Stairs to terraced house currently has an important position because it brings prestige to the inhabitants of the building (using a variety of designs as needed).
But now when you make a building with stairs was not a luxury item anymore. This is not because of limited land the development will be up and definitely require stairs.
Households must meet the requirements include:
1. Mounted on an easily accessible area
2. Gets adequate lighting, especially during the day
3. Forms / dimension of the ladder according to the size of a normal step.
4. A simple and proper to use
Corner stairs easily and efficiently undertaken should have a maximum slope of ± 40 º. If you have more than 45 º slope at the time passed it would be dangerous, especially in the down direction. In order to comfortably pass the stairs, optrade size (erect) and aantrede (horizontal) should be comparable.
Calculating the dimensions of the stairs:
1 Aantrade Optrade + 2 = 57 to 60 cm
Consideration
Step length of adults with normal height is average 57-60 cm. According to research at the time of lifting the foot in the vertical direction is required for certain high-power 2-fold when stepping in the horizontal direction.
For example a high-rise buildings with floor 3.50 m
Rung up (optrade) estimated 18 cm.
So the number optrade = 350: 18 = 18, 4 pieces of fruit so that the rounded = 19
optradenya becomes = 350: 19 = 18.4 cm.
This size should be researched properly until the size in millimeters.
According to the formula steps:
1 + 2 aantrade optrade = 57-60 cm
Aantrade width (57 s / d 60) - 2 x 18.4 = 20, 2 s / d 23.2 cm
(Size can be rounded up to between 20 and 23 cm to facilitate the work)
Ladder standard widths:
* Passed a width of ± 80 cm
* 2 people traversed the width of ± 120 cm
* 3 people traversed the width of ± 160 cm
Read more: Determining the size of the Stairs and Steps to multistory buildings ~ Home Design Ideas
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