Type: Staircase Assembly – Steel or Reinforced Concrete
Usage: Interior/Exterior (specify as required)
Scale: 1:20 or 1:25 for detailing
Plan view (typical):
[Wall] | [Stringer L] | Treads (span) | [Stringer R] | [Wall]
Section A-A (through stringer):
Top landing slab
┌─────────────┐
│ │
Stringer│ ┌──────┐ │
C-channel│ │Tread │ │
│ └──────┘ │
│ ┌──────┐ │
│ │Riser │ │
│ └──────┘ │
└─────────────┘
Bottom floor slab
Connection detail (steel):
For concrete stringers: use 25–30 MPa concrete, design as inclined beam with main tension reinforcement along bottom, stirrups for shear. double stringer staircase detail dwg