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The dimensions of a stair, in particular the rise height and going of the steps, should remain the same along the stairs. [14] The following stair dimensions are important: The rise height or rise of each step is measured from the top of one tread to the next. It is not the physical height of the riser; the latter excludes the thickness of the ...
A dog-leg staircase A quarter-landing, on a dog-leg staircase, is made into an architectural feature, by the use of arches, vaulting and stained glass. A dog-leg is a configuration of stairs between two floors of a building, often a domestic building, in which a flight of stairs ascends to a quarter-landing before turning at a right angle and continuing upwards. [1]
There is an allowance however for variations in the handrail size—for every 1 ⁄ 2 inch (13 mm) of additional perimeter dimension over 4 inches (102 mm), 1 ⁄ 8 inch (3.2 mm) may be subtracted from the clearance requirement.
A standard oblong shaped tread. used in a straight flight. Diminishing flier. Set into the straight section of flight before a turn, with one end narrower than the other Used to change the pitch of the handrail before a 180º turn. [2] Winder. wider at one end, used to turn the flight. Kite winder.
Built in 1899, the curved trestle has an overall length of 323 feet and rises 52 feet above the canyon floor. Vertical supports spaced 15 feet apart consist of 12" x 12" timbers. The rails (removed in 1948) and crossties were placed on 8"x16" stringers held together with three-quarter-inch bolts and cast iron spacers.
Interior of a Boeing/Stearman PT-17 showing small channel section stringers. In engineering, a longeron or stringer is a load-bearing component of a framework. The term is commonly used in connection with aircraft fuselages and automobile chassis. Longerons are used in conjunction with stringers to form structural frameworks. [1]
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