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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 ...
Download as PDF; Printable version; ... The structure has a butterfly layout and a central dome. ... with a large spiral staircase leading to the upper floor.
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.
A staircase or stairway is one or more flights of stairs leading from one floor to another, and includes landings, newel posts, handrails, balustrades, and additional parts. [4] In buildings, stairs is a term applied to a complete flight of steps between two floors. A stair flight is a run of stairs or steps
Another was Samuel Skidmore's Tudor Homes of England, which introduced Tudor and Norman elements, such as turrets, stained-glass windows, and spiral staircases into American architecture. Palliser, Palliser & Company published nine pattern books, the first of which sold for $.25 and achieved wide distribution, during the period from 1876 to 1896.
The spiral staircase is a rectangular tube of 18 cranked facets in aluminium panels punctuated by small porthole windows. Two diagonally trussed steel walkways provide stability and access to the concrete shaft. The fire stair extends from the roof of the base building to a balcony – with an external platform – below the amenities/services ...
A stairwell or stair room is a room in a building where a stair is located, and is used to connect walkways between floors so that one can move in height. [1] Collectively, a set of stairs and a stairwell is referred to as a staircase or stairway .
An imperial staircase (sometimes erroneously known as a "double staircase") is the name given to a staircase with divided flights. Usually the first flight rises to a half-landing and then divides into two symmetrical flights both rising with an equal number of steps and turns to the next floor .