This plate is usually used as the floor of high buildings, it can save steel mound and can also save the weight, in the same loading capacity, use this corrugated galvanised steel plate, and save the steel quantity, and thus save cost.
Steel bar truss girder is composite of corrugated galvanized sheet and steel bar truss which replace wooden template to bear all the construction loads in the construction phase and participate in bearing structure load in the service stage.