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Pipe & Open-Web Joists Calculator
Pipe Diameter (inches)
Selected: 1½ in
Joist Spacing L (ft)
Joist Depth D (in)
Chord Width W (in)
Chord Height h (in)
Total Length ℓ (ft)
Section Preview Using the Pipe Rise Concept
Maximum Length
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Pipe Rise Concept
Maximum Length
ft
Simplified / Empirical
Maximum Length
ft
Ed Miller / AFSA