Brand shop: Â stairs
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 - 45 degrees, the best slope is about 30 degrees. Stairs for special functions require different slopes. For example, the slope of the ladder is above 60 degrees, the special stairs are generally taken from 45 degrees to 60 degrees, the slopes of the indoor and outdoor steps are from 14 degrees to 27 degrees, and the gradient of the slope is usually below 15 degrees. Generally speaking, in places with large crowds, high safety standards, or ample areas, the slope should be gentle. For an auxiliary staircase that is only used by a few people or is not frequently used, the slope can be steeper, but it is better not to exceed 38. degree.
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 less height than the 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, preferably not less than 240mm. This will ensure that the focus of the foot will fall close to the center of the foot and 90% of the heel strike force will be on the way. For adults, the minimum width of stairs should be 240mm, and the comfortable width should be about 300mm. The step height should not be more than 170mm, and the comfortable height is about 150mm.
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.
Space effect diagram furniture brand stair space
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