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38/900 Trapezoidal Sheet

 

Type : Roof and Facade
Net Covering Width : 900 mm
Rib Height : 0.50 - 1.20 mm
Maximum Length : 16 m

Having ideal strength for mid-span purlins, 38/900 enables heavy foot traffic on the roof.

Thickness Span (meters)
(mm) 1.00 1.5 1.75 2.00 2.50
0.50 818 364 267 205 131
0.60 979 435 320 245 157
0.70 1138 506 372 285 182
0.80 1297 577 424 324 208
0.90 1455 647 475 364 233
1.00 1612 716 526 403 258
1.20 1923 855 628 481 308
table above is prepared according to allowable stress design method
yield strength of steel is taken as 220 N / nm2
table showa uniformly distrubuted load, kg/m2
moment distribution due to yielding is considered
multi-span moment: Pd*L2/11
deflection limit: L/200