Calculate the interaction diagram for the given cases

Reference no: EM131355606

Consider a nonslender column with cross-section as in Figure 13.20 and d1 = 40 mm, As1 = 803.8 mm2 , d₂ = 225 mm, As₂ = 401.9 mm₂ , d3 = 375 mm, As₃ = 401.9 mm² , d⁴ = 40 mm, As⁴ = 803.8 mm² , h = b = 600 mm. The materials of the RC column are f ′ c = 27.5 MPa, fy = 413 MPa.

Calculate the interaction diagram for the following cases:

(1) unstrengthened member,

(2) strengthened member with n = 3 layers of carbon-epoxy FRP with properties f ∗ fu = 3, 800 MP a, ε ∗ fu = 0.0161, tf = 0.5 mm.

Reference no: EM131355606

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