options podstupenok, if you decide to use them.the length, width and height of the steps,.the parameters of the stringers for the two ramps of stairs individually.What you will receive after calculation of L-shaped stairsĬalculator stairs rotated 90 degrees to calculate the data: The minimum height of the stairs in the passage - from any step to the next obstacle vertically, such as the floor of upper floor shall not be less than two meters.For security purposes, the height of handrails should be done above 90 cm.On average, 10 to 12, but of course it depends on the length of the March. The number of stages for a single flight of stairs - no more than 18 pieces.Minimal overhang - the projection of the stage on risers 30 mm, the maximum for wooden stairs - 40 mm.Treads and risers are made of wooden boards, for the riser thickness of about 3 cm, and for steps to 4 see.A convenient angle of the wooden staircase between 29 - 35 degrees. According to practice, the ideal step height is in the range of 15 - 17 cm Optimal width of a step 27 - 30 cm Maximum height of stairs may not exceed 200 mm. For the optimal size of the width of the span of a single March in a private home taking 90 - 110 cm In a confined space in a private house staircase can be done, but not less than 80 cm. In construction practice, formed a common the most commonly used settings for a comfortable, durable and safe ladders.įor example, the calculations often use the formula "ideal safe ladder", derived centuries ago by the architect Francois Blondel: 2 step height + width steps = 63 cm (standard length 60 - 63cm). To calculate the wooden stairs removed the whole "formula facilities". To design a staircase only need according to these rules, which include various building codes and Standards, in order to avoid collapse of structures, or increased her injury. Optimal dimensions for safe and convenient stairsįor the construction of stairs, there are certain building codes and regulations governing the methods of calculation of loads and strength, the dimension, the quality of materials and so on. If you don't know all the source data required to calculate the turning the stairs at 90, below we present the optimal dimensions in the construction of wooden stairs in private homes. You must also enter the expected length, the width of the stairs, parameters, steps, stringer and risers, if you require them in the design of your stairs. Data for calculation of quarter turn stairs (90 degrees) and landingįirst, you need to measure the height of the opening for stringer staircase - the distance between the bottom finish floor and upper finished floor. When you observing the staircase from above, it forms L-shaped structure. The difference between the straight flight stairs and 90 degrees turn lies in the fact that L-shaped stair has two flights located at 90 degrees angle and one landing connecting them.
Please make sure your stair design complies with all local building codes and regulations requirements! It is very crucial step.
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