Question 2: An unsymmetrical flexural member consists of a 3 x 22 top flange, a 3 × 16 bottom flange, and a ½ × 66 web. a. Determine the distance y from the top of the shape to the horizontal plastic neu- tral axis. b. If A572 Grade 50 steel is used, what is the plastic moment M, for the horizontal plastic neutral axis? c. Compute the plastic section modulus Z with respect to the minor principal axis.
Question 2: An unsymmetrical flexural member consists of a 3 x 22 top flange, a 3 × 16 bottom flange, and a ½ × 66 web. a. Determine the distance y from the top of the shape to the horizontal plastic neu- tral axis. b. If A572 Grade 50 steel is used, what is the plastic moment M, for the horizontal plastic neutral axis? c. Compute the plastic section modulus Z with respect to the minor principal axis.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question 2:
An unsymmetrical flexural member consists of a 3 × 22 top flange, a 3 × 16 bottom
flange, and a ½ × 66 web.
a. Determine the distance ỹ from the top of the shape to the horizontal plastic neu-
tral axis.
b. If A572 Grade 50 steel is used, what is the plastic moment M, for the horizontal
plastic neutral axis?
c. Compute the plastic section modulus Z with respect to the minor principal axis.
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