First, determine how you choose the stairs from the critical dimensions of the stairs in your home
include:
1, opening size - you choose the size of the stairs, pedal length and width and the shape of the stairs (straight, L-type, C-type, U-shaped, S-type or rotating stairs, etc.;
2, floor height - you choose the step of the stairs vertical spacing and the size of the center of the report, a direct impact on your comfort when walking up and down the stairs.
Standard height and calculation formula of interior stairs: (finished stairs)
Floor height (cm, 231-253252-276273-299294-322315-345
Stepping number 11+112+113+114+115+1
Note: If the floor of the stairs is too large, it is necessary to adopt the tooth-to-splitter technique (commonly known as dark teeth, and there are also a few manufacturers who use blister-type teeth, to prevent wood from being deformed due to environmental effects such as humidity and temperature on the surface of the wood. .
In addition, the special-shaped floor requires strict wood texture, and must be paid attention to when purchasing.
Second, from the perspective of installation and design of stairs, tell you how to choose to design your own home
1, the slope of the stairs
The determination of the slope of the stairs should take into account the factors of walking comfort, climbing efficiency and spatial status.
The line at each step of the bench at each step is called the slope line. The angle between the slope line and the horizontal plane is the gradient of the stairs (the tangent of this angle is called the gradient of the stairs.) The slope of the indoor stairs is generally 20 degrees to 45 degrees, and the best slope is about 30 degrees. Functional stairs require different slopes, for example, the slope of the ladder is more than 60 degrees, the special stairs are generally 45 degrees-60 degrees, the indoor and outdoor steps are 14 degrees-27 degrees, and the gradient of the slope is usually less than 15 degrees. Generally speaking, in places with large crowds, high safety standards, or ample areas, the slopes of the stairs should be gentle. For an auxiliary staircase that is only used by a few people or is not used frequently, the slope can be steeper, but it is better not to exceed it. 38 degrees.
2, step size
The size of the step should generally be commensurate with the size of the person's foot, but also related to the use of features in different types of buildings. Step size includes height and width. The ratio of step height to width is the gradient of the stairs. Stepping under the same slope can have different values ​​and give a proper range to make people feel comfortable when walking. Practice has shown that walking in a comfortable step is generally smaller in height and wider in width. Therefore, when choosing the aspect ratio, it is better to use the smaller height for the two dimensions of the same slope, because it is more labor-saving to walk than when the height and width are large. However, it should be noted that the width should not be too small and should not be less than 240mm. This will ensure that the focus of the foot falls on the center of the foot and that 90% of the heel strike force is on the way. For adults, the minimum width of stairs should be 240mm, and the comfortable width should be about 280-300mm.
National Standard: The step height of public stairs is 160-170mm. Common cement base stairs in homes are based on this standard, and the more comfortable height is about 160mm.
According to the current domestic market for the sale of finished stairs, the height is generally 170-210MM, about 180MM is the most economical choice;
The steps and heights of the steps of the same staircase should be the same, and the size should not change irregularly to ensure a constant relationship between gradient and stride.
3, ladder width
The width of the bench is generally determined by the flow of people, so as to ensure smooth traffic. Single-pass ladder width should generally be 800-900mm, general finished stairs should be designed according to this width; but stairs for public places, such as: double-pass ladder width should generally be 1.1m - 1.40m; The width of the three-passage ladder should generally be 1650-2100. If more people are traversing, increase by 550+ per person flow (0-150, mm width).
When the width of the bench is greater than 1400mm, the handrails should be set against the wall. When the flow of stairs exceeds 4-5 persons, the middle handrails should be added.
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