Calculation of stairs with winder steps turning 180 degrees — Construction calculators online

Calculation of stairs with winder steps turning 180 degrees

Specify sizes
Map
DU
cm
CL
color
Variant steps
LF
RG
Opening
Y
X
Z
Stage
QT
7
QM
0
QB
5
SW
SF
SP
open Strings (forward March)
T
WI
open Strings (rotary marsh)
IT
IW
Beam stiffness
JT
JW
Podstupenki
H
HT
Reference Stobie
SB
Slab
ST
Handrails
RH
BA
RT
RW
Wall
ST
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Calculation results

Ladder
  • Angle: 29.1 °
  • Height of steps: 16.7 mm
  • Depth steps: 30 mm
  • number of steps: 17 pcs.
  • Width: 100 mm
  • Min. W. the stringer: 15.4 mm
Lower stringer of winder treads
  • fractureNorm: 24 mm
Upper stringer of winder treads
  • fractureNorm: 24 mm

Materials of construction

Bottom stringer
  • Width: 30 mm
  • Length: 169.7 mm
  • Thick: 6 mm
  • Number: 2 pcs.
  • Объем: 0.061 m3
Stringer lower rotary stages (bottom)
  • Width: 40 mm
  • Length: 112.2 mm
  • Thick: 6 mm
  • number: 1 pcs.
  • Объем: 0.027 m3
Intermediate stringer
  • Width: 40 mm
  • Length: 216.3 mm
  • Tolsia: 6 mm
  • number: 1 pcs.
  • Объем: 0.054 m3
Stringer upper rotary stages (top)
  • Width: 40 mm
  • Length: 111 mm
  • Thick: 6 mm
  • number: 1 pcs.
  • Объем: 0.027 m3
Top stringer
  • Width: 30 mm
  • Length: 214.5 mm
  • Thick: 6 mm
  • Number: 2 pcs.
  • Объем: 0.077 m3
lower rotatable stage
  • Width: 65.2 mm
  • Length: 100 mm
  • Thick: 4 mm
  • Number: 2 pcs.
  • Объем: 0.052 m3
Medium rotary stage
  • Width: 100 mm
  • Length: 100 mm
  • Thick: 4 mm
  • Number: 2 pcs.
  • Объем: 0.08 m3
rotary Top tier
  • Width: 100 mm
  • Length: 66.4 mm
  • Thick: 4 mm
  • Number: 2 pcs.
  • Объем: 0.053 m3
Step
  • Width: 37.5 mm
  • Length: 100 mm
  • Thick: 4 mm
  • Number: 11 pcs.
  • Объем: 0.165 m3
direct Podstupenki Marshev
  • Width: 12.7 mm
  • Length: 100 mm
  • Thick: 2.5 mm
  • Number: 10 pcs.
  • Объем: 0.032 m3
Podstupenka lower winder treads
  • Width: 12.7 mm
  • Length: 100 mm
  • Thick: 2.5 mm
  • Number: 2 pcs.
  • Объем: 0.006 m3
Podstupenka average winder treads
  • Width: 12.7 mm
  • Length: 115.5 mm
  • Thick: 2.5 mm
  • Number: 2 pcs.
  • Объем: 0.007 m3
Podstupenka top winder treads
  • Width: 12.7 mm
  • Length: 115.5 mm
  • Thick: 2.5 mm
  • Number: 2 pcs.
  • Объем: 0.007 m3
Handrails
  • Width: 8 mm
  • Thick: 4 mm
  • Length: 401.8 mm
  • Объем: 0.013 m3
Balusters
  • Side section: 5 mm
  • Length: 86.8 mm
  • number: 11 pcs.
  • Объем: 0.024 m3
baluster in the corner of the lower turn of the stair
  • Side section: 8 mm
  • Length: 156.7 mm
  • number: 1 pcs.
  • Объем: 0.01 m3
baluster in the corner of the top turn of stairs
  • Side section: 8 mm
  • Length: 106.7 mm
  • number: 1 pcs.
  • Объем: 0.007 m3
Supporting columns
  • Side section: 10 mm
  • Length: 859.3 mm
  • Объем: 0.086 m3
Beam stiffness
  • cut Width: 15 mm
  • Width of the 1st beam: 15 mm
  • Width 2nd beam: 15 mm
  • Width 3 beams: 15 mm
  • Width 4 beams: 15 mm
  • Length: 100 mm
  • Thick: 5 mm
  • number: 4 pcs.
  • Объем: 0.03 m3

Specified dimensions

Map
  • Units: 1 mm
  • Color drawing: 1 mm
Opening
  • Height: 300 mm
  • Length: 280 mm
  • Width of stairs: 100 mm
Stage
  • number top: 5 pcs.
  • no intermediate: 0 mm
  • number bottom: 5 pcs.
  • Thick: 4 mm
  • Ledge: 5 mm
open Strings (forward March)
  • Thick: 6 mm
  • Width: 30 mm
open Strings (rotary marsh)
  • Thick: 6 mm
  • Width: 40 mm
Beam stiffness
  • Thick: 5 mm
  • Width: 15 mm
Podstupenki
  • Thick: 2.5 mm
Reference Stobie
  • Side section: 10 mm
Slab
  • Thick: 20 mm
Handrails
  • Height: 90 mm
  • Side cross-section balusters: 5 mm
  • thickness of the handrail: 4 mm
  • Width of rail: 8 mm
Wall
  • Thick: 20 mm
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