The plan of a reinforced concrete column section, and the distribution of strains at the ultimate limit stage are shown below. The concrete is M20 grade and the steel of Fe 250 grade. Also sketched below, for convenience, are the concrete compression stress block and the design stress-

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The plan of a reinforced concrete column section,
and the distribution of strains at the ultimate limit
stage are shown below. The concrete is M20 grade
and the steel of Fe 250 grade. Also sketched
below, for convenience, are the concrete
compression stress block and the design stress-
Transcribed Image Text:The plan of a reinforced concrete column section, and the distribution of strains at the ultimate limit stage are shown below. The concrete is M20 grade and the steel of Fe 250 grade. Also sketched below, for convenience, are the concrete compression stress block and the design stress-
strain curves for Fe 250, with all notations as per
IS 456. Ignore the reduction in concrete area due
to the embedded steel.
사0.0035+
50 mm
4-200
50 mm
K-300거 수
Section
Strain Profile
个
0.416 X
0.87 f,
CuC
E, = 2 x 105 MPa
Cuc = 0.362 fok boxU
(a) Determine the ultimate axial compression
capacity P, (in kN units)
(b) Determine the corresponding eccentricity e in
mm units of loading, with respect to thne
centroidal axis at the ultimate limit state.
+ ww 00
Transcribed Image Text:strain curves for Fe 250, with all notations as per IS 456. Ignore the reduction in concrete area due to the embedded steel. 사0.0035+ 50 mm 4-200 50 mm K-300거 수 Section Strain Profile 个 0.416 X 0.87 f, CuC E, = 2 x 105 MPa Cuc = 0.362 fok boxU (a) Determine the ultimate axial compression capacity P, (in kN units) (b) Determine the corresponding eccentricity e in mm units of loading, with respect to thne centroidal axis at the ultimate limit state. + ww 00
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