(b) A steel strut of height 2 m, and cross-section 50 mm x 24 mm, is subject to an axial compressive load. The strut is supported at both ends as shown in Figure 2. The pin allows rotation about the y-y axis only. The steel used in the manufacture of the strut has an elastic modulus of 205 GPa and a yield stress of 240 MPa, LOAD 2m A A L. 50 mm wa L. 24 mm ENLARGED SECTION A-A
(b) A steel strut of height 2 m, and cross-section 50 mm x 24 mm, is subject to an axial compressive load. The strut is supported at both ends as shown in Figure 2. The pin allows rotation about the y-y axis only. The steel used in the manufacture of the strut has an elastic modulus of 205 GPa and a yield stress of 240 MPa, LOAD 2m A A L. 50 mm wa L. 24 mm ENLARGED SECTION A-A
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:(b)
(1)
(ii)
(iii)
A steel strut of height 2 m, and cross-section 50 mm x 24 mm, is subject
to an axial compressive load. The strut is supported at both ends as
shown in Figure 2. The pin allows rotation about the y-y axis only.
The steel used in the manufacture of the strut has an elastic modulus of
205 GPa and a yield stress of 240 MPa.
2m
LOAD
wwyu
T
A
A
50 mm
L.
24 mm
ENLARGED SECTION A-A
LOAD
Figure 2: Support conditions and cross-section of steel strut
Describe the strut's end fixing conditions about the x-x and y-y axes.
Calculate the strut's buckling load according to Euler Formula.
Sketch the relationship of the slenderness ratio and buckling stress for the
strut about the x-x axis. Critically comment on the suitability of the Euler
equation for estimating the maximum compressive load the strut can
support.
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