Section classification (Composite beams: EC4 Eurocode)
Cross-section classification is determined using EC3 Table 5.2.
At construction stage the classification of the section must be Class 1, Class 2 or Class 3.
Sections which are classified as Class 4 are beyond scope.
Note:
Clause 5.5.2 (6) is implemented, not the alternative 5.5.2 (7).
Clause 5.5.2 (11) is not implemented.
Clause 5.5.2 (12) is not implemented.