Spiral Staircase Types

There are four types of spiral staircases fig.

Spiral staircase types. A circular staircase is more like a traditional staircase than a spiral one think of the kind you might find in a medieval castle. A hyperbolic spiral is some times called reciproke spiral because it is the image of an archimedian spiral with an circle inversion see below. The straight staircase is the simplest staircase design. In this types of stairs all the steps are arranged continuously along in one direction.

One flight may be split into one or more than one flight by interposing a landing. A stairway staircase stairwell flight of stairs or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances called stepsstairs may be straight round or may consist of two or more straight pieces connected at angles. Spiral stairs are more difficult to navigate than other types of stairs. Types of staircases 1.

The types and sizes of spiral staircases. However theyre pretty plain and dont offer a grand design like a winding or bifurcated staircase. This stair can be used where narrow and long space is available for a staircase such as entrance porch. It is for this reason that codes do not allow them to be used as the primary access to a full second floor of a home.

A hyperbolic spiral apears as image of a helix with a special central projection see diagram. There are two types. The first type is a spiral staircase consisting of simple wedge shaped steps which rely for its wide end on the surrounding walls and the narrow end on the middle bearing pillar. Spiral stair quarter turn stair bifurcated stair.

Theyre the easiest type of stairs to ascend and descend as well as build. Special types of stairs include escalators and ladderssome alternatives to stairs are elevators also.