Layman's Lens

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Stair clarification

with 2 comments

Normally, this isn't seen as a problem since most people won't fall...but just misstep a little if anything. However, someone with compromised balance will fall and likely be seriously injured eventually.

I’m told not everyone understood the top of flight defect issue. Perhaps a sketch will help. The problem is the missing nosing on the top stair. This causes a person coming down the stairs to expect the 3rd stair to be just as long as the 2nd stair. But since a>b due to the nosing, people often overstep the 3rd stair.


Written by Tilak Dutta

May 12, 2010 at 2:05 pm

Posted in Stairs

2 Responses

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  1. […] in the first step appearing larger than the second step resulting in an overstep on the second step. This post explains the problem more […]

    StairLab « Layman's Lens

    November 15, 2011 at 11:25 pm

  2. much clearer, thanks.


    May 13, 2010 at 3:19 am

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