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patwa

Calculation a stairs wid a 90° turn


drawing scale 1:

Please indicate dimensions inna millimeters

Opening height Y
Opening length X
Stair width E
Total numba a steps C
Lower levels P
Step thickness Z
Step edge projection F










Calculation a stairs wid a turn a 90°


Please indicate di dimensions weh yuh need inna millimeters Calculation a di dimensions a turning stairs

X - di length a di opening weh di staircase ago occupy
Y - height fram di floor level a di fos floor tu di floor level a di secan floor
E - Stair width
F - Overhang a steps
Z - Step thickness

{} Calculation a di dimensions a turning stairs C - nomba a all stages
P - Number a steps + playground

Di calculation a turning stairs is somewhat more complicated dan di calculation a straight stairs.
Calculation a stair comfort is calculated using a formula based pan step length.
A person's stride length range fram 60 to 66 cm, wid an average a 63 cm.
A comfortable staircase correspond to di formula: 2 step heights + step depth = 63±3 cm.

Di most convenient inclination a di stairs is fram 30° to 40°.
Di depth a di steps a di stairs haffi correspond to shoe size 45 - no less dan 28-30 cm.
Di lack a depth can be compensated by di protrusion a di step.
Di height a di step shuda be up to 20-25 cm.

Yuh can also achieve di convenience a one turning staircase by changing di height a di platform.

Di program ago draw drawings a one turning staircase wid di main angles an dimensions.
Di drawing dem show di general dimensions a di stairs, di markings a di top a di steps pan di strings, di corners a di steps an di main dimensions a di steps demself.

zhitov Author of the project: Dmitry Zhitov
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