RC Staircase Calculator
SANS 10100-1 cl.4.9 or Eurocode 2: the stair inputs on top, the flight drawn, every check with its clause, and a bending schedule the fixer can use.
SANS 10100-1 cl.4.9 staircases, cl.4.3 bending, shear and span/depth, cl.4.11 detailing · EN 1992-1-1 6.1, 6.2.2, 7.4.2, 9.3
See a worked example →
Stair
Flight
mm
mm
mm
Ends
Loads
kN/m²
kN/m²
Materials
MPa
MPa
Bars
Durability
mm
Height and regulations
mm
mm
mm
Loading
kN/m
kN/m
Bottom end
mm
mm
mm
mm
mm
mm
MPa
MPa
kN
mm
Top end
mm
mm
mm
mm
mm
mm
MPa
MPa
kN
mm
Stair section along the flight
bottom barstop barsstartersdistribution barssupport
Reinforcement detail
Design checks
| Check | Clause | Demand / capacity | Utilisation | Result | |
|---|---|---|---|---|---|
| Checking on the STATIX server… | |||||
Check details as text
—
—
enter the stair
Design result
| Pitch / effective span | — |
| Flight load gk / qk (on plan) | — |
| Moment M / resistance Mu (flight) | — |
| Shear v / vc (worst) | — |
| Span / d: actual / allowed | — |
| ULS reaction per end (whole width) | — |
Bending schedule
Built on the STATIX server.
Bending schedule (SANS 282)
Loading… Sign in (free) to get the bending schedule: 3 designs a month.
Step-by-step calculation
Loading the calc sheet from the STATIX server… Sign in (free) for every check, the calc sheet and the bending schedule: 3 designs a month.
One flight here, the whole building in STATIX
In the STATIX 3D suite the stair reactions go into the frame that carries them. The suite is in development; this calculator is free today.