How to calculate stairs to the second floor calculator. How to calculate the stairs to the second floor: optimal parameters. Calculation of steps of a marching staircase


Calculation of stairs using an online calculator

Do you need a staircase to the second or third floor, to a house or apartment, and would you like to consider various design options? It is easy to calculate a comfortable staircase using our online calculator. The calculator will help you to pre-determine the type of stairs and get the initial data for the future project. It is quite easy to work with him. It is necessary to fill in the fields presented and the program will prepare a drawing, as well as evaluate the degree of convenience of the stairs with the specified parameters.

To calculate the stairs you will need the following data:

  • Whether it will be an open staircase (metal carriers or bowstrings remain visible), a closed version (for example, full wooden sheathing of steps and stringers), monocosour (a staircase on one central carrier, to which steps are attached). If space for stairs is limited, then a spiral staircase may be the solution.
  • Will it be a staircase with a turn of 90 (L shaped) or 180 degrees (P shaped), or a straight march
  • What is the lifting height
  • What is the length of the opening in the upper floor

You can see the stairs with different turning elements (platform or winders). The program will create a 3d model of the stairs, and will also generate useful tips to improve the comfort of the stairs. By increasing and decreasing the number of steps in each flight, you can find the optimal ratio of data.

In the prepared project, you will see all the details: the length of the string, the number of steps in each flight, the angle of inclination and turn of the stairs, the location and number of turning elements, the length of the tread and the height of the steps. The data obtained will allow you to accurately formulate your requirements when ordering a ladder and receive information from our manager about the cost of manufacturing a construct.

The issue of creating your dream home should be approached extremely seriously, calculating your strengths and capabilities.

The staircase is a special interior element in home decoration, giving it a unique style with a practical and creative focus. Therefore, it must be reliable, functional and at the same time beautiful, so that you can go up and down the second floor with pleasure and without problems. Before you start doing its installation, you need to choose the material, design, and, of course, make a calculation.

Types of stair structures

There is a fairly large variety of types of structures:

  • screw;
  • combined structures;
  • marching;
  • on beams;
  • on the pain and others.

Much depends on the space that was originally chosen for the stairs.

Spiral staircase design

Used for small spaces. It looks spectacular, elegant, graceful and even mysterious. Suitable for any interior. This design consists of a support rod and steps that spiral up around it.

Combined staircase design

Most often it combines parts of marching and spiral staircase structures, rising up and bending at different angles. The choice depends on the design considerations of the owners of the house. Such stairs to the second floor are usually the most beautiful.

Marching staircase design

It is the most ergonomic and popular, consisting of one or more straight parts with steps (one-flight and two-flight). Each part should contain up to 15-16 comfortable steps.

A single-flight (straight) staircase is suitable for small houses, for example, country houses. Dvuhmarshevaya - for a hallway or a square-shaped room. It is U- and L-shaped, depending on the plan of the building.

What material are stairs made of?

For the construction of internal stairs, materials such as:

  • wood;
  • stone;
  • metal;
  • glass;
  • ceramics.

Any material is good in its own way, has both advantages and disadvantages.

wooden stairs

The most popular and demanded material is wood: oak, pine, ash, beech. The staircase to the second floor, made of several types of wood, looks gorgeous.

Advantages:

  1. easy processing;
  2. spectacular appearance;
  3. creating an atmosphere of comfort and warmth;
  4. suitable for any interior;
  5. high strength and durability;
  6. increased resistance to external influences;
  7. best budget choice.

Flaws:

  • the need to update the coating and creaking steps.

stone stairs

The structure itself is made of concrete, and only then is lined with artificial or natural stone.

Advantages:

  1. very high wear resistance;
  2. fire resistance;
  3. withstand heavy loads.

Flaws:

  1. the difficulty of the manufacturing process, assembly, installation;
  2. considerable weight;
  3. capturing a large area.

metal staircase

It is a modern solution. It is in second place in terms of demand and popularity after wood. Metal goes very well with other materials such as glass, stone, wood.

Advantages:

  1. durability, strength, reliability;
  2. universality;
  3. original design;
  4. relatively low cost;
  5. short production time.

Flaws:

  • periodic painting requires a lot of effort and time.

When choosing the location of the stairs, you need to focus on its relevance, purpose and convenience.

How to calculate the stairs to the second floor?

In order to correctly calculate the stairs to the second floor, you need to determine:

  • height, width, protrusion of steps;
  • fence sizes;
  • site dimensions (intermarsh);
  • tilt angle.

Step calculation

The convenience of lifting and descending from floor to floor depends on correctly calculated parameters. For this, there is a calculation formula: two step heights + depth = 63 (± 3) cm. The steps must be equal in height, without curvature and kinks. Their ideal height is 25 (± 5) cm, depth is 28–32 cm, i.e., the leg of an adult should completely fit. The width fluctuates around 100–140 cm. With the help of protrusions, depth imperfections can be removed.

Calculation of fences

The optimal height of the fences is 91 cm (for a screw structure - 110 cm). The distance between the bars should not exceed 12 cm to avoid accidents. The width of the rods (balusters) plays a huge role in maintaining the strength and rigidity of the entire staircase structure.

Calculation of the mid-march area

The length of the platform should be equal to two steps of an adult, i.e. approximately 140 cm. Width (without fences) - from 80 to 140 cm, depending on the allotted space. It is important to know that the width of the landing should be equal to the width of the flight of stairs.

Calculation of the angle of inclination

A very important parameter for convenience and safety. The optimal decision would be to make an angle of inclination of 28-37 degrees. The larger the angle of inclination of the structure, the less space it occupies and vice versa, but comfort is lost.

It is necessary to reasonably approach the calculation, take into account all the locations of doors, arches, windows and free space.

Calculation of stairs online

Using the online calculator program, you can independently calculate the stairs. To do this, you need to enter all the parameters calculated earlier in the fields provided, and the program will quickly calculate itself. You can adjust the entered dimensions and eventually find the most convenient option.

Today, the construction of a private residential building or a country mansion rarely does without two or more floors, and this layout option involves the indispensable construction of a staircase for transitions from one level to another. But before getting down to business, it is necessary to carry out the correct calculation of the stairs to the second floor. In this case, you can not do without the initial professional knowledge, the ability to handle measuring tools and the skills of drawing, multiplication and addition.

Calculation of stair structures

The main secret in the difficult process of arranging the transition from floor to floor is not so much to build as to know how to calculate the stairs. To make a correct calculation, it is not enough to be guided by the idea of ​​​​how the structure will look like, and where the owner of the building would like to see it.

Here's what to do beforehand:

  • determine the location of the flight of stairs and prepare an opening in the ceiling at the construction stage;
  • decide whether the staircase will be wooden or another material will be preferred;
  • decide whether the structure will consist of one march or the height of the ceiling and the space of the room allow you to make it two-march;
  • estimate the approximate height of the step (for reasons of how convenient it will be for all households to climb);
  • decide how many steps should be on the second and third floors;
  • make careful measurements and draw up a drawing of the future structure, taking into account the characteristics of the room and the type of stairs;
  • calculate the steps of the stairs, taking into account its variety, ceiling height, number of marches.

In order to correctly calculate the future structure and make it durable and safe, it is necessary to correctly make the measurements indicated in the figure as the main ones. Below in the diagram you see the parameters necessary to make a drawing of any interfloor staircase.

The calculation of the stairs involves not only a correctly determined number of steps, which depends on the height of these elements, taking into account the decorative coating (if it is present and reaches several centimeters). It is important to determine the depth of the tread of each step.

The correct approach to taking measurements, reliable data and a clearly drawn up scheme will allow:

  • design a staircase of any kind and considerable complexity;
  • master the standard and individual version designed for a particular room;
  • ensure the reliability of the interfloor structure;
  • give it a beautiful and aesthetic appearance, make it an organic detail in the house.

Modern trends in the decorative design of premises use different types of wood, vary the width of the flights of stairs, making them widened at the bottom and narrowed at the top, and involve the construction of a two-flight or even a three-flight staircase.

There are many options for stairs - the choice of a specific model depends on the allocated installation site, free space and the preferences of the home owners.

Marching

Marching is the most common direct construction, which may consist of one or more spans. It is made from different materials, but most often it is made of wood. It is quite simple to design and build, but requires several indispensable components.

For the manufacture of any mid-flight stairs you need:

  • load-bearing beams (these can be both stringers and bowstrings);
  • supporting pillars (their number may vary, depending on the marches and the equipment of the platform);
  • simple or winder steps (the latter are often used in turning stairs);
  • additional lumber if there is an inter-march platform in the drawing;
  • balusters and handrails, if the structure will have railings.

An example of a marching staircase and its structural elements

The calculation of the mid-flight stairs for residential premises is made taking into account certain requirements:

  • The optimal width of the stairs is at least 0.8-1 m.
  • The distance from the flight of stairs to the ceiling is at least 2 m.
  • The angle of inclination of the stairs should be within 35-45 degrees.
  • The maximum number of steps in one march is 19 pcs.
  • The height of each step is 16-19 cm, the width of the tread is 22-33 cm.

You can calculate the exact parameters of the future staircase, knowing the dimensions of the room: the distance from the floor to the ceiling, including the thickness of the interfloor ceiling, the width of the opening, the area of ​​the room. You can use a simple calculator, but there is also an online calculator designed specifically for this purpose on the Internet.

One-march

Designing a single-flight staircase is quite simple if you decide on the type of load-bearing beams. The design can be built on bowstrings, stringers or bolts (metal fasteners used on the outside of a wooden staircase).

two-march

Projects of residential buildings can be variable and include the construction of a two-flight staircase with a platform or winder steps. The design of an L-shaped (angular) staircase provides for the fastening of winder steps and an indispensable corner post, which is used for support.

In the U-shaped system, a platform is often made as an intermediate link between the first and second marches - it is attached to the main wall. The platform can be increased or made smaller, the main thing is that the distance between the marches is a step (60-80 cm).

On the video: how to take measurements to calculate the U-shaped staircase.

Three-march

This option is calculated for cottages of a large area and can be part of the design of the room. The construction of wood is environmentally friendly and decorative, but may require additional means of fastening to make the structure reliable.

The technical parameters depend on the individual characteristics of the project, but the calculation formula, according to accurate measurements, even for a professional engineer requires a section and a design plan, exact figures for the slope of the marches, the height and width of the steps. The diagram below shows a drawing of a possible variant of a three-flight staircase.

screw

A feature of the screw design is the location of the steps around the support post. Its diameter is the main calculated value. First, the overall diameter of the structure is determined and a top view is drawn up. The drawing shows 2 circles (stairs and the trajectory of movement along it). Then you need to calculate the number of steps, their number must be an integer, and if it turns out to be fractional, it must be increased.

To determine the height of the steps, the diameter of the circle is divided by the number obtained as a result of the first count.


Graphic calculation of a spiral staircase

corner

With limited free space in private homes, a corner staircase is often installed - a design with a 90-degree turn. The main element of the turn can be both winder steps and a platform.

When calculating, it is necessary to rely on the following recommendations:

  • If there is a platform between marches, its length should be more than 140 cm, and the width should correspond to the width of the span.
  • If a staircase with winder steps is planned, then their width from the outer edge should be at least 40 cm, in the middle - at least 20 cm, and the width of the narrowest part - 14 cm.
  • To turn the stairs, a platform in the form of a square or three or four winder steps is required.

On the video: an example of the calculation of stairs with winder steps.

Calculation of the stairs "goose step"

This is a kind of compact staircase, in which the steps are symmetrically located relative to the line of travel. This design is installed in the case when it is necessary to save space in the house. As a rule, the angle of inclination at the stairs "goose step" is 45-65 degrees.

A distinctive characteristic of this type of construction is the treads, the wide part of which occupies only half the length of the steps.

Calculation of the stairs on the bowstring

The calculation of the stairs on the string is made taking into account some parameters, but does not differ from the main process:

  • the distance from the floor to the ceiling is determined;
  • the formula calculates the height of the steps;
  • the width of the steps is calculated;
  • based on the width of the opening in the interfloor overlap, the length of the bowstring is calculated;
  • the width of the bowstring cannot be less than 50 cm.

Step calculation

We calculate the height of the steps based on the convenience of family members and the characteristics of the existing project, and the number of steps will help determine the correctly applied formula. You can calculate the size of the steps using the results of your own measurements of the steps: a - height and b - width (2a+b=64).

Knowing the estimated height of the stairs from the floor, it is divided by the expected similar step parameter.


The formula for calculating the safe and comfortable step of the stairs

How to determine the angle of inclination?

The angle of inclination of the stairs is an equally important indicator, which determines the ease of movement, lifting / lowering a person and the possibility of transporting large pieces of furniture. To determine the angle, the height and width of the steps, the distance from the floor to the ceiling are taken into account.

Handrail and railing options

In a wooden staircase, the parameters of the railings and railings are determined by the step pitch and the individual design project. They can be increased for safety in the same way as the width of the riser. The most important parameters are considered to be the height of the baluster, the length and width of the railing.

According to regulatory documents, the railings of any staircase must have the following parameters:

  • height (including railings) 900-1000 mm;
  • the length of the railing is equivalent to the length of the flight of stairs;
  • the distance between the balusters is not more than 150 mm.

Detailed guide to calculating stairs (2 videos)

Different models of ladder systems (52 photos)

If you are going to make a wooden or metal staircase with your own hands, you need to pay a lot of attention to the calculations. Despite the apparent simplicity, the staircase is a very complex engineering structure, each node of which must be thought out, and all together they must create a single ensemble.

The design of a metal / wooden staircase should take into account its functional and decorative component. It will be more difficult to do this, the less experience you have of this kind of work. Since we do not do calculations every day, we need to describe in detail how to calculate the stairs to the second floor of a private house. The general principles for the construction of wooden and metal stairs do not differ. As the saying goes, "the devil is in the details." It is them that we will consider in detail.


It should be noted that the arrangement of stairs in multi-apartment or office buildings is regulated by many documents. The main ones are GOST 23120-78 Mid-flight stairs, platforms and steel railings and SNiP IV-14-84 Collection 1-14 Stairs.

However, in private houses, the height of which is often limited to two floors, the owner is free to choose the configuration. Although, of course, the basic rules for building stairs must be followed.

Rule 1 - Choosing the location of the stairs in the house

To make a straight staircase in accordance with the standards in a private house is hindered by the limited space. Therefore, many owners prefer complex structures: a mid-flight staircase with a turn or a spiral one. Professionals put forward several recommendations on where and how to place the stairs in the house so that it takes up little space.

  • it is better to place the stairs in the part of the house that is least used. The staircase in the living room creates certain inconveniences;
  • provide free access to the stairs;
  • landings are preferable to winder steps. Especially if independent construction is supposed;
  • consider simpler options first, and only then more complex ones;
  • keep in mind that you will need to not only walk up the stairs, but also bring in / take out furniture and appliances. It should be easy to use for all family members;
  • if the space (place) under the stairs in the house is planned to be used, it is better to choose a closed structure. And, conversely, an open staircase makes the space more spacious, so it is advisable to use it in rooms;
  • keep in mind that the installation of a metal staircase in a wooden house can be done after the house shrinks. That is, in 1-1.5 years. Otherwise, shrinkage of the house will lead to a violation of the integrity of the structure.
  • make sure that in the ceiling (ceiling) you can make an opening for the stairs under the exit to the attic, attic. For example, in a monolithic slab, the arrangement of a staircase creates significant difficulties.

How to reduce the size of the opening for the stairs to the second floor?

Useful tips from experienced craftsmen:

  • 20% is possible if a staircase with 180 degree winders is installed;
  • 30% will help the installation of stairs with two marches and a platform. Space savings are achieved due to the fact that the movement changes by 180 °;
  • by 60% by installing a ladder with steps "duck step";
  • 80% achieved by installing a spiral staircase. In this case, the movement changes by 360°.

Rule 2 - The shape and types of stairs

In a private house, it is possible not to follow the standards and GOSTs so strictly. However, the basic principles for arranging stairs must be observed, since neglecting them may lead to a decrease in the safety of this engineering structure.

Before proceeding with the calculations, you need to know that there are two important factors that will affect the result.

First, it is a design feature.

In terms of design, all stairs can be divided into three types:

  • marching. Consist of separate marches. They, in turn, are divided into single-march, two or more - multi-march. In addition, a marching staircase can be straight, with a landing or with turns (winder steps).

In private houses, a wooden and metal staircase with winders (with a turn of 90, 180, 360 degrees) is popular.

  • screw (spiral). In stairs of this type, the steps are twisted around the axis. They are convenient when there is no free space for a march structure in the room. But the construction of a spiral staircase is much more laborious and requires more careful calculation.
  • folding. They belong to portable structures, so we will skip them, since we will do the calculation for a stationary staircase.

Secondly, it is the shape of the frame.

The frame of the metal and wooden stairs can be made in three versions:

  • stairs on stringers. The basis of the frame is one or two solid beams, on which steps are laid on top.
  • ladder on string. The frame consists of two support beams that support the steps on the side.
  • ladder on rails(from German "pin"). The steps are fixed directly to the wall.

Rule 3 - Calculation of the parameters of the stairs

Many users do not know what to consider in order to calculate the stairs correctly. Professionals say that taking into account the three main parameters will make the design safe, beautiful and easy to use.

Stair parameters are shown in the figure

Ladder height

Height - the distance from the floor of the first floor to the floor (not the ceiling) of the second. Often the upper end of the staircase rests on the ceiling of the first floor. For ease of movement, a clearance is made above such a staircase.

The distance from the step to the ceiling can be calculated as follows: the height of the tallest member of the family is taken and 100 mm is added. The recommended clearance value (working height of the stairs) is 2 m. This value must be constant throughout the entire march.

Note. It is possible to place a ladder in living rooms only if the rooms on the first and second floors are heated. Otherwise, it should be placed in a non-residential area.

Ladder length (march length)

For a traditional marching structure, the length of the stairs is equal to the length of the march or the sum of the lengths of the flights plus the landing between them.

When calculating the length of a spiral staircase or stairs with winders, the average flight length is calculated. In this case, the measurement is performed at a distance of 50 cm from the railing (edge ​​of the span).

The width of the stairs in a private house

Width - the distance of the stairs from the wall or between two handrails. The recommended settings are shown in the diagram.

Ladder width:

  • 1.5 m - increased level of comfort;
  • 1-1.2 m - comfort zone;
  • 0.8-1 m - allowed only for a flight of stairs located along the wall;
  • less than 0.8 m. is only appropriate for auxiliary stairs.

The width of the flight stairs with winder steps:

Width of spiral staircase:

  • 1.4 m - comfort zone;
  • 1.1 m is the minimum allowable width.

This is due to the fact that the winder steps narrow towards the central element of the stairs.

Ladder angle (steepness)

The angle of inclination determines the ease of use of the stairs. A too steep staircase saves usable space, while a gentle one makes movement along it more comfortable.

The view of the stairs, depending on the steepness, is shown in Fig. Here you can clearly see at what angle the stairs should be in the living room.

The most comfortable option for movement is in the green zone of the picture.

The material was prepared for the site www.site

Note. At an angle of inclination over 45 °, you can only go down the stairs with your back forward.

As practice shows, most often combined options are used in the house. To understand at what angle to put the handrail on the stairs, you need to draw a parallel between the base of the stairs (kosour, bowstring) and lay a handrail along it. Mathematically, this is a simple calculation of the angle using the Pythagorean theorem.

Number of stairs

The number of steps is not regulated and depends on the height of the stairs and the height of the tread (riser). In two-flight stairs, it is recommended to make the same number of steps in both flights, but in practice the steps are distributed unequally between the flights.

Note. For multi-apartment residential buildings, the number of steps is regulated and is 9-11 steps.

Tread height (distance between stairs)

The most convenient for movement by users is the distance between adjacent steps of 150 mm.

Note. For those who make the stairs with their own hands, it is easy to remove the extra height by adjusting the height of the tread between the last and penultimate steps or between the first and second.

Stair step (step width)

On the step of the stairs you need to lean with a full foot. Therefore, the optimal width of a stair step should be at least 230 mm. (35 size). The minimum allowable width is 100 mm. But frequent walking on such steps is fraught with injuries.

Note. If you increase the width of the step over 650 mm (the average step length of an adult), then when walking on such a ladder, you can go astray and stumble.

You can increase the width of the step by removing the step. In this case, the step should not hang over the previous one by more than 50 mm.

Note. When calculating the width of the stairs, do not forget that the distance between the balusters should be in the range of 100-150 mm. Otherwise, such a fence will be unsafe. In turn, balusters are installed in such a way that the aesthetics of the fence are maintained - one per step, two per step, or otherwise.

Stair rung length

The length of the step is determined by the design of the stairs. If two bowstrings are used as the main structural element, the length of the step corresponds to the distance between them. If kosour (one or two), then the length of the step is determined by the customer.

Rule 4 - Accurate calculation of the dimensions of the stairs

Since all parameters are interconnected, in order to calculate them, it is enough to have basic knowledge of geometry. We will show how to calculate the stairs using an example.

Example 1. Calculation of the length of the stairs and the width of the opening

In this case, the calculation is simple and suitable for those who have a lot of free space in the room.

How to calculate the length of the stairs in the house

It is defined as follows. To the height of the room of 3000 mm, the width of the ceiling of 200 mm is added. The resulting value is 3200 mm. divide by 160 mm (recommended riser height) we get the number 20. I.e. the staircase will contain 20 steps.

Based on the fact that the recommended step width is 300 mm, the length of the stairs should be 6000 mm (20 steps of 300 mm each). Or, if the step is taken out by 50 mm, then the length of the stairs will be 5000 mm (20 steps by 250 mm (300 mm - 50 mm)).

How to calculate the width of the stair opening

It is defined as follows: 1900 (recommended clearance value) is subtracted from 3000 mm (room height). We get 1100 mm. We divide this value by 160 mm (step height) and get the number of steps over which the ceiling can be located. The result of the calculation is 6.875, i.e. 7 steps.

The remaining 13 of the 20 steps should be located in a zone free from overlap. Otherwise, walking under them will be uncomfortable. The width of the step is 300 mm, then the width of the opening will be 13x300 mm = 3900 mm.

Checking 1100 (floor width) + 3900 (opening width) = 6000 (stairs length)

However, not everyone has the opportunity to leave 6 or 5 meters under the stairs. In this case, it is worth playing with the width of the step or the height of the tread. And you can make a staircase with a turn or with steps "duck step". Such designs are more complex, which means that the calculation will also be more complicated.

An example of a drawing of a metal staircase on one stringer

Example 2. Calculation of the angle of inclination of the stairs and the parameters of the steps

These calculations are more complex and can be done in several ways. Among them, the following are known:

  • computer method;
  • Danish method;
  • line lifting method;
  • sweep method;

These methods are united by the need to have basic knowledge in the field of design. The diagram of the staircase in graphical interpretation, obtained using the methods described above, is shown in the figure.

  • proportion method.

It is suitable for a beginner in the field of design and makes it easy to calculate both a marching straight line and stairs with winder steps or a spiral one. After all, there is a feature here, namely, the steps narrow towards the center.

The calculation of a metal or wooden staircase with 90 and 180 degree winder steps is based on the uniform distribution of space in the turning section. The calculation is performed in this way:

  1. a sketch of the stairs is made in a horizontal projection;
  2. a line showing the average length of the march is indicated. For convenience, we will place it in the middle;
  3. a line showing the middle of the turn of the stairs is indicated. The place where the longest step will be located.
  4. we put on the middle line the value of the width of the steps. Thus, their number can be calculated. The calculation is carried out from the turning line.
  5. we determine the points where the last identical steps will end. There should be two such points - at the beginning and at the end of the stairs. In rare cases, stairs begin or end with winders;
  6. in the place where the step will have a minimum width (near one of the stringers, bowstring or screw pipe, set aside 50 mm from the turning line. In total, 50 + 50 will give us 100 mm. Which is the minimum allowable step width;
  7. we connect the marked points with the previously marked points that show the width of the step and extend them to the opposite side (the second stringer, bowstring or spiral staircase railing).
  8. set aside the rest of the steps. Approximate proportion is 1:2:3. One mm at the narrow end of the stairs, equals 2 mm at the midline and 3 mm at the wide end of the turn.

The data from the sketch is transferred to the stair blanks in accordance with the scale.

The scheme of the staircase with winder steps and a turn of 90 degrees is clearly shown in the figures.

A staircase with winder steps with a turn of 180 degrees is calculated in a similar way.

A diagram of a staircase with winder steps with a turn of 180 degrees is shown below.

This calculation method cannot be called ultra-precise, but you can get calculations sufficient for building stairs with your own hands. If you do not trust him, you can contact a specialist or use a computer program.

Calculation of the stairs on the rails

The process is similar to the calculation of a winder staircase. The only difference is the method of fastening. The option of fastening on a wall bowstring or without it is possible.

Calculation of a spiral staircase

The calculation of a spiral staircase is carried out similarly to the calculation of winder steps. But in this case, you need to accurately determine the configuration. In terms of design, they can be of four types.

Note. The spiral staircase is considered the most dangerous in terms of movement.

Drawings of spiral staircases

Duck step ladder calculation

This configuration is good because it takes up a minimum of space, however, such stairs are very troublesome to manufacture and operate. A duck step ladder is installed if the slope angle exceeds 45 degrees, and there is no desire to use a ladder. The peculiarity of this design is that only one leg rests on one step. However, despite this, the design of the frame of such a staircase is no different from the frame of the mid-flight. The difference is only in the shape of the steps.

Goose step staircase scheme

Note. According to the standard, the number of steps in a duck step ladder must be odd. Moreover, the first step is preferably done on the right. This is due to the fact that most users have the leading foot on the right. The maximum tread is also set on the right.

Computer programs for calculating stairs

The software method allows you to create a 3D project, visualize the project and get a drawing of the stairs with the exact indication of all parameters. The most popular programs are:

  • "Compass" (as practice shows, most craftsmen are familiar with this program);
  • SolidWorks - allows you to create the design of various engineering structures, not only stairs;
  • Consultec Staircon - makes it possible not only to create a staircase project, but to calculate an estimate for its construction. A full 3D model allows you to get a complete picture of the future design.

Rule 5 - Detailed drawing or sketch

The calculation by the computer method or the method of proportions already implies the presence of a drawing of the future staircase. However, even those who make a simple marching staircase should create a sketch with dimensions printed on it.

Note. On the sketch, you need to apply not only the parameters of the stairs, but also indicate the main parameters of the room. For example, the presence and dimensions of the window, the protruding part of the window sill, columns or other objects that may change the configuration or parameters of the stairs in the course of work.

Having prepared in this way, you can start building the stairs with your own hands.

When you can not do without a quality program for designing stairs in Russian. There are good options, but many of them are not Russified and are inconvenient to use. Depending on the technical complexity of the project, professional engineering software and simple utilities are used for calculations.

Program interface for designing stairs

There is a whole set of tools for modeling spans and 3D images of stair structures. To choose the necessary software, you need to understand the advantages and disadvantages of various software products.

Professional engineers, as programs for designing stairs in Russian, use universal products. The most commonly used in design companies are: ArchiCad, AutoCad and Lira.

In addition to modeling the overall design of the program, they allow you to select the material necessary for construction, take into account its quantity, calculate the costs of work and prepare technical documentation. Since each staircase requires a personalized approach, general construction programs are ideal for designing any type of structure.


Stair design in ArchiCAD

They do equally well, and concrete marches. For the user, the software is not simple, it requires specific knowledge and skills.

Slightly easier to use SolidWorks. The program is designed to create designs for industrial facilities. It allows you to design a 3D model of any level of complexity, issues design documentation. The software is equipped with animation, it projects the possibilities of movement, falling, and has different degrees of drawing. SolidWorks makes it easy to check the fit of stair parts.
If you are building stairs professionally, you should master the work with such tools. But for the sake of a one-time construction, it is hardly advisable to study complex engineering tools for weeks.


Stair Design in SolidWorks

Custom stair design software

Especially for calculations and modeling of private structures, tools have been created that are easy to use and at the output offer enough information for the production of work. Such programs for designing stairs in Russian are not too difficult to use. Anyone who is familiar with graphic editors can master the principles of work.

Read also

Drawings of stairs to the attic

Specialized design programs

Specialized software includes those programs that are designed specifically for the design of stairs:


The names of the various elements of the design of the stairs

StairCon

Program for the design of stairs, which allows you to quickly prepare a layout, draw up documentation to control the production of work and estimates. The finished flight of stairs can be viewed in 3D, edited at any time. To create a model, you need to set only a few parameters, the rest will be calculated automatically by the program. The tool allows you to upload the results to other programs, such as AutoCad, both in whole and in detail.

Compass Staircase

Compass Staircase or Compass is used to create detailed designs and non-standard flights of stairs with winders. It has a large library of parts, and the ability to combine them. The program allows you to prepare drawings in 1:1 scale. The speed of drawing a layout practically does not depend on its complexity.

"Stairs" for AutoCad

A specialized application for AutoCad offers 25 basic models. The collection reduces the time spent on custom projects. Contains corner models, spiral, curvilinear layouts and stairs with a straight flight.

Wagemeyer GmbH

A convenient and simple program for designing stairs, with a detailed study of the elements. Allows you to display an image for a 3D presentation. Provides a complete project cost estimate.


The software is designed for several types of stairs: steel, spiral, wooden. In addition, you can simulate options for installing railings and steps on existing structures made of any material: concrete, steel, wood, stone.
The size of the projected march is limited to three floors. When making mistakes associated with violation of building codes, the program highlights them. It is possible to print each part separately for its production.

SEMA

The program is used both for working with templates and with custom-made projects.


Optimizes the calculations of structures for lifting, span height. Calculations are made automatically on the basis of given a. Suitable for all types of stairs. The program is convenient for visualizing the layout in terms of a building project.

Of the custom products, SEMA is one of the most difficult to master. All of the above programs are well suited for those who make custom stairs, especially when using CNC machines.

Specialized and engineering software is licensed and is not distributed free of charge. The video shows the process of building a ladder in the SEMA program.

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