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A W 12 x 65 steel section is used as a

A W 12 x 65 steel section is used as a

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please answer nos. 34 and 35 A=11229 rx=132 ry=73 Fy=382
A W 12 x 65 steel section is used as a compression member. It is 8 m long, pinned connected at each end and has an additional 31) Determine the critical slenderness ratio of x-axis. 32) Determine the critical slenderness ratio of y-axis. support in the weak direction at a point 3.6 m. from the top. Assume Kx = Ky = 1.0. 33) Determine the nominal compressive strength of the column. (kN) 34) Determine the design strength of the column (LRFD). (kN) Prop. of W 12 x 65 35) Determine the allowable strength of the column (ASD). (kN) A = 11220 + A mm? d = 307.85 mm br = 304.80 mm 3.6 t = 15.37 mm x= 130 + B mm ry = 65 +C mm Zz = 1586 x 10° mm³ Z, = 723 x 10° mm³ S. = 1440 x 10° mm³ S, = 477 x 10° mm m. 4.4 m. Fy: 350 + Y MPa E = 200000 MPa U = 1.2 DL + 1.6 LL Use LRFD.
Transcribed Image Text:A W 12 x 65 steel section is used as a compression member. It is 8 m long, pinned connected at each end and has an additional 31) Determine the critical slenderness ratio of x-axis. 32) Determine the critical slenderness ratio of y-axis. support in the weak direction at a point 3.6 m. from the top. Assume Kx = Ky = 1.0. 33) Determine the nominal compressive strength of the column. (kN) 34) Determine the design strength of the column (LRFD). (kN) Prop. of W 12 x 65 35) Determine the allowable strength of the column (ASD). (kN) A = 11220 + A mm? d = 307.85 mm br = 304.80 mm 3.6 t = 15.37 mm x= 130 + B mm ry = 65 +C mm Zz = 1586 x 10° mm³ Z, = 723 x 10° mm³ S. = 1440 x 10° mm³ S, = 477 x 10° mm m. 4.4 m. Fy: 350 + Y MPa E = 200000 MPa U = 1.2 DL + 1.6 LL Use LRFD.
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