QQuestionArchitecture
QuestionArchitecture
What is the typical length of the stringer for stairs?
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Answer
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Step 1To provide a solution to this problem, we need to understand the definition of a stringer in stair construction.
A stringer is a structural member that supports the treads and risers in a staircase. The stringer is typically a beam cut to the shape of the stairs, which is usually a stepped pattern. The typical length of the stringer depends on the specific stair design, including the number of steps, the height of the staircase, and the desired depth of the treads. To calculate the stringer length, we can use the following steps:
Step 2: Determine the height of the staircase (h) and the desired height of each riser (r).
n = frac{h}{r} = frac{1.4 mathrm{~m}}{0.15 mathrm{~m}} = 9.333
The height of the staircase is typically given, and the height of each riser is often specified by building codes. For example, if the total height of the staircase is 1.4 meters (h = 1.4 m) and the desired riser height is 0.15 meters (r = 0.15 m), then the number of risers (n) can be calculated as: Since there cannot be a fraction of a riser, we round up to the nearest whole number: n = 10 risers.
Final Answer
The typical length of the stringer for stairs depends on the specific stair design. For a staircase with a height of 1.4 m, a riser height of 0.15 m, and a tread depth of 0.28 m, the stringer length would be approximately 3.01 m.
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