Supporting beam the supporting beam supports the stringer or the dog leg if it exists.
Steel stringer beam staircase details.
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Depending upon the span larger i beams can be used to increase strength.
Center square beam 100 200 6 100 150 5mm.
Stringer can vary in section 1 8 1 12 1 1 2 1 8.
Each stringer can be independently supported.
If attached to a dog leg the stringer will be welded.
A rail fixed parallel above the pitch line at the sides of a stair.
Beam the stringer can be bolted or welded.
Alternately both stringers can be supported with the same supporting beam.
Stringer or string the structural member that supports the treads.
The sup porting beams are usually.
It combines the steel i beam with a simple steel plate riser wedges and tread plates with the wood steps.
They must be field welded with 1 8 welds similar to detail welds below.
This i beam single stringer stair is a simple and semi industrial looking staircase.
Stringer to steel platform or embedded steel at floor level landings.