A parametric study of strength of tubular multiplanar KK-joints


Lee, M.M.K. and Wilmshurst, S.R. (1996) A parametric study of strength of tubular multiplanar KK-joints. Journal of Structural Engineering, 122, (8), 893-904. (PMID:10.1061/(ASCE)0733-9445(1996)122:8(893)).

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Description/Abstract

A parametric study of the static strength of circular hollow-section joints with the multiplanar KK configuration, commonly found in both onshore and offshore structures, is presented. The study, carried out using a well-calibrated and validated finite-element model, investigated the effects of the various geometric parameters on static strength. Particular attention was given to joints with low γ ratios, to where the amount of experimental data is scarce, to the effect of γ on strength, and to the influence of the two major failure modes. In all, a total of 50 joints were analyzed. The study has established a clear demarcation boundary between the two failure types as a function of the transverse gap between the braces. A strength database—compiled from the finite-element data generated and 37 existing test results—was used to formulate strength equations through multiple regression analyses. The equations were found to provide strength predictions to a very high degree of accuracy.

Item Type: Article
ISSNs: 073339445 (print)
1943-541X (electronic)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 74528
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:53
URI: http://eprints.soton.ac.uk/id/eprint/74528

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