4. (a) Explain material compatibility between steel and concrete for composite columns. (5 Marks) (b) Figure Q4(a) shows the cross-section profile of a concrete-encased I-section column under combined compression and bending moment about the major principal axis (y-axis). Assuming the neutral axis h is within the flange of the I-section, derive the expression for hn. (8 Marks) Z Figure Q4(a) h nc

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 12.7P: Estimate the transverse tensile strength of the concrete in Problem 12.6.
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4.
(a) Explain material compatibility between steel and concrete for composite
columns.
(5 Marks)
(b) Figure Q4(a) shows the cross-section profile of a concrete-encased I-section
column under combined compression and bending moment about the major
principal axis (y-axis). Assuming the neutral axis h is within the flange of the
I-section, derive the expression for hn.
(8 Marks)
Z
Figure Q4(a)
h
nc
Transcribed Image Text:4. (a) Explain material compatibility between steel and concrete for composite columns. (5 Marks) (b) Figure Q4(a) shows the cross-section profile of a concrete-encased I-section column under combined compression and bending moment about the major principal axis (y-axis). Assuming the neutral axis h is within the flange of the I-section, derive the expression for hn. (8 Marks) Z Figure Q4(a) h nc
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