There are typically two stringers one on either side of the stairs.
Steel stringer beam staircase details.
It combines the steel i beam with a simple steel plate riser wedges and tread plates with the wood steps.
Stringer to steel platform or embedded steel at floor level landings.
Center square beam 100 200 6 100 150 5mm.
This i beam single stringer stair is a simple and semi industrial looking staircase.
They must be field welded with 1 8 welds similar to detail welds below.
Stringer can vary in section 1 8 1 12 1 1 2 1 8.
Though the treads may be supported many other ways.
Stringer or string the structural member that supports the treads.
Alternately both stringers can be supported with the same supporting beam.
Each stringer can be independently supported.
If attached to a dog leg the stringer will be welded.
The sup porting beams are usually.
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The stringers are notched so that the risers and treads fit into them.
A rail fixed parallel above the pitch line at the sides of a stair.