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The spiral stair is a type of stairway which, due to its complex helical structure, has been introduced relatively late into architecture. Although the oldest example dates back to the 5th century BC, [ 1 ] it was only in the wake of the influential design of the Trajan's Column that this space-saving new type permanently caught hold in ancient ...
The concept of stairs is believed to be 8000 years old, and are one of the oldest structures in architectural history. [2] The oldest example of spiral stairs dates back to the 400s BC. [3] Medieval architecture saw experimentation with many different shapes, and the Renaissance even more so with varied designs. [3]
The concept of stairs is believed to be 8000 years old, and are one of the oldest buildings in architectural history. [4] The oldest example of spiral stairs dates back to the 400s BC . [ 5 ] Medieval architecture saw experimentation with many different shapes, and the Renaissance even more so with varied designs.
The staircase lacks the newel or central pole usually used to support and stabilize a spiral staircase, and therefore the means of supporting the weight is not obvious. However, the staircase is supported by its stringers just like a conventional (straight) staircase, although in this case each stringer is twisted into a helix. [11]
The modern 'Bramante' spiral stairs of the Vatican Museums, designed by Giuseppe Momo in 1932 The modern double helix staircase, also in the Pio-Clementine Museum, and commonly referred to as the "Bramante Staircase", was designed by Giuseppe Momo, sculpted by Antonio Maraini and realized by the Ferdinando Marinelli Artistic Foundry in 1932 and was inspired by the original Bramante Staircase.
View of the famous staircase. The Palazzo Contarini del Bovolo (also called the Palazzo Contarini Minelli dal Bovolo) is a small palazzo in Venice, Italy, best known for its external multi-arch spiral staircase known as the Scala Contarini del Bovolo (literally, "of the snail").
Of the two wells, the larger one contains a 27-metre spiral staircase with 23 small niches on the side. The nine flights of stairs could be linked to the Knights Templar, which had nine founders. [3] They might also symbolize the 9 levels of Hell from Dantes’ Inferno. [4] At the bottom of the well is an inland stone compass with the Templar ...
Inside the shaft, a spiral staircase of 185 steps provides access to a viewing deck at the top. The capital block of Trajan's Column weighs 53.3 tons, and had to be lifted to a height of about 34 metres (112 feet). [3] Ancient coins indicate preliminary plans to top the column with a statue of a bird, probably an eagle. [4]