A W14x61, A992 steel, 6.5 m long fixed at both ends, is to be investigated for use as a column in a braced frame. The axial load and end moments obtained from analysis of gravity loads and wind load are given below. All bending moments are about the strong axis with single curvature forming along the column. Use ASD and conservative value of Cb. Neglect local buckling for compression. Consider secondary effects. Calculate the interaction ratio. Properties of W14x61 A - 11500 mm² bf = 254 mm d = 353 mm tf = 16.4 mm tw = 9.53 mm ry = 62.2 mm k₁ = 25.4 mm Zx 1670 x 10³ mm³ Sx 1510 x 10³ mm³ ■

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A W14x61, A992 steel, 6.5 m long fixed at both ends, is to be investigated for use as a column in a
braced frame. The axial load and end moments obtained from analysis of gravity loads and wind
load are given below. All bending moments are about the strong axis with single curvature forming
along the column. Use ASD and conservative value of Cb. Neglect local buckling for compression.
Consider secondary effects. Calculate the interaction ratio.
Properties of W14x61
A = 11500 mm²
bf = 254 mm
d = 353 mm
tf = 16.4 mm
tw = 9.53 mm
ry = 62.2 mm
k₁ = 25.4 mm
Zx = 1670 x 10³ mm³
Sx = 1510 x 10³ mm³
J = 912 x 10³ mm³
Axial Load: PDL =178 KN, PLL = 278 KN
Top Moments: MDL = 20 kN-m, MLL = 28 kN-m, MWL = 14 kN-m
Bottom Moments: MDL = 20 kN-m, MLL = 30 kN-m, MWL = 15 kN-m
Transcribed Image Text:A W14x61, A992 steel, 6.5 m long fixed at both ends, is to be investigated for use as a column in a braced frame. The axial load and end moments obtained from analysis of gravity loads and wind load are given below. All bending moments are about the strong axis with single curvature forming along the column. Use ASD and conservative value of Cb. Neglect local buckling for compression. Consider secondary effects. Calculate the interaction ratio. Properties of W14x61 A = 11500 mm² bf = 254 mm d = 353 mm tf = 16.4 mm tw = 9.53 mm ry = 62.2 mm k₁ = 25.4 mm Zx = 1670 x 10³ mm³ Sx = 1510 x 10³ mm³ J = 912 x 10³ mm³ Axial Load: PDL =178 KN, PLL = 278 KN Top Moments: MDL = 20 kN-m, MLL = 28 kN-m, MWL = 14 kN-m Bottom Moments: MDL = 20 kN-m, MLL = 30 kN-m, MWL = 15 kN-m
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