Thin-walled beam with channel section and straight web

摘要

cienkou015bcienna beam of ceowym with simple u015brodnikiem height (h) and perpendicular to the shelves of width (w), characterised by the fact that the shelves have a flat outer surface and internal surface is composed of two rectangular box (1) of height (d) of time width (f) each.rozsuniu0119te between each other at a distance (g) and transferred to the distance (e) from the extreme edge of the shelf.