14 in. 20 in. 6 of #8 24 in. 0 00 00 L D, D₂ = L D self-weight -30 ft·

Determine the intensity of the external dead load D? the reinforced concrete beam shown in the figure can
resist. Consider the known self-weight of the beam as part of the dead load. Density of the reinforced con-
cret
d = 120 lbf/in3. Assume that the service dead load D? (not self-weight) and live load L are equal (D? =
L); f ’c = 5,000 lbf/in2, fy = 50,000 lbf/in2. Apply Load Combo 2 only (1.2D + 1.6L). Exploit the instructor
spreadsheet calculator posted in D2L to speed up the numerical calculations.