1. An unsymmetrical flexural member consists of a 70 × 600 top flange, a 70 x 400 bottom flange, and a 12 × 180 web. a, Determine the Section Modulus. b. Determine the distance from the bottom of the shape to the horizontal plastic neutral axis. c. If A572 Grade 50 steel is used, what is the plastic moment MPy for the horizontal plastic neutral axis?
1. An unsymmetrical flexural member consists of a 70 × 600 top flange, a 70 x 400 bottom flange, and a 12 × 180 web. a, Determine the Section Modulus. b. Determine the distance from the bottom of the shape to the horizontal plastic neutral axis. c. If A572 Grade 50 steel is used, what is the plastic moment MPy for the horizontal plastic neutral axis?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. An unsymmetrical flexural member consists of a 70 × 600 top
flange, a 70 x 400 bottom flange, and a 12 × 180 web.
a, Determine the Section Modulus.
b. Determine the distance from the bottom of the shape to the horizontal
plastic neutral axis.
c. If A572 Grade 50 steel is used, what is the plastic moment MPy for
the horizontal plastic neutral axis?
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Step 1: Mention the given Data
VIEWStep 2: Calculation of Location of elastic neutral axis
VIEWStep 3: Calculation of Section modulus
VIEWStep 4: Calculation of Location of plastic neutral axis
VIEWStep 5: Calculation of Distance between centroid of half areas from plastic neutral axis
VIEWStep 6: Calculation of Plastic moment
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