The diameter of bar generally used in slabs are.
Roof slab steel details.
Steel roof section details steel roof section design detail steel bar use make a slab amp.
Maximum spacing of main bar is restricted to 3 times effective depth or 300 mm whichever is less.
Steel roof section design dwg file.
Best materials ph.
Metal should not be re bent once it has been formed nor should it be folded back on itself.
The maximum diameter of bar used in slab should not exceed 1 8 of the total thickness of slab.
Main bar distribution bar difference top and bottom clear cover is 25 mm consider development length as 40 d thickness of slab 150 mm.
The dwg files are compatible back to autocad 2000.
Main bars are 12 mm in diameter 150 mm centre to centre spacing distribution bars are 8 mm in diameter 150 mm centre to centre spacing.
Bending and bowing aluminum and steel roofing and siding sheets are rollformed from hardened tempered metal for maximum strength.
Design draw in autocad format.
6 mm 8 mm 10 mm 12mm and 16mm.
This method has been used extensively since 1963 for slabs supported at the edges by walls steel beams or monolithic concrete beams having a total depth not less than about 3 times the slab thickness.
If a sheet must be bent a gentle 90 degree bend is the maximum recom mended.