The width of the staircase is clearly defined in the code for residential design, and 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. That is, the stairs should be provided with armrests on at least one side of the staircase. When the stairway has a net width of up to three shares, an armrest shall be provided when two sides are provided with handrails and the flow of the four shares shall be added. First, the step widths of indoor and outdoor steps should not be less than 0.30m, , Usually using 0.35m and 0.125m these two parameters.
u-shaped staircase how to do we all learned it, a good u-shaped staircase is a good addition to the family's sense of design and appearance, we must be in accordance with national design standards staircase design to meet the technical requirements and the use of fire evacuation Claim. During the decoration of the stairs, we must take into account the interior decoration style, to avoid the more unexpected stairs.