Encyclopedia

circular stair

circular stair

A stair having a cylindrical shape.
See also: Stair
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

circular stair

Same as spiral stair; a stair having a cylindrical staircase.

spiral stair, caracole, circular stair, cockle stair, corkscrew stair, spiral staircase

spiral stair
A flight of stairs, circular in plan, whose treads wind around a central newel. Also called a helical stair, solid newel stair.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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References in periodicals archive
The $264,032 observation structure consists of a rectangular lower platform accessed by a ramp and an upper circular platform connected by a circular stair. Integral Construction Inc., of Country Club Hills, was the lowest of six bidders -- less than half the amount of the highest bid -- to fabricate and install the platform.
Barnes and senior associate Tim Clites envisioned a sate and efficient circular stair "squeezed" into a rectangular box.
Entered through a dramatic circular stair tower, it has numerous desirable features, including a first-floor owner's suite, a two-story living room, an elevator, and flex space that can be used for a number of purposes.
The six-storey structure has a circular stair tower, octagonal rooms, a roof terrace and magnificent views of the Lickey Hills, Barr Beacon and Birmingham.
The cathedral of Quito, capital city of Ecuador, stands at the head of an incline articulated by a circular stair, in which a lower, convex hemicycle gives access to a concave hemicycle above.
Photo: First phase: new circular stair links patio with old deck through opening cut in railing
* With Mastercam, Rock will be moving into a new niche with his business by building circular stair kits and marketing them across the country.
It is reached from the upper level by a curved concrete bridge supported on pylons, and inside is a spiral ramp that hugs the circumference, while a circular stair runs down the central void.
The underside of a circular stair becomes room sculpture in this 3,290-square-foot custom spec house near Houston.
While I was trying to get a seat in GMC (Grant Medical College) in June 1946, I visited the place daily and climbed the circular stairs in the administrative building to see the list of successful candidates on the first floor, outside the principal's office.
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