Specification

  • Aluminium sheet is 0.5mm up to 1.2mm thick alloy A3105-H16 Temper from tension levelled 45-105coils.Different alloy can be supplied on request.
  • GI and Alu-Zinc coated steel profile sheet 0.4 to 0.9mm thick as per ASTM A 653 for GI and ASTM A 792 for Alu-Zinc.Different grades can be supplied on request.
  • Painting is baked regular modified polyester with 5-micron primer and 20-micron coat on the weathering side and 5/7 micron primer on the reverse -PVDF, Silicon, Modified Polyester , Plastisol and ARS coating on request is applicable.

SECTION PROPERTIES (per meter of coverage width)

Thickness Weight Area Top in Compression Bottom in Compression Shear
(mm) Kg/m2 Cm2 Ix cm4 Sx top cm3 Sx bottom cm3 Ma kn-m Ix cm4 Sx top cm3 Sx bottom cm3 Ma kn-m Va kn
0.70 7.433 9.481 27.414 11.227 13.041 3.733 27.511 11.456 12.841 3.809 60.057
0.80 8.494 10.863 31.743 13.103 14.920 4.127 31.670 13.097 14.887 4.127 74.122
0.90 9.57 12.190 35.577 14.671 16.691 4.621 35.577 14.672 16.693 4.623 83.178
1.00 10.618 13.544 39.450 16.221 18.422 5.110 39.377 16.222 18.444 5.111 92.189

ULTIMATE UNIFORM LOAD CAPACITIES (KN/m2)

Thickness No. of Spans Span in meter
Mm No’s 1 1.25 1.5 1.75 2 2.25 2.5
0.70 Single Spans 16.16 10.33 6.44 4.06 2.72 1.92 1.40
Multi Spans 20.03 12.94 8.99 6.60 5.06 3.7 2.63
0.80 Single Spans 18.34 11.74 7.36 4.64 3.2 2.19 1.60
Multi Spans 22.94 14.47 10.20 7.49 5.74 4.12 4
0.90 Single Spans 20.73 13.27 8.28 5.22 3.50 2.46 1.80
Multi Spans 25.93 16.59 11.52 847 6.49 4.63 3.38
1.00 Single Spans 22.98 14.8 9.20 580 3.89 2.73 2.00
Multi Spans 28.75 18.40 12.78 9.39 7.19 5.15 3.76