1- Daw the strain and stress diagrams for untracked plain concrete shown below. Developed the tension and compression expressions? Materials are given as: fc=X1 MPa, fr=0.07X1 MPa X1=72.1 X2=620.4 X3=144.2 X3 mm 1.75 X; mm

Structural Analysis
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Chapter2: Loads On Structures
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1- Daw the strain and stress diagrams for untracked plain concrete shown below. Developed the
tension and compression expressions? Materials are given as:
f'c=X1 MPa, fr=0.07X1 MPa
X1=72.1
X2=620.4
X3=144.2
X3 mm
1- Consider a rectangular column subjected to axial compression. The material stress-strain
relationships have been idealized as shown below.
a) What axial load will cause concrete to be at its maximum working stress?
b) find the axial load P which produces & = & = 0.0012
1.75 X3
Transcribed Image Text:1- Daw the strain and stress diagrams for untracked plain concrete shown below. Developed the tension and compression expressions? Materials are given as: f'c=X1 MPa, fr=0.07X1 MPa X1=72.1 X2=620.4 X3=144.2 X3 mm 1- Consider a rectangular column subjected to axial compression. The material stress-strain relationships have been idealized as shown below. a) What axial load will cause concrete to be at its maximum working stress? b) find the axial load P which produces & = & = 0.0012 1.75 X3
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