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Class 4
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If a section contains a slender element it will be indicated as a class 4 section and no additional design checks will be performed. |
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SlenderWeb
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If a section subject to shear has a web whose depth to thickness ratio exceeds the limit of then no further design checks will be performed. |
| KLR > 200 or KLR > 300 |
Displayed when the slenderness of a section in compression exceeds the code specified limit of 200, or 300 when the section is subject to tension (and the user has selected to consider this check in the Criteria-Axial Slenderness Limits). |
| Cf > Cex or Cf > Cey |
Displayed when the axial force on the section exceeds the elastic buckling capacity of the section. This could have some unexpected consequences in the calculation of interaction values. |
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T-O in Bend
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Some tension-only members (flat bars, rods etc) do not have bending capacities calculated. This error is issued if one of these member types is subject to a bending force following an analysis. |
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T-O in Comp
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Some tension-only members (flat bars, rods etc) do not have compression capacities calculated. This error is issued if one of these member types is subject to a compression force following an analysis. This should only occur if the user assigns a tension-only shape to a member that is then not designated to be tension-only. |
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A-O in Bend
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Some members capable of withstanding both tension and compression forces only do not have bending capacities calculated. This error is issued if one of these member types is subject to a bending force following an analysis. |
