Indoor staircase railings support column (fixed on the stepping) specification requirements how much distance?
Stair handrail (Stair handrail) is the staircase guard bar. Staircase handrails by material to classify: staircase polymer armrests, stairs iron handrails, stairs stainless steel handrails, staircase glass handrails, stairs solid wood handrails. There are some special staircase handrails: staircase glowing handrails.
Staircase railings spacing is 110mm. "Building design code GB 50096-1999" 4.1.3 staircase stepping width should not be less than 0.26m; step height should not be greater than 0.175m; handrail height should not be less than 0.90m; staircase horizontal section railings greater than 0.50m, the armrest height Should not be less than 1.05m; stair rails vertical bar between the clearance should not be greater than 0.11m.
Support the pole is not specified, do not have every pole are fixed on the step.
Normally, only the vertical distance of the staircase is specified, in order to prevent the child or other fall. Support pole is not in this range.
According to "residential building design specifications GB 50096-1999"
4.1.3 staircase step width should not be less than 0.26m, step height should not be greater than 0.175m. Handrail height should not be less than 0.90m. Staircase horizontal section railings greater than 0.50m, the armrest height should not be less than 1.05m. Stair rails between the vertical bar clearance should not be greater than 0.11m.
Here the 0.11m is the staircase railings column spacing.
