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 2-11Modulus of elasticity, E.Rated strength, feGPapsipsiMPa18.62.7 × 10613.8200022.73.3x106300020.726.23.8x106400027.64.3 x 10629.6500034.560004.7 x 10641.432.4700048.35.1 x 10635.2 SteelConcretet9-FIGURE P3-67Post for Problems 3-67 through 3-69.

Given data as per question b = 1500 mm t = 10mm axial load = 900 kN f'c = 6000 psi = 41.37 N/mm2…

Answered: Modulus of elasticity for concrete.…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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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

Steel
Concrete
t
9-
FIGURE P3-67
Post for Problems 3-67 through 3-69.

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