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AW 14 x 142 is used as a column having a length of 9 m. long. It is hinged upper end and fixed at the lower end but there is a lateral bracing perpendicu the minor axis of the W section at a point 5.4 m. above the bottom support. assumed to be pinned connected at the bracing point. Using A 36 steel F, = 248 and the NSCP Specifications. Es= 200000 MPa. D Compute the slenderness ratio. Compute the allowable axial stress. Compute the capacity of the column section. Properties of W 14 x 142 A = 26967.69 mm? %3D

AW 14 x 142 is used as a column having a length of 9 m. long. It is hinged upper end and fixed at the lower end but there is a lateral bracing perpendicu the minor axis of the W section at a point 5.4 m. above the bottom support. assumed to be pinned connected at the bracing point. Using A 36 steel F, = 248 and the NSCP Specifications. Es= 200000 MPa. D Compute the slenderness ratio. Compute the allowable axial stress. Compute the capacity of the column section. Properties of W 14 x 142 A = 26967.69 mm? %3D

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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A W 14 x 142 is used as a column having a length of 9 m. long. It is hinged at the upper end and fixed at the lower end but there is a lateral bracing perpendicular to ´ the minor axis of the W section at a point 5.4 m. above the bottom support. It is I assumed to be pinned connected at the bracing point. Using A 36 steel F, = 248 MPa and the NSCP Specifications. Es = 200000 MPa. O Compute the slenderness ratio. O Compute the allowable axial stress. O Compute the capacity of the column section. Properties of W 14 x 142 A = 26967.69 mm? d = 374.65 mm bf= 393.70 mm tf= 27.00 mm tw = 17.27 mm L = 695.11 x 106 mm4 ly = 274.71 x 106 mm4 Sz = 3719.86 x 10³ mm³ Sy = 1396.18 x 103 mm3 Iy = 160.53 mm Ty = 100.84 mm Assume K,= 0.80 for 9 m. length Ky = 1.9 for the 3.6 m. length Ky = 0.80 for the 5.4 m. length hinged 3.6m Lateral support W 14 x 142 sateral support (assume to be pinned connected) 5.4m fixed
Transcribed Image Text:A W 14 x 142 is used as a column having a length of 9 m. long. It is hinged at the upper end and fixed at the lower end but there is a lateral bracing perpendicular to ´ the minor axis of the W section at a point 5.4 m. above the bottom support. It is I assumed to be pinned connected at the bracing point. Using A 36 steel F, = 248 MPa and the NSCP Specifications. Es = 200000 MPa. O Compute the slenderness ratio. O Compute the allowable axial stress. O Compute the capacity of the column section. Properties of W 14 x 142 A = 26967.69 mm? d = 374.65 mm bf= 393.70 mm tf= 27.00 mm tw = 17.27 mm L = 695.11 x 106 mm4 ly = 274.71 x 106 mm4 Sz = 3719.86 x 10³ mm³ Sy = 1396.18 x 103 mm3 Iy = 160.53 mm Ty = 100.84 mm Assume K,= 0.80 for 9 m. length Ky = 1.9 for the 3.6 m. length Ky = 0.80 for the 5.4 m. length hinged 3.6m Lateral support W 14 x 142 sateral support (assume to be pinned connected) 5.4m fixed
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