When designing the house, we immediately decided that our staircase should occupy no more than one square meter on the floor. At the same time, it should be comfortable, which means quite long. How to do it? We came up with. Our staircase "hangs in the air" and does not have any intermediate supports or columns.
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The walls of the house are cast from monolithic concrete. When they almost reached the two-meter mark, I erected the formwork and, together with the wall, filled the turntable. Which became part of a monolithic wall. A sort of balcony.
Since, in the place where the platform is attached, a "dumping" force will act on the wall from the side of the stairs, it was necessary to additionally strengthen the angle with vertical reinforcement. Preventing the walls in the corner from "protruding" outward.
On the side of the site, to which the first span was supposed to adjoin, I made outlets of reinforcement in advance, to which I subsequently "poured" the steps.
After the formwork was removed, the staircase appeared in all its glory. It turned out quite solidly. I jumped up the steps for a long time trying to feel the vibration. Found nothing. Concrete is concrete.
Half of the job was done, the first flight is ready. The staircase occupies exactly one square meter on the floor.
But this was only the first flight. To continue the construction, I built a temporary second from the boards, on which I ran for several years. Many tons of building materials climbed with me along this temporary hut.
I am often asked the question - Why didn't you start making the entire staircase out of concrete?
It's simple. If the first half rests on a monolithic platform, to which it is reliably "laced" with reinforcement, then the second span will rest on a concrete slab. To which the monolith cannot be "sewn". The upper edge would have to be supported by a narrow shelf that runs along the edge of the overlap. And which will almost certainly break off, it should be properly loaded.
Therefore, the second span will be metal. I managed to appreciate the rigidity of the wooden structure, which perceptibly "walks" under my feet. I would like the same feeling of "reinforced concrete".
The Chief Architect stipulated that the entire staircase should look the same. Both flights. And therefore, it is planned to sheathe the metal frame with plasterboard. As a result, it will look exactly the same as the first one. Unshakably massive.
The steps will be oak, and along the edge there will be a glass railing with an oak handrail. It should be monumental, but not hard.
There was little left to do. Make a metal frame and install. For now, I'll put in temporary steps from the boards. I will change to permanent ones together with the laying of the floors on the second floor.
I don’t know why, but in our house I am most pleased with the stairs. Will our idea look good to you? Do you think it should turn out beautifully?
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