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| anchor | asda |
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| alignment | center |
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$$ α = β_1c $$ |
The distance between the fiber of maximum compressive stress and the neutral axis, c, is perpendicular to the neutral axis.
The value of β1 is determined using Codes.
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The total forces Cc and Cs resulting from the stresses of concrete and reinforcement are shown below.
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| body | --uriencoded--$$ C_c = 0.85f_c%5e'(b_wα) $$ |
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From the equation of equilibrium:
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| body | --uriencoded--$$ A_sf_y = 0.85f_c%5e'(b_wα) $$ |
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Nominal flexural strength Mn:
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| body | --uriencoded--$$ M_n = 0.85f_c%5e'(b_wα)(d-\frac α 2) $$ |
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or | Mathinline |
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| body | $$ M_n = A_sf_y(d-\frac α 2) $$ |
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