A 4-ft concrete post is reinforced with four steel bars,
Chapter 2, Problem 2.130(choose chapter or problem)
A 4-ft concrete post is reinforced with four steel bars, each with a \(\frac{3}{4}-\mathrm{in}\). diameter. Knowing that \(E_{s}=29 \times 10^{6} \mathrm{psi}\) and \(E_{c}=3.6 \times 10^{6} \mathrm{psi}\), determine the normal stresses in the steel and in the concrete when a 150-kip axial centric force P is applied to the post.
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