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A200: Cross section requirements for plastic analysis [Table of Contents] App.B: Methods and Models for Design of Column-Stabilised Units

DNV-OS-C201 Structural Design of Offshore Units (WSD method)

[-] App.A: Cross Sectional Types
[-] A: Cross Sectional Types
[-] A300: Cross section requirements when elastic global analysis is used

App.A
A 300   Cross section requirements when elastic global analysis is used

App.A A
301   When elastic global analysis is used, the role of cross section classification is to identify the extent to which the resistance of a cross section is limited by its local buckling resistance.

App.A A
302   When all the compression elements of a cross section are type III, its resistance may be based on an elastic distribution of stresses across the cross section, limited to the yield strength at the extreme fibres.

App.A A
Table A2 Coefficient related to relative strain 

NV Steel grade 1) 

e 2) 

NV-NS 1 
NV-27 0.94 
NV-32 0.86 
NV-36 0.81 
NV-40 0.78 
NV-420 0.75 
NV-460 0.72 
NV-500 0.69 
NV-550 0.65 
NV-620 0.62 
NV-690 0.58 
  1. The table is not valid for steel with improved weldability. See Sec.4, Table D1, footnote 1).
  2. raster
 

TABLE
Table A3 Maximum width to thickness ratios for compression elements

A200: Cross section requirements for plastic analysis [Table of Contents] App.B: Methods and Models for Design of Column-Stabilised Units