Quiz_11.10

Lb 0 4 lb joistspacing

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Unformatted text preview: ‐torsional buckling is: 1. Lb = Lp 2. Lb = Lr 3. Lb = 0 4. Lb = joist‐spacing 2. The equation used to calculate the flexure strength of a typical joist, φ Mn is: 1. φ Mn = φ Mp 2. φ Mn = φ Mp – BF (Lb – Lp) 3. φ Mn = φ Fcr Ag 4. φ Mn = 0.90 Ag Fy 3. The unbraced length of the girder compression flange, Lb, for lateral‐torsional buckling is: 1. Lb = Lp 2. Lb = Lr 3. Lb = 0 4. Lb = joist‐spacing 4. The equation used to calculate the flexure strength of a typical girder, φ Mn is: 1....
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