Curved wooden staircase

Curved wooden staircase is made of wooden treads and stainless steel material, it combine straight shape and spiral shape together to come out a curved shape staircase.

Curved staircase step size more appropriate:
1, the slope of the staircase step is generally about 30 most comfortable. The average slope of the outdoor staircase is relatively flat.
2, the tread width of the stairs should not be less than 24cm, generally 28cm comfortable. Vertical plate height should not be higher than 20cm, generally 18cm comfortable. And each pedal width and vertical plate height should be the same, otherwise easy to make people fall.
3, the staircase step is generally 90cm, that is, space-saving and people walking comfort.
4, the height of the staircase handrails (measured from the front edge of the line) should not be less than 0.90m; outdoor staircase handrail height should not be less than 1.05m.
5. When the width of the stairwell is more than 0.20m, the vertical clearance of the handrail should not exceed 0.11m to prevent the child from falling.
6, the clear width of the staircase platform should not be less than the width of the ladder, at the same time not less than 1.10m.
7, the width of the ladder in the design of residential design has a clear rule, in other buildings, fire evacuation requirements must be met. The width of the expressive stairways in public buildings is generally large, but attention should be given to the relationship between the armrests and the width of the steps.
8, the thickness of the connection. General depth 1.5 ~ 2cm thick.