji University)
Lee, Joong-Won (Graduate School of Department of Mechanical Engineering, Myongji University)
Koo, Bon-Sung (S&T Dynamics)
Publication Information
Journal of the Korean Society of Safety / v.23, no.4, 2008 , pp. 19-24 More about this Journal
Abstract
This paper presents and discusses the experimental results on the F10T high strength bolts used in the T-flange joint structure. The experimental works were carried out for the parameters which are flange web thickness, the distance between bolts, prying ratio. The results show that the working stress imposed to bolts decreases as the flange web thickness increases on the other hand the imposed stress to the bolts increases as the distance between two bolts increases. In other words the strength of the T-flange joint increased as the web flange thickness increases and the distance between two bolts decreases. The prying ratio is increased as the distance between two bolts increases and as the flange web thickness decreases However, the degree of stress decrease in flange thickness variation is not that high as the distance variation between two bolts. Finally the equation for predicting the failure stress in T-flange joint structure using F10T high strength bolts was suggested.
Keywords
high strength bolt; split tee(T-stub); prying action; T-flange;
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