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The span of metal deck is a very important statistic, both for structural designers when they are working on a metal deck designer and for site designers when they are installing metal decking for concrete, and it is different for different sizes of metal deck produced by each steel deck manufacturer.
The deepth of metal deck
One indicator of how far metal deck can span is its depth. Typically, a deeper type of steel deck, such as SD 76-915 or SD 66-720 composite deck, will be able to span further than shorter depth composite deck, like SD 38-914 or SD 51-750 composite deck.Because the moment of inertia of a high depth metal deck is relatively large, it provides greater resistance to distance。
The thickness of metal floor deck
Metal floor deck gauge is the measure of the thickness of each metal decking for concrete. metal floor deck with a thicker gauge will be able to span farther than metal steel deck with a smaller gauge.Similarly, the moment of inertia of a thicker metal floor deck is relatively large, it provides greater resistance to distance.
Steel strength for corrugated decking
When it comes to steel grade, corrugated decking with a higher grade will typically be able to span farther than corrugated decking with a lower grade.such as S340, will be able to span further than the lower,like S280.In structural calculations, high-strength corrugated decking spans more.
Thickness of composite metal deck slab
The span that a metal deck span can provide is highly dependent on the thickness of the composite metal deck slab. The greater the thickness of the composite metal deck slab, the greater the static load, the smaller the corresponding span, and conversely, the greater the span. In the structural design, the designer has to consider it.
Therefore, when calculating the span of the metal deck, in relation to the above factors, it is more important to contact the steel deck manufacturer.
