Situation 4: A member of the top chord of a truss of an industrial building is 10 m long has compressive stress of 3500 kN and is made up of two C460 x 86 placed 275 mm back to back with flanges outstanding. The member has 500 mm x 12 mm cover plate at the top and lacing at the bottom. Use NSCP 2015 Specification and A50 steel, Fy = 345 MPa. Neglect the moment and deflection due to its weight. K = 0.8 for both axis. Calculate for the ulcompressive capacity of the member 500 mm Properties of C460 x 86 A = 10900 mm² Ix = 279 x 106 mm* ly = 7.7 x 106 mm* d = 450 mm x = 22.4 mm 450 mm 12 mm

Situation 4: A member of the top chord of a truss of an industrial building is 10 m long has compressive stress of 3500 kN and is made up of two C460 x 86 placed 275 mm back to back with flanges outstanding. The member has 500 mm x 12 mm cover plate at the top and lacing at the bottom. Use NSCP 2015 Specification and A50 steel, Fy = 345 MPa. Neglect the moment and deflection due to its weight. K = 0.8 for both axis. Calculate for the ulcompressive capacity of the member 500 mm Properties of C460 x 86 A = 10900 mm² Ix = 279 x 106 mm* ly = 7.7 x 106 mm* d = 450 mm x = 22.4 mm 450 mm 12 mm

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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Situation 4: A member of the top chord of a truss of an industrial building is 10 m long has compressive stress of 3500 kN and
is made up of two C460 x 86 placed 275 mm back to back with flanges outstanding. The member has 500 mm x 12 mm cover
plate at the top and lacing at the bottom. Use NSCP 2015 Specification and A50 steel, Fy = 345 MPa. Neglect the moment and
deflection due to its weight. K = 0.8 for both axis. Calculate for the ulcompressive capacity of the member
500 mm
I
275 mm
Properties of C460 x 86
A = 10900 mm²
Ix279 x 106 mm4
ly= 7.7 x 10 mm¹
d = 450 mm
x = 22.4 mm
450 mm
I 12 mm

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Step 1: Introducing given data

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Step 2: Calculate centroid

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Step 3: Calculate moment of inertia

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Step 4: Calculate max slenderness ratio

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Step 5: Calculate for the ultimate compressive capacity of the member

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