A new ultimate capacity formula for unstiffened CHS T, TT and K-joints under axial brace loads
Lee, M., Wilmshurst, S.R., Makino, Y., Yamada, H. and Morita, M. (1997) A new ultimate capacity formula for unstiffened CHS T, TT and K-joints under axial brace loads. In, Proceedings of the Seventh (1997) International Offshore and Polar Engineering Conference,Honolulu, USA, May 25-30, 1997. Mountain View, US, International Society of Offshore and Polar Engineers, 13-20.
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In order to make simple design equations for CHS joints, a new ultimate capacity formula for K-joints under axial loads is derived by a multiple regression analysis method and using the database of Makino et al. (1996). Although there are several failure modes in K-joints, an ultimate capacity formula for joints failing only by local deformation of the chord wall is derived in this study. The derived ultimate capacity formula can be used for K-joints, Tjoints, and TT-joints failing with no radial deformation of the chord wall between the braces. This formula represents the first stage of a continuous formula for hub joints where the braces are positioned around the chord circumference (e.g. T-, TT, X-, XT-, and XXjoints), and gap joints (i.e. joints with longitudinally spaced braces). The accuracy of the new ultimate capacity formula is slightly lower than the individual joint equations of Kurobane et al. (1984) and Paul et al. (1994), but it is simpler than the existing formulae.
|Item Type:||Book Section|
|Subjects:||Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
|Divisions:||University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||11 Mar 2010|
|Last Modified:||27 Mar 2014 18:54|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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