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