Modulus of elasticity for concrete. TABLE 2-11 Modulus of elasticity, E. Rated strength, fe GPa psi psi MPa 18.6 2.7 × 106 13.8 2000 22.7 3.3x106 3000 20.7 26.2 3.8x106 4000 27.6 4.3 x 106 29.6 5000 34.5 6000 4.7 x 106 41.4 32.4 7000 48.3 5.1 x 106 35.2 Steel Concrete t 9- FIGURE P3-67 Post for Problems 3-67 through 3-69.

Elements Of Electromagnetics
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3-67: A short post is made by welding steel plates into a square. as shown in Figure P3-67, and then filling the area inside with concrete. Compute the stress in the steel and in the concrete if b = 1500 mm and t = 10mm, and the post carries an axial load of 900 kN. See Section 2-10 for concrete properties. Use f'c = 6000 psi.

Modulus of elasticity for concrete.
TABLE 2-11
Modulus of elasticity, E.
Rated strength, fe
GPa
psi
psi
MPa
18.6
2.7 × 106
13.8
2000
22.7
3.3x106
3000
20.7
26.2
3.8x106
4000
27.6
4.3 x 106
29.6
5000
34.5
6000
4.7 x 106
41.4
32.4
7000
48.3
5.1 x 106
35.2
Transcribed Image Text:Modulus of elasticity for concrete. TABLE 2-11 Modulus of elasticity, E. Rated strength, fe GPa psi psi MPa 18.6 2.7 × 106 13.8 2000 22.7 3.3x106 3000 20.7 26.2 3.8x106 4000 27.6 4.3 x 106 29.6 5000 34.5 6000 4.7 x 106 41.4 32.4 7000 48.3 5.1 x 106 35.2
Steel
Concrete
t
9-
FIGURE P3-67
Post for Problems 3-67 through 3-69.
Transcribed Image Text:Steel Concrete t 9- FIGURE P3-67 Post for Problems 3-67 through 3-69.
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