Steel platform so the detailer must tell the computer which type of platform to use.
Typical steel stair stringer size.
Typical stair connections bp vb stair to intermediate platform conn.
Which is a beam 5 inches deep with a weight 9 lb ft.
Either b or c is required.
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.
General 3d layout the detailer specifies whether a pan or a grating tread will be used the number of risers required the stringer section size and the stringer offset or distance from top of steel of.
Channel stringers are used when the unit span requires a heavier section it is available in mc or c sizes.
Plate stringers are american stair s most cost effective standard design used on the majority of stairs we fabricate we do the detailing when you specify it.
We suggest 10 5 for 2x12 or 2 2x6 treads.
Stair must be welded to platform after install.
Stringers one on either side of the stairs.
Typical e70xxelect x q r2 0 2x pl 1 4 x3 mc12x10 6 stair to intermediate platform typical connection 1 4 closure pl.
The standard method for specifying the dimensions of a american standard steel channels is like c 5 x 9.
It is equal to the number of treads multiplied by the typical tread depth b.
1 cm 3 10 6 m 10 3 mm.
Vertical members which support a handrail.
The standard steel sections that are normally used for building stair stringers include steel c channel miscellaneous mc steel channel structural tube steel and steel plate except angle iron.
Total run g the total run is the horizontal length of a stair stringer.
Risers the step height f is the typical height of each step.
1 1 2 11 2 1 1 2.
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Treads may be cut to suit other widths.
This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement.
A vertical post which might provide.
Modern steel construction october 1999 sketch 5.
Enter total stair rise inches.
Steel stair stringer channels.
Though the treads may be supported many other ways.
1 in 4 4 16x10 5 mm 4 41 6 cm 4.
1 cm 4 10 8 m 10 4 mm.
Bolts are for alignment purposes only.
Box stringers are a popular choice when a more streamlined or architectural appearance is needed.
Check up to five results to perform an action.
11 7 3 1 0 1 8 stringer to platform typ.
The stair plan below shows the normal stair stringer locations and size as c12x20 7 which is a c channel that is 12 inches deep that weighs 20 7.