Staire case

Staire case

U Shape : U Shaped stairs are basically 2 parallel flights of straight stairs joined by by a landing that requires 180 degree turn in the walk line. If a third flight is inserted into the middle of the stairs, it would become a double L stair (or quarter landing).

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Staire case

Straight Stairs : If two flights of stairs going in one direction are supplemented by a landing, the minimum depth of the landing shall amount to the sum of the step length and the depth of one tread in plan. If depth of the landing shall be more than the value received, the increase shall be a multiple of the minimal depth value. The landing divides the staircase into two, thereby reducing quantity of treads in one flight, and makes walking more comfortable. But the usage of staircases with straight flights and intermediate landing is limited in view of inefficient usage of space needed for the stair flight construction.

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Staire case

Spiral Stairs : Stairs of this type have stair flight resembling a circle or a part of it in its shape. Here just like in Winder Stairs and Arched Stairs the treads are wedge-shaped, but all of them (except for the last one) are uniform-sized. Spiral stairs have a central vertical post constituting the backup abutment for all treads in the flight. Due to their spiral shape such staircases look very effective. Such staircases are not convenient for frequent use in view of fast climbing up on a confined area.

 

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Staire case

Straight stairs : Despite its simplicity, it is convenient and functional. It is easy to go up and down it, as also to carry things on the next floor. But the presence of one long flight makes this type of staircases limited in height. As you already know, the amount of treads in one straight flight shall not exceed 16. The usage of staircases with straight flight is feasible only in those cases when we need to join two levels connected by imaginary straight line.

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