Determine the following: a) Factored axial load capacity (KN) and factored flexural capacity (KN-m) when concrete fails at a strain of ɛc = 0.003 and steel fails at a strain of ɛs = fy/Es. The displaced concrete shall not be neglected. b) Ultimate moment capacity of the column at infinitely large eccentricity, i.e., the column acts as a beam. Ignore the effect of the displaced concrete. The column drawn in Figure 1 is reinforced with 8 x ¢28-mm bars distributed around its perimeter. Material strengths are fc'=28 MP and fy=415 MPa. The total bar covering is 70 mm. If subjected to eccentric loads, the column will bend about the stronger axis of the section.
Determine the following: a) Factored axial load capacity (KN) and factored flexural capacity (KN-m) when concrete fails at a strain of ɛc = 0.003 and steel fails at a strain of ɛs = fy/Es. The displaced concrete shall not be neglected. b) Ultimate moment capacity of the column at infinitely large eccentricity, i.e., the column acts as a beam. Ignore the effect of the displaced concrete. The column drawn in Figure 1 is reinforced with 8 x ¢28-mm bars distributed around its perimeter. Material strengths are fc'=28 MP and fy=415 MPa. The total bar covering is 70 mm. If subjected to eccentric loads, the column will bend about the stronger axis of the section.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:600 mm
Figure 1
Determine the following:
a) Factored axial load capacity (KN) and factored flexural capacity (KN-m) when concrete fails
at a strain of ɛc = 0.003 and steel fails at a strain of ɛs = fy/Es. The displaced concrete shall not
be neglected.
b) Ultimate moment capacity of the column at infinitely large eccentricity, i.e., the column acts as
a beam. Ignore the effect of the displaced concrete.
The column drawn in Figure 1 is reinforced with 8 x ¢28-mm bars distributed around its
perimeter. Material strengths are fc'=28 MP and fy=415 MPa. The total bar covering is 70 mm. If
subjected to eccentric loads, the column will bend about the stronger axis of the section.
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