Concerns over the suitability of some of the structural criteria
contained in the SNAME T & R Bulletin 5-5A - LRFD [1] and 5-5B -
WSD [2] were raised in a report to the HSE by P A F A Consulting
Engineers (PAFA). This report has now been published in the HSE's
OTO Series as OTO 2001 001 [3]. These concerns arose in connection
with: environmental load factors in the LRFD code; associating
welding residual stresses with slenderness values; formulations for
prismatic and hybrid sections; the application to jack-up assessment
of the ISO tubular member
strength formulations proposed for fixed steel structures; and
estimating split-tubular chord sections on standard tubular member
criteria.
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