Type B grid panel selection table
Board length(mm)：2680
Board width(mm)：2680
Plate thickness(mm):157
Main frame:C150*35*20*2.0
Main rib：Double C 90*35*5*2.0
Frame border:C150*35*20*2.0
Standard value of the plate self-weight(kN/㎡):0.53
Allowance for uniformly distributed additional load standard value(Qk):1.3
Allow for the design value of additional uniformly distributed loads(k):1.69
