Roof support section for displaceable construction unit comprises central U-shaped element open towards unit interior with principal vertical, lower and upper webs, folds increasing section transverse rigidity

摘要

The section (1) comprises a central U-shaped transverse section element (2) open towards the interior of the unit (40). It comprises a principal vertical web (4) and a principal lower web (7) and a principal upper web (8) extending horizontally to the interior. It is made in a single folded metal sheet piece and the upper web extends toward the interior beyond the lower principal web and comprises folds (9,10) for increasing the transverse rigidity of the section.